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Heaters

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Tankless Water Heaters
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Number of Zones Learn More
Number of Zones
A zone is a room or area within a building that has its own temperature control.
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Type
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DOE Heating Capacity (BTU) Learn More
DOE Heating Capacity (BTU)
Also referred to as Gross Output, this is the output of a boiler after accounting for combustion efficiency. We recommend sizing hot water boilers based on the DOE Heating Capacity.
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Net I=B=R Capacity (BTU) Learn More
Net I=B=R Capacity (BTU)
I=B=R, also referred to as Net Output or AHRI Capacity, is the rated heat output of a boiler after accounting for combustion efficiency, piping loss, and an extra pickup factor. We recommend sizing steam boilers based on the I=B=R rating.
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Heating BTU
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Cooling BTU
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Capacity (Tons) Learn More
Capacity (Tons)
Tonnage, or tons of cooling, is a short hand method for describing the capacity of cooling equipment. One ton is equal to approximately 12 kBTU/hr.
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Maximum Number of Zones
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Maximum Input Capacity (BTU) Learn More
Maximum Input Capacity (BTU)
The Maximum Input Capacity describes how quickly the appliance will use fuel when delivering it's maximum capacity. The units may change depending on the fuel being used.
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AFUE (%) Learn More
AFUE (%)
AFUE (Annual Fuel Utilization Efficiency) measures the efficiency of combustion equipment over the entire heating season, and is calculated by dividing the amount of energy that is actually heating your home by the total energy contained in the fuel used by the boiler/furnace.
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Efficiency (%)
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Style
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Refrigerant Type
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Learn More About Williams 2203821-SDacw-sale-badge
Williams Direct-Vent - 22K BTU - Gas Direct-Vent Wall Furnace - LP - 67% AFUE (Scratch and Dent)
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Item#: 163486
Model#: 2203821-SD
Brand: Williams
$1,006.40
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Only 1 In-Stock
Williams Direct-Vent - 22K BTU - Gas Direct-Vent Wall Furnace - LP - 67% AFUE (Scratch and Dent)
Learn More About Weil-McLain 383200000acw-sale-badge
Weil-McLain Simplicity 110-C - 110K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
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Item#: 163645
Model#: 383200000
Brand: Weil-McLain
$3,000.00
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Weil-McLain Simplicity 110-C - 110K BTU - 95% AFUE - Combi Gas Boiler - Direct Vent
Learn More About Goodman GRVT960403BNacw-sale-badge
Goodman GRVT96 - 40k BTU - Two-Stage Gas Furnace - 96% AFUE - R-32
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High Efficiency Upflow/Horizontal Blower with 1200 Max CFM. Natural Gas with Low NOx Emissions. 17.5 Cabinet Width.
Item#: 163526
Model#: GRVT960403BN
Brand: Goodman
Originally $2,095.12
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Goodman GRVT96 - 40k BTU - Two-Stage Gas Furnace - 96% AFUE - R-32
Learn More About Modine PDP200AE0130acw-sale-badge
Modine PDP - 200,000 BTU - Unit Heater - NG - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
5.0 out of 5 stars 5.0 out of 5 stars
(2)
Modine - PDP200AE0130 - 200,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48535
Model#: PDP200AE0130
Brand: Modine
$1,854.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Modine PDP - 200,000 BTU - Unit Heater - NG - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Learn More About Williams 3509622Aacw-sale-badge
Williams Monterey - 35,000 BTU - Gas Fired Wall Furnace - NG - 66% AFUE - Single Sided
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Item#: 100047
Model#: 3509622A
Brand: Williams
$941.00
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In-Stock
Williams Monterey - 35,000 BTU - Gas Fired Wall Furnace - NG - 66% AFUE - Single Sided
Learn More About Modine PDP200AE0185acw-sale-badge
Modine PDP - 200,000 BTU - Unit Heater - LP - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
