Engineering Tools

Professional tools for HVAC engineers. Design heat exchangers, analyze psychrometric processes, and generate engineering documentation.

Free Tool

Interactive psychrometric chart with ASHRAE equations. Calculate 10 air properties, simulate 5 HVAC processes, and export results.

Size direct expansion evaporator coils with segment-by-segment solver. Supports R-410A, R-134a, R-32, R-407C, and R-22.

Design air-cooled condenser coils with desuperheating, condensing, and subcooling zone analysis.

Size chilled water cooling and dehumidification coils. Supports glycol mixtures (ethylene and propylene glycol).

Design heating coils for hot water applications with NTU-effectiveness method.

Size steam heating coils with modulating valve and face-and-bypass control options.

Design dry cooler / fluid cooler coils for sensible heat rejection applications.

Automatic circuit generation with same-side and opposite-side connections. Visual 2D diagram with PDF export.

Coming Soon

Design shell and tube heat exchangers with TEMA standards. Coming soon.

Coming Soon

Design microchannel heat exchangers for compact HVAC applications. Coming soon.

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