Air Conditioner Btu Per Square Foot

Cooling capacity is shown in british thermal units btus per hour.

Air conditioner btu per square foot.

1 btu hr 0 293 watts 8. Choosing the right sized air conditioner can be as easy as using a tape measure and a little mathematics. 1 watt is approximately 3 412 btu per hour. The british thermal unit or btu is an energy unit.

Air conditioner btu chart. Each air conditioner or heater is rated to produce a certain number of btus. 1 btu 1 055 joules 252 calories 0 293 watt hour or the energy released by burning one match. 1400 1500 square feet 24000 btu per hour.

Rather size is a measure of its capacity to generate cool air. 700 1000 square feet 18000 btu per hour 12. But for most houses 20 to 22 btu per square foot will do. The chart below is a great starting point for sizing your ac.

For example take a 4 000 btu hour air conditioner run for 1 000 hours during an operating year using 400 000 watt hours of electric power. 1 btu the amount of energy needed to raise 1 pound of water by 1 degree f. 1 watt 3 412 btu per hour 6. Many factors go into calculating btus so we have put together a set of tools to help with air conditioner sizing.

It is approximately the energy needed to heat one pound of water by 1 degree fahrenheit. Air conditioning unit sizes are measured in tonnage as well as btu british thermal unit per hour. 1 ton 12 000 btus per hour or the amount of energy it takes to melt 1 ton of ice in a day. What is a btu.

1 horsepower 2544 4342 btu hour 10. 1 square meter 10 76 square feet 5. As a rule of thumb an air conditioner needs 20 btu for each square foot of. 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.

This air conditioner would have a seer rating of 10 since 4 000 x 1 000 400 000 10. This air conditioner room size calculator also known as an ac btu calculator will help you decide what size of air conditioner to buy so you can be efficiently cool or heat your room of course the choice of brand and air conditioner type still depends on you. Let s say it is a 10 foot by 15 foot room. Such as the height of the ceiling and number of windows.

40 000 to 45 000 btu should do. Many factors figure in other than square footage. To find the average power consumption divide the unit s power in btus per hour by the seer rating. This air conditioner calculator can only provide you the recommended output power of the ac in british thermal units per hour btu.

1 ton 11956 14 btu per hour 9. Window air conditioners typically have a cooling capacity ranging from 5 000 to 12 500 british thermal units btu hr. Simply measure the length and width of a room and figure the square footage.