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Low Profile, Bottom Air Outlet, Natural Gas / LP

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.
GO
This calculator is for estimating capacity only, and does not give exact equipment capacities for your home.
Displaying 1-12 of 12 results
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  • Rinnai ES38-N

    38,400 BTU Direct Vent, 80% Efficiency, Natural Gas Wall Furnace

    $1,866.99 Free Shipping
    (1 Review)
  • Rinnai ES38-P

    36,500 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    popular
    $1,592.99 Free Shipping
    (1 Review)
  • Rinnai ES38W-N

    38,400 BTU Direct Vent, 80% Efficiency, Natural Gas, White Wall Furnace

    $1,659.99 Free Shipping
    (1 Review)
  • Rinnai ES38W-P

    36,500 BTU Direct Vent, 82% Efficiency, Liquid Propane, White Wall Furnace

    $1,636.99 Free Shipping
    (1 Review)
  • Rinnai EX08CN

    8,000 BTU Direct Vent, 82% Efficiency, Natural Gas Wall Furnace

    $ 856.99 Free Shipping
    (4 Reviews)
  • Rinnai EX08CP

    8,000 BTU Direct Vent, 83% Efficiency, Liquid Propane Wall Furnace

    $ 856.99 Free Shipping
    (4 Reviews)
  • Rinnai EX11CN

    11,000 BTU Direct Vent, 81% Efficiency, Natural Gas Wall Furnace

    $1,005.99 Free Shipping
    (4 Reviews)
  • Rinnai EX11CP

    11,000 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    $1,005.99 Free Shipping
    (4 Reviews)
  • Rinnai EX17CN

    16,700 BTU Direct Vent, 81% Efficiency, Natural Gas Wall Furnace

    $1,206.99 Free Shipping
    (4 Reviews)
  • Rinnai EX17CP

    16,700 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    $1,206.99 Free Shipping
    (4 Reviews)
  • Rinnai EX22CN

    21,500 BTU Direct Vent, 81% Efficiency, Natural Gas Wall Furnace

    popular
    $1,271.99 Free Shipping
    (4 Reviews)
  • Rinnai EX22CP

    20,700 BTU Direct Vent, 82% Efficiency, Liquid Propane Wall Furnace

    popular
    $1,321.99 Free Shipping
    (4 Reviews)

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.