BTU Calculator – Go Shop Direct

BTU Calculator

To find out what wattage or BTU you need to heat your home, simply fill out the form below, hit the button and your requirements will appear. Easy.

BTU is a unit of measurement for energy. Wattage is an amount of electrical power expressed in watts. If your requirements show you need 800W, we would recommend a 1Kw heater. Round the wattage up to the nearest Kw to ensure you have sufficient electrical power to heat your specified room.

1. Select measurement type
Metric (metres) Imperial (feet)
2. Your room dimensions
Height of room:
Width of room:
Length of room:
Window Area x2:
3. Type of room:
4. What is below the room?
5. What is above the room?
6. Select type of outside wall:
7. Select type of window:
8. Select number of outside walls:

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