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Four-Zone Mini-Split Systems

BTU CALCULATOR
BTU CALCULATOR

BTU stands for "British Thermal Unit" and measures the heating or cooling capacity of a furnace or air conditioning unit. Enter your homes square footage to see how many BTU's are required to adequately heat or cool it.

Enter the square footage of your home (or room) and press Go.

Square Footage

GO
This calculator is for estimating capacity only, and does not give exact equipment capacities for your home.
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  • Friedrich MZ37TJ18-9W-9W-9W-18C

    37,400 BTU (3.1 Ton) 17.5 SEER Ductless Mini-Split Quad-Zone Heat Pump System 9WM+9WM+9WM+18C

    $3,896.99 Free Shipping

    Or as low as /mo

    (2 Reviews)