Microchannel heat exchanger design software

Kaltra launches next-gen MCHEdesign with full integration into MCHEselect — instant simulation & seamless microchannel coil workflow

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Kaltra is proud to announce the release of the next-generation MCHEdesign, now fully integrated with its online coil selection and simulation platform MCHEselect. This major update delivers instant creation of microchannel heat exchanger (MCHE) coil designs, on-the-fly performance simulation — and the ability for users to carry their designs directly into MCHEselect for further simulation under varying conditions.

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Reversible microchannel coil for heat pump applications

Kaltra unveils next-generation microchannel evaporator coils – engineered for reversible operation and peak efficiency

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Uniform refrigerant distribution and effective condensate drainage have long been among the main engineering challenges in microchannel evaporator design. While Kaltra’s previous coil generations successfully solved these aspects individually, certain demanding conditions — such as low-load operation, frosting, or use in reversible heat-pump systems — continued to push design limits.

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Microchannel heat exchanger design software

Kaltra releases MCHEdesign – intelligent software support for microchannel heat exchanger design

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Kaltra today announced the official release of MCHEdesign, an advanced engineering tool developed to assist in the design of microchannel heat exchangers. The new software introduces AI Mode, a powerful assistant that provides real-time recommendations, and Expert Mode, which offers skilled users full design freedom within the scope of Kaltra’s manufacturing capabilities.

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Microchannel coil manufacturing plant

Kaltra reports 250% year-on-year growth in microchannel coil sales for data center applications

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Kaltra, a leading provider of microchannel heat exchanger technologies, today announced a remarkable 250% year-on-year growth in sales of its microchannel fluid coils for data center cooling applications.

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MCHE helium leak test station

Kaltra’s second factory reaches nominal capacity of 800,000 microchannel heat exchangers annually

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Kaltra announces that its second microchannel heat exchanger manufacturing facility, opened earlier this year, has now reached its nominal capacity of 800,000 units per year. This capacity adds to the 3 million units per year nominal output of Kaltra’s main factory, further strengthening the company’s ability to respond to rising global demand.

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Microchannel coil selection software AI mode

Kaltra announces AI-powered design mode for its MCHE selection software

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Kaltra is pleased to announce a groundbreaking development in its microchannel coil selection software: the integration of an AI-powered design mode, a feature set to launch by the end of 2025.

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Kaltra manufacturing plant

Precision-engineered MCHEs through smart component selection

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In today’s competitive HVAC and refrigeration market, system designers are increasingly challenged to balance performance, cost, and sustainability. At Kaltra, we recognize that one-size-fits-all solutions simply don’t work—especially when it comes to microchannel heat exchangers (MCHEs). That’s why we’ve invested heavily in developing a wide nomenclature of parts for our MCHEs, offering unmatched flexibility, customization, and value to our customers.

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Automatic core builder

Kaltra accelerates factory automation with new core builders and CAB furnace expansion

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Kaltra has taken another major step in modernizing its manufacturing operations with the deployment of fully automatic core builders for microchannel heat exchanger production. These next-generation systems operate in a programmable automatic mode, enabling high-precision coil assembly, improved build consistency, and significantly increased output.

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Financial report

Strong first quarter performance driven by surge in microchannel heat exchanger sales

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Kaltra reports a robust start to 2025, with a notable increase in both revenue and production volumes in the first quarter. The company attributes this growth primarily to a significant uptick in global demand for its microchannel heat exchanger products, particularly in the HVAC and industrial refrigeration sectors.

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MCHE continuous CAB furnace

Kaltra significantly lifted its production capacity in 2025

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In response to rapidly growing demand for microchannel coils, Kaltra has expanded its production capacity to 3,000,000 units annually. With over 800,000 heat exchangers manufactured in 2024 alone, this significant capacity increase marks a major milestone in the company’s production capabilities.

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Microchannel tube with variable port size

Kaltra introduces microchannel coils with axially-graded tube port sizes

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Kaltra announces new advancements in microchannel coil technology with the introduction of heat exchangers featuring tubes with axially-graded port sizes. These innovative tubes incorporate ports with progressively increasing/decreasing hydraulic diameters along the direction of airflow.

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MCHEselect online selection software

Kaltra releases MCHEselect: online selection software for microchannel heat exchangers

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With the introduction of its online selection software, MCHEselect, Kaltra enhances customer support by offering comprehensive solutions for microchannel heat exchangers – from performance simulations and product selection to manufacturing and deployment.

