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Engineering Excellence Delivered
Smart engineering tools for HVAC, electrical and MEP design.
HVAC, electrical & plumbing 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.
Results are for preliminary design and engineering review. Verify final selections against project specifications, applicable codes and manufacturer data.
Guides
Learn the method behind the numbers
Short, practical design guides, each linked to the calculator that does the work.
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