Coming Soon
Heating & Cooling Tools
Practical heating and cooling calculations for airflow, sensible heat, capacity, water flow, and system design.
Free tools for better HVAC work
HVAC tools.Made simple.
Free calculators and practical tools for HVAC professionals and designers.
- 100% FreeAlways will be.
- Fast & AccurateBuilt for real work.
- No Sign UpOpen and easy.
HVAC Calculators
Tools built for real HVAC work.
Fast, practical calculators designed for HVAC professionals, engineers, designers, and students.
Available
HVAC Duct Calculator
Size round and rectangular ductwork using airflow, friction rate, and velocity.
Available
Air Distribution Tools
Airflow, velocity, air changes, friction rate, pressure relationships, and practical air-distribution calculations.
Coming Soon
Air Properties
Psychrometric, dew point, enthalpy, mixed-air, and humidity calculations.