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Kaltra Australia

Kaltra expands its presence in Australia with MCHE products

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The Australian microchannel coil market expands rapidly as an increasing number of HVAC manufacturers and service providers integrate MCHE technology into cutting-edge equipment and innovative solutions. With this growing demand, Kaltra is strategically positioned to capture a significant share of the local MCHE market in 2025-2027.

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MCHE manufacturing plant

Kaltra expands manufacturing facilities for microchannel heat exchangers

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Kaltra has announced the expansion of its manufacturing facilities to meet rapidly growing global demand for its microchannel heat exchanger (MCHE) products. This strategic move aims to enhance production capacity, optimize lead times, and support innovation in heat exchanger solutions.

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Financial performance

Kaltra continues strong momentum in Q3 2024

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Kaltra has recorded 12.5% growth in sales, with its core operating income up by as much as 24.0% in Q3 2024, probably underpinned by its continuing expansion in the US microchannel coil market, which accounted for 80% of growth this quarter. This success underlines the strong positioning and strategic focus of Kaltra in high-demand sectors and indicates that it is well-placed to make the most of market opportunities.

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MCHE selection tool

Kaltra announces the launching of an updated online MCHE selection tool

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As part of its ongoing commitment to enhancing engineering services and providing innovative solutions, Kaltra is excited to announce an upcoming update to its performance simulation tool for microchannel heat exchangers, MCHEselect. This updated version will be made available online, significantly improving accessibility and usability for engineers and customers alike.

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Financial report

Growth through manufacturing efficiency

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Kaltra delivered remarkable Q1 and Q2 performance and is expected to continue growing through investments in R&D and manufacturing processes.

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Air-cooled screw chiller

Kaltra expands its presence in South and Eastern Africa

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In the light of growing South and Eastern African sales, Kaltra strengthened its regional presence in cooperation with MTCA – one of the regional leaders headquartered in Port Louis, Mauritius. MTCA is well-experienced with installing, commissioning, and servicing Kaltra chillers and has a strong background in the maintenance of chillers of other brands, including replacing microchannel condenser coils.

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MCHE factory machinery

Kaltra improves delivery time for heat exchangers

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With expansion of production facilities which included installation of two new CAB furnaces with large indexing grids and intended for high-volume production runs completed in Q2 2023, Kaltra reduced manufacturing time for microchannel heat exchangers by 30%.

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Kaltra USA

Kaltra to open a subsidiary in the USA

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To expand its presence and the scope of its business in the USA, Kaltra announced opening a hub office in Tacoma, WA, which would primarily be focused on sales and service of heat exchange products.

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Sales report

Kaltra pleased with its performance in FY22 Q2

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Kaltra, the leading provider of HVAC equipment and microchannel heat exchangers, today reported financial results for the second quarter of 2022 and increased its year-earnings outlook.

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Financial performance

Kaltra reports record sales in the first quarter of 2023

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Kaltra has reported a record first quarter with net sales increase of 89% over Q1 2022 and 45% over the previous quarter. Excluding the impact of currency and acquisitions, organic sales increased by 87%. Despite a significant rise in energy costs, Kaltra has delivered sequential sales growth during the past ten quarters.

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Replacement coil

Reduced prices for replacement coils for seasonal peak

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Cooling season 2023 in the Global North is about to start, and chiller owners and facility operators conduct seasonal maintenance. As is often the case, various issues are detected, including leaks or other damages beyond repair in condenser coils.

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MCHE production

Kaltra reported 2022 full-year financial performance

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Kaltra GmbH and its subsidiaries (“Kaltra”) announced fiscal net revenue up 15% from the prior-year period and 4% above the previously provided outlook. This demonstrates a solid end to the fiscal year despite navigating a volatile macro-environment and softening demand in the second half.

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Altmunster office

Relocation of Kaltra Altmünster office

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With business growth in South Germany, Austria and neighboring areas, Kaltra relocated its office in Altmünster to a new, spacious location to meet this expansion and extend the resources offered to customers.

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Sales report

Kaltra pleased with its performance in FY22 Q2

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Kaltra, the leading provider of HVAC equipment and microchannel heat exchangers, today reported financial results for the second quarter of 2022 and increased its year-earnings outlook.

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Financial results Q1 2022

Kaltra has reported strong sales in Q1, with heat exchangers up over 20%

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In Q1 2022, microchannel heat exchanger sales in North America increased at a good pace, mainly attributable to a new market strategy that included the implementation of effective sales processes, policies and procedures that have a direct bearing on the company’s sales. In Europe, sales figures grew 10% in January-March over the corresponding period of the previous quarter.

Overall, net sales for the Kaltra group were up 8%, with sales acceleration in March relative to their rate one year ago.

