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BTU Calculator
Calculate required heating/cooling BTU capacity and AC tonnage for your room.
Length (ft)
Width (ft)
Height (ft)
Insulation Condition
Poor (Uninsulated / Drafty)
Average (Standard Home)
Good (Well Insulated / Sealed)
Sunlight Exposure
Shaded / Low Light
Normal Daylight
Heavily Sunny Room
Room Type Extra Heat
Bedroom / Living Room (Normal)
Kitchen (+4,000 BTU)
Home Gym / High Activity (+1,500 BTU)
Calculate BTU
Required Capacity
0 BTU/hr
AC Capacity
0.0 Tons
Room Area
0 sq ft