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BTU Needs

Our professional certified HAVC experts can help you decide and determine your needs. Click here if you would like us to take care of your cooling/heating needs and one of our experts will contact you to provide you with a solution that fits your needs and budget. Start here.

What is BTU?
BTU stands for "British Thermal Unit." It is a measurement of heat, and each individual unit represents the amount of heat required to raise 1 lb. of water 1 degree F. Each BTU is equivalent to roughly 252 calories of energy. Calculating BTU requirements is essential for minimizing your energy costs while providing you the optimal heating/cooling you need for your space.

The table below gives recommended air conditioning BTU's necessary to cool a single room. The data in the table assumes that the ceiling over the room is insulated and that the room is not over or is not itself a special heat-producing area such as a kitchen or boiler room.

Recommended Air Conditioner BTUs
Number of
Rooms
Cooled
Room Area
MINimum
sq.ft.
Room Area
MAXimum
sq.ft.
BTUs
Needed
One . 100 4,000 - 6,000
One 100 180 6,000 - 7,500
One 180 270 7,500 - 9,000
One 270 400 9,000 - 10,500
Several . 400 10,500 - 12,000
Several 400 500 12,000 - 13,500
Several 500 700 13,500 - 15,000
Several 700 800 15,000 - 16,500
Large Areas . 900 16,500 - 18,000
Large Areas 900 1000 18,000 - 19,500
Large Areas 1,000 1,100 19,500 - 21,000
Large Areas 1,000 1,100 19,500 - 21,000
Large Areas 1,100 1,200 12,000 - 22,500
Large Areas 1,200 1,500 22,500 - 24,000
Large Areas 1,500 1,700 24,000 - 25,500
Large Areas 1,700 1,900 25,500 - 27,000
Large Areas 1,900 2,200 27,000 - 28,500

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