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Reefer containers

Microchannel coils for trailer and reefer container applications

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Recently, Kaltra developed special series of microchannel condenser coils tailored for the most challenging refrigeration applications in reliability – refrigerated containers and trailers.

Aluminum alloys, surface treatments and thickness of tube walls of these coils have all been specially sourced for application to contribute to system reliability and extended lifespan.

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Water-cooled inverter chiller

Kaltra steps up with Powerstream II inverter chillers on R1234ze

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The portfolio of Kaltra’s cooling equipment is now extended with Powerstream II water-cooled chillers driven by inverter screw compressors and running on R1234ze: a solution that is both environmentally safe and highly energy efficient. A lineup of 12 models covers nominal cooling duties from 400 to 1250kW.

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Core builder for microchannel heat exchangers

Kaltra further expands its manufacturing capacity

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To address the growing number of orders for microchannel heat exchangers that come last quarters and in response to the increased sophistication and complexity of our customers’ requirements, Kaltra reinforces its manufacturing capabilities by investing in additional production machinery.

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Financial results Q3 2021

Kaltra’s business performance demonstrated resilience in Q3 2021

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In the third quarter of 2021, Kaltra sales were up 12% versus Q2 on a reported basis. Q3 solid performance drives guidance upgrade to around 27% business growth in 2021.

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Financial performance

Kaltra reports unexampled Q2 2021 results

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According to the latest company data, extensive sales growth observed in preceding quarters continued in Q2 2021, totaling 23% year-on-year and by 11% quarter-on-quarter.

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Precision cooling unit R32

Kaltra adds R32 version of Compact DX precision cooling units

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Kaltra extended its Compact DX series of precision cooling units with models running on refrigerant R32. This new offering targeted telecom and IT environment cooling applications: where close temperature control and high sensible cooling are a must.

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Microchannel evaporator

Optimized microchannel evaporator design boosts efficiency

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The company’s research center completes work on the streamlined microchannel evaporator design that displays amplified performance under partial load conditions. Evaporator’s outlet manifold was subjected to optimization to achieve optimum refrigerant distribution between multiport tubes.

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Chiller sequence management

Kaltra introduces built-in sequence management for its 2nd generation chillers

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Following numerous performance improvements and enhancing functionality implemented in the latest version of control software installed on second-generation chillers, Kaltra adds sequence management as an option available for air-cooled models equipped with scroll, screw, and Turbocor-based chillers, as well as for chiller versions with free cooling.

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Financial report Q1 2021

Kaltra delivers a strong finish to Q1 2021

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Entering the first quarter, the company recorded double-digit growth rates across its biggest markets in Europe. This is the result of a great team effort by all of our employees. Despite the adverse economic climate, we still used the year to make Kaltra a better company.

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Lightstream Screw II Inverter air-cooled chiller

Efficiency step up for variable speed chillers

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Kaltra has officially launched the Lightstream Screw II Inverter chiller lineup, its next generation of air-cooled chillers, now compliant with Ecodesign Tier-2 requirements.

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Compact precision air conditioner

Future-proof and compact: new precision cooling units

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Following current trends in telecom and IT cooling, Kaltra has announced Compact CW – chilled water cooling units in an ultra-compact design with enclosure depth as small as 490mm. The range includes 5 enclosure sizes, from 585 to 1885mm, delivering cooling capacities from 5 to 65kW.

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Air-cooled scroll chillers

10% higher efficiency for Ultracompact II chiller family

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Family of Ultracompact II chillers with air-cooled condensers received latest-generation scroll compressors and now offered with lower GWP refrigerants R32, R452b, and R454b. Combined with this, operation efficiency has been lifted by 6% for chillers running on R410a and by 10% for those running on lower GWP gases.

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Air-cooled condenser

Kaltra extends its range of air-cooled condensers with Bora XL

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Model Bora XL air-cooled condensers, designed for outdoor applications, provide an efficient and practical solution to the selection of condensing equipment. These condensers feature an innovative design aiming to increase the performance and energy efficiency to meet today’s industrial and commercial refrigeration’s stringent needs.

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Variable-speed chillers

Kaltra brings variable-speed compressors to Easystream II chillers

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This month Kaltra has upgraded its Easystream II water chillers with the addition of new models running on inverter-driven scroll compressors. The new models, Easystream II Inverter, deliver up to 10% better COP and up to a 5% increase in ESEER within the same footprint and weight.

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Lightstream Screw II air-cooled chiller

Kaltra set to launch next-generation screw chillers

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Kaltra has overhauled its screw-compressor chillers to deliver higher operational efficiency with the new Lightstream Screw II range. Improvements include the latest screw compressors by Bitzer with smooth capacity regulation, redesigned refrigeration circuit, and evaporators.

