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Finally pulling the trigger on a new air conditioner? We don’t blame you – it can be difficult to survive the summer months without one. But before you head out to the local home improvement store or pull up a new window online, it’s vital to understand BTUs. What are they and why are they important? Find out below!

What is a BTU?

Air conditioners are rated on an energy-efficiency system based upon the size of the room they are intended to be used is. This unit of measurement is called BTUs, or British Thermal Units.

Generally speaking, the larger the room, the higher the BTUs should be in order to cool the room efficiently. And oversized, or undersized air conditioner can actually make energy bills skyrocket.

BTU Calculator

Room Size (Feet) Area (Square Feet) Recommended BTUs
10 x 15 150 5,000
17 x 20 340 8,000
18 x 25 450 10,000
25 x 32 800 15,000
39 x 40 1,560 24,500


Additional A/C Buying Tips:

Have additional questions about how to find the right sized air conditioner? Contact the friendly staff at Levine & Sons today!

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