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Modine - PDP200AE0185 - 200,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48533
Model#: PDP200AE0185
Brand: Modine
$1,854.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
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Modine PDP - 200,000 BTU - Unit Heater - LP - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Learn More About Modine PDP150AE0130acw-sale-badge
Modine PDP - 150,000 BTU - Unit Heater - NG - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
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Modine - PDP150AE0130 - 150,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48527
Model#: PDP150AE0130
Brand: Modine
$1,657.00
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In-Stock
Modine PDP - 150,000 BTU - Unit Heater - NG - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Learn More About Williams 2509622Aacw-sale-badge
Williams Monterey - 25,000 BTU - Gas Fired Wall Furnace - NG - 70% AFUE - Single Sided
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Item#: 100045
Model#: 2509622A
Brand: Williams
$883.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
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Free Lift Gate
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Williams Monterey - 25,000 BTU - Gas Fired Wall Furnace - NG - 70% AFUE - Single Sided
Learn More About Ecostyle ECS243222CVacw-sale-badge
Ecostyle - 6,069 BTU - Hot Water Panel Radiator - 24"H x 32"W - White
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Ecostyle - B-24.32 ECO - 6,069 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 24"H x 32"W - White
Item#: 24159
Model#: ECS243222CV
Brand: Ecostyle
Sale: $407.00
On Sale Through 03/31
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Factory-Direct
Ecostyle - 6,069 BTU - Hot Water Panel Radiator - 24"H x 32"W - White
Learn More About Williams 5009622Aacw-sale-badge
Williams Monterey - 50,000 BTU - Gas Fired Wall Furnace - NG - 70% AFUE - Double Sided
4.5 out of 5 stars 4.5 out of 5 stars
(2)
Item#: 100049
Model#: 5009622A
Brand: Williams
$1,278.00
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Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Williams Monterey - 50,000 BTU - Gas Fired Wall Furnace - NG - 70% AFUE - Double Sided
Learn More About Modine PDP150AE0185acw-sale-badge
Modine PDP - 150,000 BTU - Unit Heater - LP - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
5.0 out of 5 stars 5.0 out of 5 stars
(1)
Modine - PDP150AE0185 - 150,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48525
Model#: PDP150AE0185
Brand: Modine
$1,657.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Modine PDP - 150,000 BTU - Unit Heater - LP - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Learn More About Modine PDP400AE0130acw-sale-badge
Modine PDP - 400,000 BTU - Unit Heater - NG - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
5.0 out of 5 stars 5.0 out of 5 stars
(1)
Modine - PDP400AE0130 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48551
Model#: PDP400AE0130
Brand: Modine
$2,959.00
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Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Modine PDP - 400,000 BTU - Unit Heater - NG - 83% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller
Learn More About Reznor UDXC-100acw-sale-badge
Reznor UDXC - 105,000 BTU - Power Vented Gas Fired Unit Heater - Low Static Axial Fan - NG - TCORE2® Heat Exchanger - LP Convertible
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Reznor - UDXC-100 - 105,000 BTU - Gas Fired Unit Heater - Power Vented - Natural Gas - Aluminized Heat Exchanger - 1,345 CFM - 115V
Item#: 157235
Model#: UDXC-100
Brand: Reznor
$1,475.00
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*This product qualifies for Free Shipping anywhere in the contiguous US. Accessories may ship separately. Items over 100lbs shipped via semi-truck, be sure to select "Lift Gate" to lower the product to the ground curbside. Remote area surcharges map apply, see our full shipping policy for more details.
Free Lift Gate
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Free Lift Gate
*This product qualifies for Free Lift Gate Service. Items over 100lbs normally ship via semi-truck. Select this service if you need the product lowered to the ground curbside. To learn more about Lift Gate Service, read our shipping policy.
In-Stock
Reznor UDXC - 105,000 BTU - Power Vented Gas Fired Unit Heater - Low Static Axial Fan - NG - TCORE2® Heat Exchanger - LP Convertible
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