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Bora XL series dry cooler

Saving energy and water with redefined dry coolers

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With water and energy becoming very precious resources, dry coolers provide a water-saving alternative to open-circuit cooling towers. With its new dry cooler optimized to deliver long-term savings in water, energy, and maintenance time, Kaltra shows the massive potential offered by its technology.

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High-lift Turbocor chiller

New Lightstream Turbo II subrange benefit high-lift applications

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With the continuously rising demand for cooling in hot climate regions, low-temperature process applications, and heat recovery solutions, Kaltra had busied developing chillers for high temperature lift applications. Efforts were made towards the design of Turbocor-based air-cooled chillers as the most energy-efficient and environmentally sustainable solution.

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Free cooling chiller

Kaltra updated chillers to comply with ErP 2021

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This week Kaltra completed the modernization for all its chiller families for compliance with Tier-2 Ecodesign Directive requirements that have come into force from January 2021.

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Precision air conditioner

Refrigerant economizer option available for Lambda DX CRAC units

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Kaltra is set to launch its Lambda DX precision air conditioning system employing pumped refrigerant economizer. Lambda DX combines direct expansion operation during warmer ambient temperatures and refrigerant economizer mode during cooler temperatures, resulting in a reduction in annual power consumption for the system.

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Production plant

Kaltra 2020 sales is +33%, with production up ~30%

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The 2020 production was above previous guidance, averaged at +33% of the company’s and its affiliates’ results in 2019, and setting the momentum for 2021 – amidst strong macro-economic headwinds. The company also recorded its highest-ever Q4 production, registering a 40% year-over-year growth for Q4.

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CRAH unit

Kaltra to launch dual-circuit precision cooling units

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Continuing to expand its solution portfolio for data center cooling, Kaltra releases dual-circuit precision air conditioners running on chilled water in pursuing optimum availability in mission-critical applications.

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Cooling plant

Kaltra intends to adopt R515b for its water chillers

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The development of environmentally friendly refrigerants for air conditioning and refrigeration equipment is imperative to the growth of HVAC technology. The low-GWP refrigerants like R1234ze are promising candidates for replacing HFC refrigerants. However, these refrigerants are flammable. To address the flammability issue, Honeywell developed Solstice® N15, a non-flammable HFO blend.

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MCHE manufacturing plant

Kaltra expands manufacturing capabilities

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Responding to the increase in demand for microchannel heat exchangers for HVAC applications, Kaltra expands production capacity at its S-1 plant by installing the additional automatic core builders, fin rolling machines, and helium leak detection systems. This significant injection allows Kaltra to increase the annual production of microchannel coils by 20%.

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Sales report

Kaltra registered record sales in Q3 2020

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Kaltra has announced a record sales increase of 25% in the third quarter compared to the same period last year, despite the negative events of the year 2020.

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Heat exchanger coating

Kaltra puts forward innovative high-tech coating to improve heat exchanger performance

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Surface coatings play an important role in increasing the service life of heat exchangers and, consequently, HVAC equipment’s lifespan. Surface coatings may also positively impact heat transfer efficiency – but this potential remained unfulfilled until now.

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Chillventa 2020

Kaltra to participate in Chillventa 2020 trade fair

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Kaltra continues to develop its environment-friendly refrigeration and air conditioning equipment, microchannel heat exchangers – together with all related services for our esteemed customers.

This year Kaltra is participating in the world-famous Chillventa 2020. The forum has long been widely known to all specialists in the field of refrigeration and air conditioning systems and our customers. During the pandemic, when personal communications in business are limited, the exhibition is held in a virtual format, but it continues to be a platform where we can present our latest developments and technologies, show our reliability and growing potential, become closer to our customers.

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Dry cooler

Kaltra raises the bar for industrial dry coolers

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Kaltra has extended its range of high-capacity dry coolers with Mistral series units in a V-shaped configuration, up to 2000kW in the air-cooled version and as high as up to 3000kW with the adiabatic: a total of about 500 models.

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Precision air conditioner

Kaltra acquaints customers with updated Lambda DX precision air conditioning units

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Lambda DX/FGB, the latest addition to Kaltra’s IT cooling portfolio, offers flash gas bypass technology for these precision air conditioners, improving the system’s energy efficiency. With more cooling for less space, Lambda DX/FGB delivers accurate temperature and humidity control, whilst contributing to lower energy use.

