How Many Btu Per Square Foot Window Air Conditioner

Window air conditioners typically have a cooling capacity ranging from 5 000 to 12 500 british thermal units btu hr.

How many btu per square foot window air conditioner.

For instance if the room is a rectangular 10 feet by 20 feet the area would be 200 square feet. 700 1000 square feet 18000 btu per hour. 1 btu 1 055 joules 252 calories 0 293 watt hour or the energy released by burning one match. 450 550 square feet 12000 btu per hour 11.

Once you have the total square footage just multiply that number by 20 to find how many btus per hour you d need to heat or cool the space. If you want to properly cool down a 300 square foot area or room you need a 6 000 btu air conditioner. 1 square foot 0 092 square meter 4. 1 watt is approximately 3 412 btu per hour.

If the room is a perfectly square 20 feet by 20 feet the total area would be 400 square feet. Don t worry about factoring height into this equation it ll be a separate measurement on our air conditioner btu calculator. Each air conditioner or heater is rated to produce a certain number of btus. Btus per hour 150 to 250 square feet 6 000 btus 250 to 300 square feet 7 000 btus 300 to 350 square feet 8 000 btus 350 to 400 square feet 9 000 btus 400 to 450 square feet 10 000 btus 450 to 550 square feet 12 000 btus 550 to 700 square feet 14 000 btus 700 to 1 000 square feet.

Multiply the two together to get 150 square foot room. Obviously the problem arises when you have a very small 12 12 room for example. 1 horsepower 2544 4342 btu hour 10. 1 watt 3 412 btu per hour 6.

With the cooling capcity chart find your room s square footage in the area to be cooled square feet column then use the capcity needed btus per hour column to choose the correct cooling capacity for your room air conditioner. Cooling capacity is shown in british thermal units btus per hour. According to the us department of energy directive the most appropriate size of an air conditioner would be 2 880 btu unit. It is approximately the energy needed to heat one pound of water by 1 degree fahrenheit.

1 horsepower 745 69 watts 7. Let s say it is a 10 foot by 15 foot room. To calculate btu per square foot start by measuring the square footage of each room you want to heat or cool. The british thermal unit or btu is an energy unit.

As a rule of thumb an air conditioner needs 20 btu for each square foot of. 1 ton 11956 14 btu per hour 9. To size your mini split air conditioner. Then add the square footage for each room together.

Simply measure the length and width of a room and figure the square footage. Choosing the right sized air conditioner can be as easy as using a tape measure and a little mathematics. Many factors go into calculating btus so we have put together a set of tools to help with air conditioner sizing. Air conditioner btu chart.

1 btu hr 0 293 watts 8.