Product
Sales
Annonce
Contact
About us
BTU Calculator
Search
BTU Calculator
1. NUMBER OF SQUARE FEET
Calculate the number of cubic feet to heat
Width (ft)
x
Length (ft)
x
Height (ft)
=
Width (ft)
2. TEMPERATURE DIFFERENCE FACTOR
Calculate the temperature difference factor (˚C)
Outdoor temperature (˚C)
-
Indoor temperature (˚C)
=
Temperature difference (˚C)
=
Temperature difference factor
3. INSULATION FACTOR
Calculate the insulation factor
Insulated
Closed space. Doors and windows installed.
Well insulated
Enclosed space. Walls erected but not insulated. Doors and windows covered with plastic sheeting or tarps.
Poorly insulated
Partially open space. Many walls erected.
Not insulated
Open space. Main walls not erected.
Insulation factor
4. RESULT
Calculate the required number of BTUs
1. Number of square feet
x
2. Temperature difference factor
x
3. Insulation factor
=
Required number of BTUs