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CRAC unit

Kaltra extends its range of precision air conditioners for IT cooling

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Kaltra is now offering its Lambda II-M range of modular precision air conditioning units with two cooling circuits as an option to standard units, to further increase overall system redundancy to meet the highest demands for critical IT cooling applications, including colocation and hyperscale data centers.

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Microchannel heat exchanger manufacturing plant

Kaltra chases market growth, strengthens regional presence in France and Italy

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Facing rapidly growing interest and sales in the region, Kaltra expands its regional support for microchannel heat exchangers in France and Italy. Services in the area primarily focused on OEM customers and include engineering support, warehousing, and aftersales.

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R452b scroll chiller

Kaltra adds R454b models to two of its chiller lineups

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Cognizant of its environmental stewardship and responsibility, Kaltra advances with low global warming potential solutions for chillers, now releasing R454b versions of its scroll compressor-based models.

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Turbocor centrifugal chiller

New Lightstream Turbo II chillers received falling-film evaporators

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Recently introduced chiller family based on Turbocor oil-free compressors and distinguished by high energy efficiency and environmental safety, received falling-film evaporators in addition to flooded models.

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Cooling plant

Kaltra improves terms for heat exchanger supplies

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At Kaltra, the importance of top-notch service has always been seen as essential in the delivery of components. Kaltra’s forward-focused strategic approach, which always led to a successful relationship with our customers right in the early stages, ensures our competitive advantages in the long run and a key to our successful businesses. In the framework of this strategy, Kaltra continually strives to improve its service to customers.

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Air-cooled Turbocor chiller

Kaltra to modernize its air-cooled Turbocor chiller range

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Kaltra, the specialist in air-conditioning and heat transfer technologies, modernized its Turbocor compressor-based chillers with air-cooled condensers and presents performance highlights of the series.

The Lightstream Turbo II series is a unique development in the field of demand-responsive chillers, specially designed for variable-load cooling and optimized for the novel lower-GWP refrigerants R1234ze and R513a.

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Modular precision air conditioner

Kaltra introduces modular precision air conditioners

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Lambda CW II-M is the result of an extensive R&D process, with Kaltra utilizing microchannel coil technology to give new ranges their own unique properties for precision cooling.

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Altmunster office

Kaltra is relocating its activities in Austria to Altmunster

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As of January 31st, the main office of Kaltra in Austria will move to a new location in the city of Altmünster, which offers a better infrastructure to assist local customers. Kaltra has been highly active in Austria and surrounding regions since 2017 and expects significant business growth in the next couple of years.

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R32 scroll chiller

Kaltra launches a range of scroll chillers optimized for lower GWP refrigerant R32

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Kaltra extends the portfolio of low-GWP chillers with the launch of Lightstream Scroll II range based on its Versa platform and operating on refrigerant R32. Lineup’s capacity ranges from 300 to 1100kW at nominal conditions and demonstrates the same high level of efficiency as previously introduced R452b-based models.

Lightstream Scroll II R32 available with the same extensive set of hydronic options, free cooling circuit, safety options, low-noise models, and control software functionality as found in existing Lightstream Scroll chillers running on refrigerants R410a and R452b.

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Precision air conditioner

Kaltra updates its range of Delta DX precision air conditioning units

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This week Kaltra announced the updated range of its mainstream Delta DX precision air conditioners.

New models received the scroll compressors with latest control electronics and recent-generation radial EC fans with Modbus control.

The capacity range has been extended with unit models in the 5-15kW range (equipped with rotary compressors), as well as with top models delivering 125-150kW of cooling.

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Free cooling chiller

Kaltra extends the capacity of its flagship free cooling chiller range

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Kaltra has extended the capacity range of its Lightstream Freecool inverter chiller to 1800kW of refrigeration. Lightstream Freecool chiller lineup was introduced in 2017, initially with a capacity range of 450 to 1200kW.

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Vienna office

Kaltra establishing its presence in Austria

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We are delighted to announce the expansion of our business with the launch of our Austrian office, located in Vienna. In line with Kaltra’s growth in the Austrian market, the Vienna office strengthens our positions with a focus on expanding regional presence.

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Bora XL dry cooler

Kaltra expands its dry cooler portfolio with Bora XL range

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This week, Kaltra announced its next range of dry coolers based on recently engineered Versa platform. Versa is a shared set of innovative engineering, major components, and production efforts over a number of the distinct, full-size chiller, condenser, and dry cooler ranges. Kaltra’s equipment based on Versa platform characterized by high flexibility, significantly lower manufacturing costs, and enables easy customization and adaptation to the customer-specific application and requirements.

