How many Btus do I need for a 3 car garage? -Garage Heaters

The number of BTUs (British Thermal Units) you need to heat a three-car garage will depend on a few factors, such as the size of your garage, how well it is insulated, and the climate you live in. In general, a garage that is around 900 square feet will require a heater with a heating capacity of around 60,000 to 80,000 BTUs.

However, this is just a rough estimate, and the right size heater for your garage will depend on your specific situation. To determine the right size heater for your garage, it’s a good idea to consult a heating professional or use a BTU calculator.

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