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    95% Afue 100,000 BTU 2-Stage Upflow/Horizontal Residential Natural Gas Furnace

    95% Afue 100,000 BTU 2-Stage Upflow/Horizontal Residential Natural Gas Furnace

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    The KG7TC series gas furnaces are 2-stage with DC (ECM) blower motors, and are designed for upflow a horizontal applications. They are built using proven components for reliable performance while offering high efficiency operation, and deliver maximum... more

    $1,857.59

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    95% Afue 90,000 BTU Downflow Residential Natural Gas Furnace

    95% Afue 90,000 BTU Downflow Residential Natural Gas Furnace

    Free Shipping on Over 500K Items!

    The KG7SM series gas furnaces are single-stage with adjustable fixed-speed blower motors, and are designed for downflow only applications. They are built using proven components for reliable performance while offering high efficiency operation to meet... more

    $1,798.43

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    95% Afue 80,000 BTU 2-Stage Upflow/Horizontal Residential Natural Gas Furnace

    95% Afue 80,000 BTU 2-Stage Upflow/Horizontal Residential Natural Gas Furnace

    Free Shipping on Over 500K Items!

    The KG7TC series gas furnaces are 2-stage with DC (ECM) blower motors, and are designed for upflow a horizontal applications. They are built using proven components for reliable performance while offering high efficiency operation, and deliver maximum... more

    $1,808.15

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    95% Afue 54,000 BTU Downflow Residential Natural Gas Furnace

    95% Afue 54,000 BTU Downflow Residential Natural Gas Furnace

    Free Shipping on Over 500K Items!

    The KG7SM series gas furnaces are single-stage with adjustable fixed-speed blower motors, and are designed for downflow only applications. They are built using proven components for reliable performance while offering high efficiency operation to meet... more

    $1,567.17

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    32,765 BTU 2 Ton Multi-Positional Electric Furnace

    32,765 BTU 2 Ton Multi-Positional Electric Furnace

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    The WMP Series residential electric forced-air furnaces are the perfect choice for new and replacement installations. The compact, multi-positional, modular design allows the unit to be installed in up flow, down flow, and horizontal applications and... more

    $767.00

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    Face Panel Replacement for Monterey Top-Vent Gravity Wall Furnaces

    Face Panel Replacement for Monterey Top-Vent Gravity Wall Furnaces

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    Give your furnace a fresh look with the Williams Face Panel Replacement for Monterey Furnaces. The furnace cover is constructed with heavy-gauge metal for long-lasting use, and the soft white finish offers a classic look. more

    $156.05

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    80,000 BTU 80% Multi-Positional Gas Furnace

    80,000 BTU 80% Multi-Positional Gas Furnace

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    Ideal for new or replacement residential or commercial installations. The W8M Series 80% efficiency multi-positional gas furnaces have a 33 in. tall cabinet and are designed for installation in up-flow, down-flow, and horizontal applications. These... more

    $1,023.30

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    92.1 Percent Afue 38,000 BTU Upflow/Horizontal Residential Gas Furnace

    92.1 Percent Afue 38,000 BTU Upflow/Horizontal Residential Gas Furnace

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    Ideal for new or replacement residential or commercial installations. The 38,000 BTU Input KG7SC Series 92.1 percent efficiency residential gas furnace has a 34 1/2 in. tall cabinet and is designed for installation in up-flow and horizontal... more

    $1,220.65

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    92.1 Percent Afue 90,000 BTU Upflow/Horizontal Residential Gas Furnace

    92.1 Percent Afue 90,000 BTU Upflow/Horizontal Residential Gas Furnace

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    Ideal for new or replacement residential or commercial installations. The 90,000 BTU Input KG7SC Series 92.1 percent efficiency residential gas furnace has a 34 1/2 in. tall cabinet and is designed for installation in up-flow and horizontal... more

    $1,511.29

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    GUH Series 80% 108,000 BTU Input 86,400 BTU Output Natural Gas Forced Hot Air Furnace

    GUH Series 80% 108,000 BTU Input 86,400 BTU Output Natural Gas Forced Hot Air Furnace

    Free Shipping on Over 500K Items!

    At just 34-1/2 in. high, our 80 percent space-saving furnace is ideally suited to both new construction and replacements. Models can fit into the space of virtually any furnace being replaced, including attics, crawl spaces and utility closets. Because... more

    $1,092.00

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    GUH Series 95% 60,000 BTU 2-Stage Upflow Natural Gas Furnace

    GUH Series 95% 60,000 BTU 2-Stage Upflow Natural Gas Furnace

    Free Shipping on Over 500K Items!