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Bora XL condenser

Kaltra offers high-performance condensers of Bora XL range

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The XL range is a further development of Bora series air-cooled condensers which offer to the customers consistently high performance combined with reduced footprint and low refrigerant charge. Bora XL condensers have been designed to use with both traditional and low-GWP refrigerants, including R134a, R410a, R452b, R513a, R449a and more. The range includes models in the nominal capacity range from 150 to 1850 kW with two available sound level versions: standard low noise and extra low noise.

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R452b scroll chiller

Air-cooled chillers with R452b now available

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Following the debut of its water-cooled chillers running on refrigerant R452b this March, Kaltra announces an air-cooled range of chillers with scroll compressors using this low-GWP refrigerant.

Lightstream Scroll II R452b chillers will be available in the capacity range from 260 to 1000kW and may be fitted with the highly efficient free cooling system. Other options include partial heat recovery with a desuperheater or full heat recovery, making these chillers a multi-purpose solution for simultaneous, year-round production of chilled and hot water.

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Water-cooled chiller

R452b chillers added to Kaltra portfolio

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Kaltra is now offering low-GWP refrigerant R452b across its Easystream II range of modular water-cooled chillers with scroll compressors – an environment-friendly alternative to R410a gas with a GWP value as low as 675. R452b is a zeotropic HFO/HFC blend classified as a mildly flammable refrigerant (A2L ASHRAE safety class) that delivers an optimal balance of performance, safety, and compatibility to replace R410a and outperforms other R410a alternatives.

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Scroll chiller

Kaltra adds air-cooled version to its Easystream II chiller range

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Kaltra, a leading manufacturer of air conditioning and refrigeration equipment, has announced the commercial launch of scroll chillers that expands an existing lineup of condenserless and water-cooled models with air-cooled version.

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Kaltra office UK/Ireland

Kaltra opens branch to serve its customers in the UK and Ireland

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In response to growing customer interest and following its plan to step up the regional expansion, Kaltra, a world-known developer and supplier of air conditioning, cooling and refrigeration products and systems, is proud to announce the opening of independent, strategically vital entity to serve its customers in the United Kingdom and Ireland.

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Air-cooled condenser

Low-charge air-cooled condensers for use with low-GWP refrigerants

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Kaltra is now taking one step further by introducing the new flatbed, low-charge air-cooled condensers for use with low-GWP refrigerants, including R449a, R454a, and R454c.

To meet market requirements to reduce global warming potential and increase the energy efficiency of cooling equipment, Kaltra has engineered a new line of air-cooled condensers with market-leading features at reasonable initial and running costs.

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Air-cooled chiller R450a

Kaltra adopts R450a to screw chillers

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Kaltra continues to move proactively to refrigerants with a lower global warming potential with the introduction of R450a-driven air-cooled chillers.

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Variable-speed water-cooled chiller

Kaltra extends the range of water-cooled chillers with inverter models and adds R513a

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Kaltra is delighted to make an exciting new addition to their chiller portfolio – Powerstream Screw Inverter family of water-cooled chillers.

The chillers feature fixed-speed screw compressor combined with an inverter-driven one.  The unit starts with the inverter compressor; when the cooling demand exceeds its capacity, the second compressor starts up at full speed to ensure the best possible efficiency. Capacity regulation is carried out by the inverter-driven compressor.

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Free cooling chiller

Kaltra modernizes Ultracompact II chiller to add a new free cooling system

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Following the market success of Ultracompact II, Kaltra modernized its free cooling version. The revised free cooling system now includes double-regulating valves and a 3-way mixing valve for precise water temperature control in free cooling operation.

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Free cooling chiller

Kaltra R513a chillers now available

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Following the recent announcement of its first R513a-compatible chiller range, Kaltra has revealed the availability of its Lightstream Freecool inverter-driven chillers with refrigerant R513a in addition to regular R134a and low-GWP R1234ze.

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Turbocor centrifugal chiller

Kaltra extends its Powerstream Turbo range with high-capacity models

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In response to the rising demand for high-end, energy-efficient cooling solutions, Kaltra has expanded its flagship lineup of Turbocor-based chillers. So far, the customers have been able to pick from the models with the capacity range of up to 1800kW. For increased requirements, Kaltra has added 5- and 6-compressor models to Powerstream Turbo chiller family making it suitable for large commercial and industrial cooling applications with up to 4600kW cooling power per chiller unit. With an ESEER value as high as 10.50 and new control software which optimizes the performance of multi-compressor units, Powerstream Turbo chillers meet the highest demands for energy efficiency at any operating condition.

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Inverter chiller

Kaltra announces a new, broad screw chiller range

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This week Kaltra announced its new chiller family designed with screw compressors, a successor of well-known Lightstream Screw range.

