Average square and cubic.
How many btu heater for a 24x24 garage.
Insulation quality x total cubic feet x desired heat rise 1 6 btu required.
Our free garage heater calculator takes the guesswork out of selecting a garage heater.
Keep scrolling to use our easy free btu calculator when a garage is ice cold in the wintertime it can be hard on your vehicles and anything else that you store in there.
5280 x 3 41 18 005 btus.
You need a heater with at least a 21 780 btu output.
If you took one pound of water and raised its temperature by one degree fahrenheit you would have used one btu of energy.
Most efficient way to heat a garage.
Take the guesswork out of garage heater sizing.
If desired the unit heater may be connected to a thermostat for ideal.
Now that you ve determined how many btus your garage heater needs to produce for efficient heating performance you need to install it.
To choose a heater that will turn your garage from an oversized refrigerator into a comfortable.
How many btu you need depends on variables such as the garage size your climate zone and the temperature you want to work in.
Once you know your climate zone and the corresponding btu requirements for your area you ll be able to find a general number for your home.
For this step you ll need to determine how well the garage is insulated to get the last variable for the equation.
Air conditioners and heaters use units of btu to describe their cooling or heating capacity.
Answer a few questions about your energy source and garage and the garage heater calculator free tool recommends models that will do the job.
Find a heater with a btu output that matches your results.
Furthermore you may want to use that area for a home workshop or laundry room as an extension of your living space.
For example if your uninsulated garage is 484 square feet your formula is 484 200 x 9 000 or 21 780.
These are very effective at providing heat to large spaces they contain a blower fan connected to a heat exchanger that allows for heat to be provided directly at a desired location.
Since electric garage heaters are rated according to their wattage and gas garage heaters are rates according to btus you can estimate the required size of a gas heater by multiplying by the wattage by 3 41.
A basic rule of thumb for forced air heaters is 45 000 btu to heat a two to 2 1 2 car garage and a 60 000 btu garage heater for a three car garage.
For example in zone 3 to 4 which typically requires 40 45 btu per square feet you can determine that a 2 500 square foot home would need a 100 000 to 112 000 btu furnace.