MCHE continuous CAB furnace

Kaltra significantly lifted its production capacity in 2025


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

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


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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Microchannel coil

Chilled water coil design enhanced for application flexibility and extended lifespan


As part of its ongoing strategy to expand the applications and market reach of microchannel heat exchangers, Kaltra has introduced a new line of air-to-water microchannel coils, meticulously designed and optimized for specific uses.

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Microchannel evaporator coil

Refrigerant distribution in microchannel evaporator at multiport tube level


Previous studies have examined refrigerant distribution across tubes in microchannel evaporators. Various methods have been explored to minimize refrigerant maldistribution between tubes, including specialized inlet manifold designs with DX distributors, flash gas bypassing, coil geometry optimization, and refrigerant charge control.

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Kaltra Australia

Kaltra expands its presence in Australia with MCHE products


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 production

Exploring heat exchanger inclination angle: effects on heat transfer and air pressure drops


In this article, Kaltra addresses frequently asked questions regarding the impact of heat exchanger inclination angle on its performance, including capacity and pressure drop on the airside. Both the heat transfer coefficient and air pressure drop were examined under dry and wet conditions through experimental investigation.

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