With different screw compressors, inverter-driven and fixed-speed, Kaltra launched its widest chiller lineup which includes R134a and R1234ze models, 160 in total. Units with R513a refrigerant are available by request. New Lightstream Screw V chillers cover all applications in the capacity range from 200 to 3600kW. In addition to process cooling and air conditioning tasks, the new screw chillers are addressed for mission-critical applications where the reliability and precise temperature control are the crucial factors.

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Unit cooler

Kaltra starts the production of Tramontana unit coolers

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Kaltra Innovativtechnik starts production of its Tramontana unit coolers with a capacity range of up to 60kW. Tramontana units stand out based on consistent performance, wide selection of optional components to tailor the solution to the customers’ requirements, and low installation and maintenance cost.

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Manufacturing plant

Kaltra accelerates growth with the opening of a new manufacturing facility in Slovenia

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Kaltra is proud to announce the opening of a brand-new manufacturing plant in Slovenia. The facility consists of 4000 square meters of manufacturing space, a test lab, and offices. Approximately 30 employees will work in the new location initially and it is expected to grow to around 80 within the next two years.

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Evapco-Alcoil

EVAPCO acquires Alcoil to create EVAPCO Alcoil, Inc.

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EVAPCO Inc., an industry leading manufacturing company with global resources and solutions for worldwide heat transfer applications, announced today that it has acquired Alcoil USA LLC , a York, Pennsylvania-based company that designs and manufactures micro-channel heat exchangers.

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Evaporative dry coolers

Kaltra extends its portfolio with evaporative condensers and dry coolers

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With the development of evaporative air-cooled condensers and dry coolers, Kaltra sets new standards in the field of efficient and environmentally safe cooling.

The power saving potential of the new units is based on the evaporative cooling principle, in which the air temperature drops when the air takes up water by transforming it from liquid to vapor.

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Air-cooled chiller

Kaltra reveals the new Ultracompact II product line

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As a part of its long-term product development roadmap, Kaltra Innovativtechnik introduces the next generation of its Ultracompact product line. This series covers the cooling duty range between 50 and 300kW with capacity increases of 25kW and provides total or partial heat recovery in compact machine design and suitable for air-cooled applications across many industries.

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In-row cooling unit

Kaltra announces the second generation of in-row cooling units with a 50% capacity increase

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Among other innovations, Kaltra launches the second generation of its high-capacity in-row cooling solution designed for high power density data centers. With the cooling capacity of 141kW, Lambda In-Row is able to replace up to 4 typical in-row cooling units, saving expensive data center space for server racks.

Lambda In-Row has a new microchannel evaporator combined in V-form with a 41m² total heat transfer surface. With these evaporators, the cooling capacity of the new units increases from 90 kW to 141kW (for water temperatures of 15/21°C and inlet air temperature of 40°C).  A special type of manifolds for microchannel heat exchangers provide a uniform water distribution, and at the same time keeps low waterside pressure drop.

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Microchannel evaporator

Alcoil receives U.S. and international patents for microchannel evaporator design

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Alcoil announces the issuance of US Patent No. 9,459,057 and European Patent EP 2 948 725, which relates to an improved and advanced refrigerant evaporator design. The patented technology is used as an air-to-refrigerant microchannel heat exchanger to cool air or reject heat in residential, commercial or industrial evaporators and heat pump systems.

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Turbocor chiller

Lightstream Turbo chiller range extended with highly efficient models

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Trending Turbocor-based chiller family by Kaltra has been extended with highly efficient models with extra condenser banks, which enable lower condensing temperatures and 15% higher energy efficiency rates (EER) compared to standard Lightstream Turbo models, as well as reduced noise emission level.

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Free cooling chiller

Kaltra announces the new Lightstream Freecool chiller family

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Kaltra Innovativtechnik, a German-based provider of innovative thermal management technologies and advanced cooling equipment, is excited to announce the launch of the new lineup of freecooling chillers based on frequency-controlled compact screw compressors and microchannel technology adopted for both condensing and freecooling coils.

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Plant room chiller

Kaltra unveils its new family of packaged chillers

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German chiller manufacturer, Kaltra Innovativtechnik, is set to showcase its new Easystream family of air- and water-cooled chillers with scroll compressors in March 2017.

New chillers are intended for either indoor or outdoor installation. The series covers the capacity range starting from 40kW and up to 480kW with cooling densities of up to 220kW/m². When used with Mistral condensers/dry coolers, Easystream allows for installation in populated urban areas and anywhere where low noise pollution is a crucial factor.