    Two heat exchangers make this one of the most efficient furnaces on the market today. The primary exchanger pulls about three-quarters of the available heat from the burner then the secondary heat exchanger captures most of what’s remaining. Using 95%... more

    $2,095.87

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    GUH Series 92% 90,000 BTU Single Stage Upflow Natural Gas Furnace

    GUH Series 92% 90,000 BTU Single Stage Upflow Natural Gas Furnace

    Free Shipping on Over 500K Items!

    Two heat exchangers make this one of the most efficient furnaces on the market today. The primary exchanger pulls about three-quarters of the available heat from the burner then the secondary heat exchanger captures most of what’s remaining. Using 92%... more

    $1,675.80

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    GUH Series 92% 120,000 BTU Single Stage Upflow Natural Gas Furnace

    GUH Series 92% 120,000 BTU Single Stage Upflow Natural Gas Furnace

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    Two heat exchangers make this one of the most efficient furnaces on the market today. The primary exchanger pulls about three-quarters of the available heat from the burner then the secondary heat exchanger captures most of what’s remaining. Using 92%... more

    $1,902.22

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    95% Afue 60,000 BTU 2-Stage Upflow/Horizontal Residential Natural Gas Furnace

    95% Afue 60,000 BTU 2-Stage Upflow/Horizontal Residential Natural Gas Furnace

    Free Shipping on Over 500K Items!

    The KG7TC series gas furnaces are 2-stage with DC (ECM) blower motors, and are designed for upflow a horizontal applications. They are built using proven components for reliable performance while offering high efficiency operation, and deliver maximum... more

    $1,705.97

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    95% Afue 72,000 BTU Downflow Residential Natural Gas Furnace

    95% Afue 72,000 BTU Downflow Residential Natural Gas Furnace

    Free Shipping on Over 500K Items!

    The KG7SM series gas furnaces are single-stage with adjustable fixed-speed blower motors, and are designed for downflow only applications. They are built using proven components for reliable performance while offering high efficiency operation to meet... more

    $1,620.79

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    65,530 BTU 4 Ton Multi-Positional Electric Furnace

    65,530 BTU 4 Ton Multi-Positional Electric Furnace

    Free Shipping on Over 500K Items!

    The WMP Series residential electric forced-air furnaces are the perfect choice for new and replacement installations. The compact, multi-positional, modular design allows the unit to be installed in up flow, down flow, and horizontal applications and... more

    $980.50

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    50,000 BTU/hr Monterey Top-Vent Gravity Wall Furnace Natural Gas Heater with Wall or Cabinet-Mounted Thermostat, White

    50,000 BTU/hr Monterey Top-Vent Gravity Wall Furnace Natural Gas Heater with Wall or Cabinet-Mounted Thermostat, White

    Free Shipping on Over 500K Items!

    The Williams Furnace Co. Monterey 50,000 BTU Natural Gas Top-Vent Wall Furnace is designed to be installed in the wall between 2 adjacent rooms. This wall furnace is equipped with an automatic thermostat that can be mounted on the wall or on the... more

    $711.00

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    Liquid Propane Conversion Kit for GUH Hot Air Furnaces

    Liquid Propane Conversion Kit for GUH Hot Air Furnaces

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    This kit allows the Century GUH Series Hot Air Furnaces to be converted from Natural Gas to Propane (LP) Gas. Complete kit with orifices and installation instructions. Conversion alert label included. more

    $63.56

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    29,000 BTU/Hr Direct-Vent High-Efficiency Wall Furnace Propane Heater, White

    29,000 BTU/Hr Direct-Vent High-Efficiency Wall Furnace Propane Heater, White

    Free Shipping on Over 500K Items!

    Great for use during power outages or where electricity isn't available, the Williams 39-5/8 in. x 28-1/8 in. 29,000 BTU Direct-Vent Propane Wall Furnace is fueled by propane gas to produce powerful heating. With a built-in thermostat, this wall heater... more

    $2,134.63

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    92.1 Percent Afue 54,000 BTU Upflow/Horizontal Residential Gas Furnace

    92.1 Percent Afue 54,000 BTU Upflow/Horizontal Residential Gas Furnace

    Free Shipping on Over 500K Items!

    Ideal for new or replacement residential or commercial installations. The 54,000 BTU Input KG7SC Series 92.1 percent efficiency residential gas furnace has a 34 1/2 in. tall cabinet and is designed for installation in up-flow and horizontal... more

    $1,361.64

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    92.1 Percent Afue 108,000 BTU Upflow/Horizontal Residential Gas Furnace

    92.1 Percent Afue 108,000 BTU Upflow/Horizontal Residential Gas Furnace

    Free Shipping on Over 500K Items!

