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Natural Gas / Propane (LP) Fuel, Furnaces

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.
Displaying 1-24 of 172 results
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  • Blueridge BG951UH045BE12

    45,000 BTU Furnace, 95% Efficiency, Single-Stage Burner, 1,200 CFM High Efficiency Blower, Upflow/Horizontal Flow Application

    $904.00 Free Shipping
    Pre-order
    (126 Reviews)
  • Blueridge BG951UH070BE12

    70,000 BTU Furnace, 95% Efficiency, Single-Stage Burner, 1,200 CFM High Efficiency Blower, Upflow/Horizontal Flow Application

    Best Seller
    $963.00 Free Shipping
    Pre-order
    (126 Reviews)
  • Blueridge BG951UH090CE16

    90,000 BTU Furnace, 95% Efficiency, Single-Stage Burner, 1,600 CFM High Efficiency Blower, Upflow/Horizontal Flow Application

    $1,121.00 Free Shipping
    In Stock
    (126 Reviews)
  • Blueridge BG951UH110CE20

    110,000 BTU Furnace, 95% Efficiency, Single-Stage Burner, 2,000 CFM High Efficiency Blower, Upflow/Horizontal Flow Application

    $1,245.00 Free Shipping
    In Stock
    (126 Reviews)
  • Blueridge BG801UH070BE12

    70,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM High Efficiency Blower, Upflow/Horizontal Flow Application

    Best Seller
    $679.00 Free Shipping
    Pre-order
    (80 Reviews)
  • Blueridge BG801UH090BE16

    90,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,600 CFM High-Efficiency Blower, Upflow/Horizontal Flow Application

    $738.00 Free Shipping
    In Stock
    (80 Reviews)
  • Blueridge BG801UH090CE20

    90,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM High-Efficiency Blower, Upflow/Horizontal Flow Application

    $779.00 Free Shipping
    In Stock
    (80 Reviews)
  • Blueridge BG801UH110CE20

    110,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2,000 CFM High Efficiency Blower, Upflow/Horizontal Flow Application

    $819.00 Free Shipping
    In Stock
    (80 Reviews)
  • Goodman GMES800603AN

    60,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    Best Seller
    $671.00 Free Shipping
    In Stock
    Add to Cart for Discount
    (84 Reviews)
  • Goodman GMES800804BN

    80,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1600 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $762.00 Free Shipping
    In Stock
    (84 Reviews)
  • Goodman GMES800805CN

    80,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $804.00 Free Shipping
    In Stock
    (84 Reviews)
  • Goodman GMES801005CN

    100,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 2000 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $845.00 Free Shipping
    In Stock
    Add to Cart for Discount
    (84 Reviews)
  • Blueridge BG952UH070BV12

    70,000 BTU Furnace, 95% Efficiency, Two-Stage Burner, 1,200 CFM Variable-Speed Blower, Upflow/Horizontal Flow Application

    $1,597.00 Free Shipping
    In Stock
    (21 Reviews)
  • Blueridge BG952UH090CV12

    90,000 BTU Furnace, 95% Efficiency, Two-Stage Burner, 1,200 CFM Variable-Speed Blower, Upflow/Horizontal Flow Application

    $1,631.00 Free Shipping
    In Stock
    (21 Reviews)
  • Blueridge BG952UH090CV20

    90,000 BTU Furnace, 95% Efficiency, Two-Stage Burner, 2,000 CFM Variable-Speed Blower, Upflow/Horizontal Flow Application

    $1,782.00 Free Shipping
    In Stock
    (21 Reviews)
  • Blueridge BG952UH110CV20

    110,000 BTU Furnace, 95% Efficiency, Two-Stage Burner, 2,000 CFM Variable-Speed Blower, Upflow/Horizontal Flow Application

    $1,851.00 Free Shipping
    In Stock
    (21 Reviews)
  • Blueridge BG961UH045BE12

    45,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 1,200 CFM High Efficiency Multi-Speed Blower, Upflow/Horizontal Flow Application

    $962.00 Free Shipping
    Pre-order
    (14 Reviews)
  • Blueridge BG961UH070BE12

    70,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 1,200 CFM High Efficiency Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,025.00 Free Shipping
    Pre-order
    (14 Reviews)
  • Blueridge BG961UH090CE16

    90,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 1,600 CFM High Efficiency Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,254.00 Free Shipping
    In Stock
    (14 Reviews)
  • Blueridge BG961UH110CE20

    110,000 BTU Furnace, 96% Efficiency, Single-Stage Burner, 2,000 CFM High Efficiency Multi-Speed Blower, Upflow/Horizontal Flow Application

    $1,325.00 Free Shipping
    In Stock
    (14 Reviews)
  • Blueridge BG801UH045AE12

    45,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $602.00 Free Shipping
    In Stock
    (80 Reviews)
  • Blueridge BG801UH070AE12

    70,000 BTU Furnace, 80% Efficiency, Single-Stage Burner, 1,200 CFM Multi-Speed Blower, Upflow/Horizontal Flow Application

    $642.00 Free Shipping
    Pre-order
    (80 Reviews)
  • Blueridge BG802UH070AV12

    70,000 BTU Furnace, 80% Efficiency, Two-Stage Burner, 1,200 CFM Variable-Speed Blower, Upflow/Horizontal Flow Application

    $874.00 Free Shipping
    In Stock
    (80 Reviews)
  • Blueridge BG802UH090BV16

    90,000 BTU Furnace, 80% Efficiency, Two-Stage Burner, 1,600 CFM Variable-Speed Blower, Upflow/Horizontal Flow Application

    $956.00 Free Shipping
    In Stock
    (80 Reviews)