How Many Btu Heater For 3 Car Garage

Take the guesswork out of garage heater sizing.

How many btu heater for 3 car garage.

Air conditioners and heaters use units of btu to describe their cooling or heating capacity. 70 f inside 10 f outside. The heater is going to be measured in btus. For this step you ll need to determine how well the garage is insulated to get the last variable for the equation.

The heater type such as radiant or forced air the british thermal unit btu output your garage s insulation and your available power all factor into your heater selection. 70 f inside 20 f outside. 50 f temperature rise 60 f temperature rise 70 f temperature rise. In about 5 minutes you determined that the ideal garage heater for this specific garage would have an hourly btu output of 61 875 btu.

Insulated 1 car garage. How many btu you need depends on variables such as the garage size your climate zone and the temperature you want to work in. Garage heater sizing chart. Insulation quality x total cubic feet x desired heat rise 1 6 btu required.

For example a 15 x 20 foot garage would be a total of 300 sq ft and would use an 8 000 9 000 btu unit. 70 f inside 20 f outside. Now that you ve determined how many btus your garage heater needs to produce for efficient heating performance you need to install it. 60 000 btu is recommended for a 3 car garage.

Btus are british thermal units and the higher the btus the more heat the heater will produce. Hvac units such as garages heat and cool by size rated with btu s. If you decide to purchase a forced air heater you should be looking for something no less than 45 000 btu if you have a 2 car garage. The square feet of a garage is calculated and matched to the btu size.

Answer a few questions about your energy source and garage and the garage heater calculator free tool recommends models that will do the job. To get the square feet of a garage measure the width by the length an multiply the 2 numbers. 50 f temperature rise 60 f temperature rise 70 f temperature rise. If you took one pound of water and raised its temperature by one degree fahrenheit you would have used one btu of energy.

Our free garage heater calculator takes the guesswork out of selecting a garage heater. Most efficient way to heat a garage. Newair s portable electric garage heater has a heating capacity of more than 19 000 btus enough for most 2 car garages in a cool climate. Non insulated 3 car garage.

A heater s physical size has little to do with its heating abilities.