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Variable-speed chiller

Kaltra to announce the updated Lightstream Screw air-cooled chiller family

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Kaltra is excited to announce the launch of the updated lineup of Lighstream Screw chillers based on fixed-speed or inverter-driven compact screw compressors, which have been improved to perform efficiently and optimally under every climatic condition.

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Compact scroll chillers

Kaltra debut a range of updated compact scroll chillers

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Kaltra Innovativtechnik begins marketing and selling updated Ultracompact air-cooled chillers. Each chiller model in the Ultracompact range features an aluminium frame and paneling with a 10-year corrosion resistance warranty.

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Air-cooled condenser

Air-cooled condensers and dry coolers for refrigeration and industrial process

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Mistral is the next generation of table-type air-cooled condensers and dry coolers that cover cooling capacities from 5kW up to 1500kW and intended for use with standard refrigerants, ammonia, and carbon dioxide.

One of the cornerstones of Mistral condensers/dry coolers range is the new high efficient heat exchangers with up to 6kW/l performance and reduced refrigerant charge.

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Air-cooled condenser

New air-cooled condensers with microchannel coils and high-performance EC fans

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Kaltra Innovativtechnik, a Germany-based cooling specialist, today has released the new CNM Series air-cooled condensers intended for use with various HFC and HFO refrigerants. Thank microchannel condenser coils, introduced condensers have a 25% smaller footprint and 20% less weight in comparison to the previous generation. New condensers are equipped with high-performance fans with EC motors as a standard.

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Precision air conditioner

New direct expansion air conditioners with microchannel evaporators

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Following the launch of super-efficient Lambda DX precision air conditioning systems, Kaltra has released the new family of compact air conditioners intended for data center and IT cooling applications using elevated return air temperatures.

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Precision air conditioner

Kaltra launches new range of high-efficient precision air conditioners

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Kaltra Innovativtechnik, a Germany-based provider of innovative thermal management technologies and advanced cooling equipment, today released the Lambda DX/DXU family of feature-rich, high-end direct expansion (DX) precision air conditioners with innovative microchannel evaporators and dual refrigerant circuit amongst many of its features.

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Server rack cooling door

Kaltra launches high-efficiency rack cooling door solution to target data center hotspots

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Kaltra Innovativtechnik, a Germany-based cooling specialist, has launched its chilled water rack-based cooling solution intended for use in high-density data center applications. The development of the In-Rack solution is in response to growing demand for high-density cooling solutions from the data center sector for energy savings and reduction in carbon emissions.

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Evaporative fluid cooler

New fluid coolers to be available in Q4 2016

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Jumbo Cooler fluid coolers are intended for cooling process water in industrial, commercial, and free cooling applications, and features the benefits of evaporative cooling with water recirculation, thus minimizing energy and water consumption and offer increasing free cooling hours.

Jumbo Cooler units are equipped with evaporative pads wetted via the water distribution system to pre-cool the air before passing through the heat exchanger coils. This increases the amount of heat the air can extract from the coil and, in turn, increases the cooling capacity of the unit.

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Microchannel coil

The most advanced microchannel technology comes to Europe

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Alcoil, York, PA, one of the world’s foremost manufacturers of microchannel heat exchangers for condenser, evaporator, heat pump and water coil applications, and Kaltra, a developer and manufacturer of innovative cooling solutions, announced a new broad partnership.

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Turbocor chiller

Environment-friendly R1234ze chillers with oil-free centrifugal compressors

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The Lightstream Turbo chiller family has been designed with attention to every detail to maximize operational reliability. It is ideally suited to the requirements of mission-critical applications like data centers, telecom facilities and clean rooms, and in every area where reliability is a crucial factor.

Due to its excellent efficiency at part-load conditions, the Lighstream Turbo chiller is a brilliant economy solution for applications where the heat load is not constant or expected to increase.

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Evaporative cooling solutions

Kaltra expands its business in the segment of evaporative cooling

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In line with its growth strategy, air conditioning and refrigeration specialist company Kaltra is laying the organizational foundations for further business diversification and market expansion. In addition to its existing core business areas, Kaltra has now also started in the evaporative cooling sector with its newly introduced product lines.

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Technical support

Kaltra launched a 24/7 hotline for its customers in Germany

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Kaltra launched a 24/7 hotline for its customers in Germany, aiming to provide comprehensive and improved technical support.

Moving its services to address more businesses and markets and further strengthening their support, Kaltra, a Germany-based HVAC specialist that delivers innovative products to consumers and businesses, announces a new 24/7 hotline for its customers in Germany, aimed to provide improved support for partners and customers.

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