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Engineering Excellence Delivered
Smart engineering tools for HVAC, electrical and MEP design.
HVAC calculators
Design calculations, in your browser
Every calculator shows its formula, substitution and design basis, works in SI or IP units, and produces a calculation report.
Loads & capacity
Air distribution & ventilation
Air properties
Water systems & utilities
Results are for preliminary design and engineering review. Verify final selections against project specifications, applicable codes and manufacturer data.
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