    Ideal for new or replacement residential or commercial installations. The 108,000 BTU Input KG7SC Series 92.1 percent efficiency residential gas furnace has a 34 1/2 in. tall cabinet and is designed for installation in up-flow and horizontal... more

    $1,523.92

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    GUH Series 95% 100,000 BTU 2-Stage Upflow Natural Gas Furnace

    GUH Series 95% 100,000 BTU 2-Stage Upflow Natural Gas Furnace

    Free Shipping on Over 500K Items!

    Two heat exchangers make this one of the most efficient furnaces on the market today. The primary exchanger pulls about three-quarters of the available heat from the burner then the secondary heat exchanger captures most of what’s remaining. Using 95%... more

    $2,548.70

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    95% Afue 120,000 BTU 2-Stage Upflow/Horizontal Residential Natural Gas Furnace

    95% Afue 120,000 BTU 2-Stage Upflow/Horizontal Residential Natural Gas Furnace

    Free Shipping on Over 500K Items!

    The KG7TC series gas furnaces are 2-stage with DC (ECM) blower motors, and are designed for upflow a horizontal applications. They are built using proven components for reliable performance while offering high efficiency operation, and deliver maximum... more

    $2,045.47

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    59,045 BTU 3 Ton Multi-Positional Electric Furnace

    59,045 BTU 3 Ton Multi-Positional Electric Furnace

    Free Shipping on Over 500K Items!

    The WMP Series residential electric forced-air furnaces are the perfect choice for new and replacement installations. The compact, multi-positional, modular design allows the unit to be installed in up flow, down flow, and horizontal applications and... more

    $904.00

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    59,045 BTU 4 Ton Multi-Positional Electric Furnace

    59,045 BTU 4 Ton Multi-Positional Electric Furnace

    Free Shipping on Over 500K Items!

    The WMP Series residential electric forced-air furnaces are the perfect choice for new and replacement installations. The compact, multi-positional, modular design allows the unit to be installed in up flow, down flow, and horizontal applications and... more

    $961.00

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    Patriot 80 84% Afue 72,000 BTU Output Oil Highboy Hot Air Furnace

    Patriot 80 84% Afue 72,000 BTU Output Oil Highboy Hot Air Furnace

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    The Patriot 80 oil furnace is exceptionally efficient and versatile thanks to its powerful heat exchanger that maximizes energy usage to minimize utility costs. Models feature multiple firing rates and capacities ranging from 58,000 to 196,000 BTUH,... more

    $1,735.79

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    Patriot 80 84% Afue 95,000 BTU Output Lowboy Rear Flue Oil Furnace

    Patriot 80 84% Afue 95,000 BTU Output Lowboy Rear Flue Oil Furnace

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    The Patriot 80 by Century oil furnace is exceptionally efficient and versatile thanks to its powerful heat exchanger that maximizes energy usage to minimize utility costs. Models feature multiple firing rates. AFUE rating is 83%. more

    $1,991.26

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    84% Afue 95,000 BTU Output Downflow/Horizontal Rear Flue Oil Furnace

    84% Afue 95,000 BTU Output Downflow/Horizontal Rear Flue Oil Furnace

    Free Shipping on Over 500K Items!

    The Patriot 80 by Century oil furnace is exceptionally efficient and versatile thanks to its powerful heat exchanger that maximizes energy usage to minimize utility costs. Models feature multiple firing rates. AFUE rating is 83%. more

    $2,208.05

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    60,000 BTU 95.5% Multi-Positional Gas Furnace

    60,000 BTU 95.5% Multi-Positional Gas Furnace

    Free Shipping on Over 500K Items!

    Ideal for new or replacement residential or commercial installations. The 60,000 BTU W9M Series 95.5% efficiency multi-positional gas furnaces have a 33 in. tall cabinet and are designed for installation in up-flow, down-flow, and horizontal... more

    $1,414.80

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    60,000 BTU 96% 2-Stage Variable Speed Multi-Positional Gas Furnace

    60,000 BTU 96% 2-Stage Variable Speed Multi-Positional Gas Furnace

    Free Shipping on Over 500K Items!

    Ideal for new or replacement residential or commercial installations. The 60,000 BTU W9V Series 96% efficiency 2-stage, multi-positional, variable speed gas furnaces have a 33 in. tall cabinet and are designed for installation in up-flow, down-flow,... more

    $2,187.34

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    35,000 BTU/hr Forsaire Counterflow Top-Vent Natural Gas Wall Furnace Heater, White

    35,000 BTU/hr Forsaire Counterflow Top-Vent Natural Gas Wall Furnace Heater, White

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    The Williams Forsaire 14-1/8 in. x 72-1/2 in. 35,000 BTU Natural Gas Top-Vent Wall Furnace is great for heating interior spaces larger than 900 sq. ft. Occupying just over 1 sq. ft. of floor space, it may be surface-mounted or installed recessed in a... more

    $1,367.71

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    92.1 Percent Afue 72,000 BTU Upflow/Horizontal Residential Gas Furnace

    92.1 Percent Afue 72,000 BTU Upflow/Horizontal Residential Gas Furnace

    Free Shipping on Over 500K Items!

