Sizing Heater For Garage

If you have an electric heater calculate 10 watts per square foot of floor space.

Sizing heater for garage. Estimate watts for electric. Measure the square footage of the floorspace. Find a heater with a btu output that matches your results.

The general guideline when sizing heaters is 10 watts for every square foot of space. For example if your uninsulated garage is 484 square feet your formula is 484 200 x 9 000 or 21 780. There are two ways to calculate the heater you require for your garage either by wattage or btu.

Fortunately the calculation for correctly sizing a heater is simple when you take accurate measurements. Watts are easy enough to follow as they can be quantified by 10 watts per square foot of space. Many people choose a garage heater based on an average winter temperature.

To get the square footage multiply the. Or you may want the safety margin of a heater large enough to handle freak cold spells. For example in an area that is 20 feet by 24 feet you would need 4800 watts of power it s just the total square footage 480 multiplied by 10.

Newair heaters carry 120 volts of current and are rated up to 5600 watts. You need a heater with at least a 21 780 btu output.