What are BTUs for Air Conditioners?

BTU stands for British Thermal Unit and is the rating used for air conditioners. A BTU is defined by the quantity of heat required to raise the temperature of one pound of water one degrees Fahrenheit.

The higher the BTU, the larger space the room air conditioner will cool. Use this helpful guide below to decide which BTU is right for your area:

  • 5k BTU: 150 Sq. Ft.
  • 10k BTU: 450 Sq. Ft.
  • 15k BTU: 850 Sq. Ft.
  • 22k BTU: 1,300 Sq. Ft.
  • 28k BTU: 1,900 Sq. Ft.
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