AnyHVAC Resources
HVAC Design Resources
Practical references for HVAC professionals and designers.
Download free quick-reference sheets, keep them at your desk, or use them alongside the AnyHVAC calculators. No signup required.
Design Reference #01
FreeDuct Design Quick Reference
A two-page HVAC duct design reference covering airflow, velocity, duct area, friction rate, pressure relationships, rectangular duct fundamentals, conversions, and design checks.
Design Reference #02
FreeHVAC Airflow & Static Pressure Measurement Quick Reference
A two-page field and design reference covering pressure terminology, TESP, airflow measurement, traverses, capture hoods, formulas, and responsible calculator connections.
Design Reference #03
Coming SoonPsychrometrics Quick Reference
Dry bulb, wet bulb, dew point, relative humidity, humidity ratio, enthalpy, and common HVAC processes.
Design Reference #04
Coming SoonMixed Air Quick Reference
Outdoor air, return air, mixed air, airflow weighting, moisture, and enthalpy relationships.