    Ideal for new or replacement residential or commercial installations. The 72,000 BTU Input KG7SC Series 92.1 percent efficiency residential gas furnace has a 34 1/2 in. tall cabinet and is designed for installation in up-flow and horizontal... more

    $1,423.50

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    GUH Series 95% 108,000 BTU Input 102,600 BTU Output Natural Gas Forced Hot Air Furnace

    GUH Series 95% 108,000 BTU Input 102,600 BTU Output Natural Gas Forced Hot Air Furnace

    Free Shipping on Over 500K Items!

    Two heat exchangers make this one of the most efficient furnaces on the market today. Using 95 Percent or more of the heat output from each cubic foot of gas. This furnace produces not just greater comfort, but also significant fuel savings. more

    $2,219.84

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    GUH Series 95% 90,000 BTU Input 85,500 BTU Output Natural Gas Forced Hot Air Furnace

    GUH Series 95% 90,000 BTU Input 85,500 BTU Output Natural Gas Forced Hot Air Furnace

    Free Shipping on Over 500K Items!

    Two heat exchangers make this one of the most efficient furnaces on the market today. Using 95 Percent or more of the heat output from each cubic foot of gas. This furnace produces not just greater comfort, but also significant fuel savings. more

    $2,097.76

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    GUH Series 95% 120,000 BTU Input 114,000 BTU Output Natural Gas Forced Hot Air Furnace

    GUH Series 95% 120,000 BTU Input 114,000 BTU Output Natural Gas Forced Hot Air Furnace

    Free Shipping on Over 500K Items!

    Two heat exchangers make this one of the most efficient furnaces on the market today. Using 95 Percent or more of the heat output from each cubic foot of gas. This furnace produces not just greater comfort, but also significant fuel savings. more

    $2,345.28

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    95% Afue 118,000 BTU Downflow Residential Natural Gas Furnace

    95% Afue 118,000 BTU Downflow Residential Natural Gas Furnace

    Free Shipping on Over 500K Items!

    The KG7SM series gas furnaces are single-stage with adjustable fixed-speed blower motors, and are designed for downflow only applications. They are built using proven components for reliable performance while offering high efficiency operation to meet... more

    $1,885.57

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    80% Afue 72,000 BTU Upflow/Horizontal Residential Natural Gas Furnace

    80% Afue 72,000 BTU Upflow/Horizontal Residential Natural Gas Furnace

    Free Shipping on Over 500K Items!

    The KG7SA series gas furnaces are single-stage with adjustable fixed-speed blower motors, and are designed for upflow and horizontal applications. They are built using proven components for reliable performance while meeting basic heating needs at the... more

    $1,008.57

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    80% Afue 135,000 BTU Multi-Position Multi-Speed Gas Furnace with LP Kit

    80% Afue 135,000 BTU Multi-Position Multi-Speed Gas Furnace with LP Kit

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    When harsh winter weather strikes, nothing compares to the warmth and safety a powerful reliable gas furnace can provide. While furnace heating technology has been around for decades, not all systems are created equally. Some are definitely better than... more

    $769.00

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    LP Gas Conversion Kit for Williams Furnace

    LP Gas Conversion Kit for Williams Furnace

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    The Williams Furnace Co. LP Gas Conversion Kit for Williams Furnace Model 5009622 contains easy-to-follow instructions. The kit includes the necessary components for converting a Williams natural gas furnace to propane. A conversion certificate and... more

    $45.00

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    80,000 BTU 96% 2-Stage Variable Speed Multi-Positional Gas Furnace

    80,000 BTU 96% 2-Stage Variable Speed Multi-Positional Gas Furnace

    Free Shipping on Over 500K Items!

    Ideal for new or replacement residential or commercial installations. The 80,000 BTU W9V Series 96% efficiency 2-stage, multi-positional, variable speed gas furnaces have a 33 in. tall cabinet and are designed for installation in up-flow, down-flow,... more

    $2,399.99

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    More information about Heaters

    Best prices on Home furnaces in Heaters. Check out Bizrate for great deals on popular brands like Comfort Glow, Empire and Hamilton. Use Bizrate's latest online shopping features to compare prices. Read product specifications, calculate tax and shipping charges, sort your results, and buy with confidence. Easily narrow your search and find the product that's perfect for you.