Microchannel Heat Exchangers

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  • MICROCHANNEL HEAT EXCHANGERS

    MCHE PRODUCTS FOR EVERY APPLICATION

    Microchannel heat exchanger

ENERGY EFFICIENCY

Energy efficiency is a major advantage of microchannel heat exchangers: high heat transfer rates, low airside resistances, smaller sizes and lower weight – all lead to substantial savings of energy.

IMPROVED RELIABILITY

The reliability and lifespan of our coils significantly improved with the use of new aluminium alloys, advanced brazing process, and can be further refined with optional e-coating.

ENVIRONMENT PROTECTION

Reduced internal volume and adaption to low-GWP refrigerants make our heat exchangers the most environmentally safe solution available on the market.

MICROCHANNEL CONDENSERS

Microchannel condenser

MICROCHANNEL HEAT EXCHANGERS

Based on patented innovations and designed to provide maximum thermal efficiency, our microchannel condenser coils demonstrate high efficiency and capacity, and are suitable to use with HFC, HFO, and natural refrigerants

FEATURES

  • Fully customizable
  • Low refrigerant charge
  • Long-life alloys
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MICROCHANNEL EVAPORATORS

Microchannel evaporator

MICROCHANNEL HEAT EXCHANGERS

Unlike other MCHE products currently on the market, our microchannel coils suited to evaporator and heat pump applications. The use of microchannel evaporators offers a vast of benefits resulting in significant improvements in performance, efficiency, and equipment footprint

FEATURES

  • Fully customizable
  • Inbuilt refrigerant distributor
  • Long-life alloys
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MICROCHANNEL WATER COILS

Microchannel water coil

MICROCHANNEL HEAT EXCHANGERS

Credited with several state-of-the-art innovations in heat transfer technology, our microchannel water coils characterized by unprecedented performance and heat transfer efficiency, reduced size and weight, and make it possible to engineer the most advanced cooling solutions

FEATURES

  • Fully customizable
  • High-performance design
  • Long-life alloys
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SERPENTINE COILS

Serpentine heat exchanger

MICROCHANNEL HEAT EXCHANGERS

Brazed serpentine coils are perfectly suitable for small applications such as electronics and laser cooling, mobile cooling solutions, consumer freezers, medical devices and especially beneficial for appliances where precise cooling is required

FEATURES

  • Suitable as condenser or evaporator
  • Single- or multi-tube
  • Made-to-order
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REPLACEMENT COILS

Microchannel coil

MICROCHANNEL HEAT EXCHANGERS

Replacement coils for a wide range of air-cooled chillers and condensers of different brands, designed as a direct replacement for original manufacture’s heat exchangers, either microchannel type or finned tube type

FEATURES

  • Full compatibility
  • Long service life
  • Improved performance
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RELATED PUBLICATIONS

MCHE made from AA 3F05

Kaltra deploys new aluminum alloy for microchannel heat exchangers

The new aluminum alloy AA3F05 boosts the corrosion resistance of Kaltra's microchannel heat exchangers.
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Superhydrophobic microchannel heat exchanger for heat pump performance enhancement

Superhydrophobic coating delays frost formation and makes microchannel heat exchangers a beneficial choice for outdoor evaporators in heat pump systems.
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MCHE brazing process in detail

Brazing of microchannel heat exchangers: detailed description of state-of-the-art process practiced by Kaltra.
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Kaltra improves delivery time for heat exchangers

Facility expansion has been successfully completed by Kaltra, reducing manufacturing time and expanding production capacity for microchannel heat exchangers (MCHE).
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Two more CAB furnaces for MCHE brazing are to be installed in Q1 2023

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What is and how works e-coating?

What is e-coating, how it works, and what is vital to know about e-coating for microchannel heat exchangers.
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Hydrophilic topcoat for microchannel heat exchangers

Hydrophilic coating for microchannel heat exchangers: increases performance under wet conditions, improves condensate drainage and enhances corrosion resistance.
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Microchannel heat exchangers for refrigeration systems running on R32 and other flammable refrigerants

Transition to low-GWP refrigerants, many of which are flammable or toxic, is ongoing. Heat transfer with microchannel coils significantly extends the spectrum of cooling applications and the size of refrigeration systems.
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Kaltra has expanded production capacity for top-demanded compact, low-volume serpentine microchannel heat exchangers.
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Microchannel coils for air-source heat pumps

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

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Microchannel condenser coil replacement project

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Charging microchannel coils

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Kaltra improves terms for heat exchanger supplies

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Experimental investigation for microchannel heat exchangers corrosion in the coastal environments

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Anti-corrosion treatment for microchannel dry coils

Kaltra starts offering protective coating for inner surfaces of its microchannel water coils developed for improved corrosion resistance and longer operating lifespan.
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Microchannel heat exchangers: fabrication process

Microchannel coils are a type of heat exchangers made from aluminium by brazing. This article goes through the manufacturing process of microchannel heat exchangers.
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Optimization of refrigerant distribution for microchannel evaporators

Microchannel evaporators with optimized manifold design: uniform refrigerant distribution, improved heat transfer, higher capacity.
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Air-cooled condenser assemblies for end-customers and OEMs

Designed for low-GWP refrigerants, last-generation, low-volume Kaltra's condensers based on microchannel technology display higher heat transfer rates and superior corrosion protection.
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High-grade corrosion protection for heat exchangers

Kaltra offers microchannel heat exchanger anti-corrosion treatment for HVAC equipment to ensure highest level of protection.
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Microchannel heat exchanger

Kaltra offers coil replacements for condensers and water applications

Kaltra offers heat exchanger replacements for end-customers and OEMs: microchannel coils featuring high performance and long service life.
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E-coated microchannel coil

Heat exchanger protection with electrocoating

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Serpentine coils for compact cooling systems

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Microchannel coils in single-phase heat transfer applications

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Microchannel heat exchangers as an advanced alternative to traditional HVAC coils

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Technology rally: microchannel vs. finned tube evaporator

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Advanced microchannel technology for HVAC and process cooling

Advantages and benefits of using microchannel heat exchangers for HVAC applications: from high thermal conductivity to improved anti-corrosion properties.
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Methods of microchannel coils defrosting

Considering the methods and specificities of defrosting for microchannel heat exchangers: electric defrost, off-cycle defrost, and hot gas defrost.
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V-shaped microchannel coils for chiller applications

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Microchannel coils add dimension for cooling systems

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Microchannel coil: fix or replace

Microchannel coils are constructed to reduce size, use less refrigerant, be more durable, transfer heat better and eliminate formicary corrosion.
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The most advanced microchannel technology comes to Europe

Kaltra becomes a representative of Alcoil in the European HVAC market with advanced microchannel technology and products.
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Microchannel heat exchanger

Formicary corrosion

One of the key advantages of microchannel coils is their resistance to formicary corrosion which causes the majority of leaks in finned tube heat exchangers.
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Microchannel heat exchanger

Aluminum coils: recommendations for cleaning

Recommendation on cleaning methods for microchannel heat exchangers.
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Microchannel coils fast becoming industry standard

The microchannel coil advantages are the future and rapidly becoming the norm because of the many benefits they provide in new HVAC equipment.
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Field tests for evaluating microchannel heat exchangers with variable fin pitch

Innovative, variable-geometry microchannel heat exchanger design offers optimized airflow, improved performance and efficiency in applications.
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Microchannel heat exchangers: advantages and benefits

Aluminium microchannel heat exchangers for condenser, evaporator, heat pump, and chilled water applications: features and benefits.
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