HVAC Size Calculator
The size of air conditioner or heat pump a house needs, in BTU and tons.
Sizing by floor area alone is how people end up with a unit that short-cycles. This starts from the area, then adjusts for the climate, the insulation, the windows and the people in the house.
—BTU per hour
- Volume to condition—
- Base load—
- Insulation and sun—
- People and kitchen—
- Total load—
- In tons—
- In kilowatts—
- Nearest standard unit—