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.
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.
As energy efficiency and environmental regulations tighten across the HVAC industry, leak testing has become more important than ever. With the growing shift to climate-friendly refrigerants and the adoption of compact, high-efficiency components, ensuring leak-tight systems is not only critical but also increasingly challenging.
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.
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.
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.
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.
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.
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.
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.
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.
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.
