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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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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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Learn More About Modine 32161acw-sale-badge
Modine Horizontal Concentric Vent Kit - 4" Vent Diameter
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Modine - 32161 - Horizontal Concentric Vent Kit - Non-Condensing Unit Heaters - For Modine HDS30, HDS45, HDS60, HDS75, HDS100, HDS125, HDC30, HDC45, HDC60, HDC75, HDC100, HDC125, PTS150, PTS175, PTS200, BTS150, BTS175, and BTS200 Unit Heaters.
Item#: 48410
Model#: 32161
Brand: Modine
$285.00
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Modine Horizontal Concentric Vent Kit - 4" Vent Diameter
Learn More About Modine HD100SS0111acw-sale-badge
Modine Hot Dawg HD - 100,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
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Modine - HD100SS0111 - 100,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase
Item#: 48418
Model#: HD100SS0111
Brand: Modine
$1,480.00
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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 Hot Dawg HD - 100,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
Learn More About Modine PDP175SE0130acw-sale-badge
Modine PDP - 175,000 BTU - Unit Heater - NG - 82% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller
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Modine - PDP175SE0130 - 175,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48532
Model#: PDP175SE0130
Brand: Modine
$2,059.00
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Modine PDP - 175,000 BTU - Unit Heater - NG - 82% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller
Learn More About Modine PTP150SS0111acw-sale-badge
Modine PTP - 150,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
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Modine - PTP150SS0111 - 150,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48577
Model#: PTP150SS0111
Brand: Modine
Sale: $1,603.00
On Sale Through 04/30
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Modine PTP - 150,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
Learn More About Williams 3508232acw-sale-badge
Williams Forsaire - 35k BTU - Gas Top-Vent Wall Furnace - 75% AFUE - Intermittent Pilot
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Item#: 71197
Model#: 3508232
Brand: Williams
$1,990.00
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Williams Forsaire - 35k BTU - Gas Top-Vent Wall Furnace - 75% AFUE - Intermittent Pilot
Learn More About Weil-McLain 386701014acw-sale-badge
Weil-McLain WGO-4 - 122K BTU - 86.2% AFUE - Hot Water Oil Boiler with Taco 007 Circulator - Burner Sold Separately
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Item#: 116029
Model#: 386701014
Brand: Weil-McLain
$3,236.00
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Weil-McLain WGO-4 - 122K BTU - 86.2% AFUE - Hot Water Oil Boiler with Taco 007 Circulator - Burner Sold Separately
Learn More About Burnham CKV8H3WEC-LLWFHacw-sale-badge
Burnham V8H - 120K BTU - 86% AFUE - Hot Water Oil Boiler - Chimney Vent
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Floor Mounted, Cast Iron Boiler. Ships Knockdown. Ratings: 1.00GPH Gross Input, 120K BTU DOE Capacity, 104K BTU Net IBR Capacity.
Item#: 150661
Model#: CKV8H3WEC-LLWFH
Brand: Burnham
$2,320.00
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Burnham V8H - 120K BTU - 86% AFUE - Hot Water Oil Boiler - Chimney Vent
Learn More About Modine PTP200AS0111acw-sale-badge
Modine PTP - 200,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger
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Modine - PTP200AS0111 - 200,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 82% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 152241
Model#: PTP200AS0111
Brand: Modine
Sale: $1,629.00
On Sale Through 04/30
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Modine PTP - 200,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger
Learn More About Modine HD60AS0121acw-sale-badge
Modine Hot Dawg HD - 60,000 BTU - Unit Heater - LP - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger
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Modine - HD60AS0121 - 60,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase
Item#: 48431
Model#: HD60AS0121
Brand: Modine
Sale: $1,036.00
On Sale Through 04/30
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Free Lift Gate
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Modine Hot Dawg HD - 60,000 BTU - Unit Heater - LP - 80% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger
Learn More About Modine PDP150SE0185acw-sale-badge
Modine PDP - 150,000 BTU - Unit Heater - LP - 83% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller
5.0 out of 5 stars 5.0 out of 5 stars
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Modine - PDP150SE0185 - 150,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven Air Propulsion - 115V/60Hz/1 Phase*
Item#: 48526
Model#: PDP150SE0185
Brand: Modine
Sale: $1,778.00
On Sale Through 04/30
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Free Lift Gate
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Modine PDP - 150,000 BTU - Unit Heater - LP - 83% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller
Learn More About Ecostyle ECS162422CVacw-sale-badge
Ecostyle - 3,254 BTU - Hot Water Panel Radiator - 16"H x 24"W - White
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Ecostyle - B-16.24 ECO - 3,254 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 16"H x 24"W - White
Item#: 24150
Model#: ECS162422CV
Brand: Ecostyle
Sale: $239.00
On Sale Through 04/30
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Ecostyle - 3,254 BTU - Hot Water Panel Radiator - 16"H x 24"W - White
Learn More About Ecostyle ECS203222CVacw-sale-badge
Ecostyle - 5,221 BTU - Hot Water Panel Radiator - 20"H x 32"W - White
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Ecostyle - B-20.32 ECO - 5,221 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 20"H x 32"W - White
Item#: 24153
Model#: ECS203222CV
Brand: Ecostyle
Sale: $294.00
On Sale Through 04/30
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Ecostyle - 5,221 BTU - Hot Water Panel Radiator - 20"H x 32"W - White
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Ecostyle - 7,587 BTU - Hot Water Panel Radiator - 24"H x 40"W - White
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Ecostyle - B-24.40 ECO - 7,587 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 24"H x 40"W - White
Item#: 24162
Model#: ECS244022CV
Brand: Ecostyle
Sale: $524.00
On Sale Through 04/30
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Free Lift Gate
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Free Lift Gate
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Ecostyle - 7,587 BTU - Hot Water Panel Radiator - 24"H x 40"W - White
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Ecostyle - 12,724 BTU - Hot Water Panel Radiator - 36"H x 48"W - White
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Ecostyle - B-36.48 ECO - 12,724 BTU with a boiler supply temperature of 180 degrees F - Hydronic Panel Radiator - 36"H x 48"W - White
Item#: 24170
Model#: ECS364822CV
Brand: Ecostyle
Sale: $688.00
On Sale Through 04/30
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Free Lift Gate
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Free Lift Gate
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Ecostyle - 12,724 BTU - Hot Water Panel Radiator - 36"H x 48"W - White
Learn More About Pensotti HD24-32Dacw-sale-badge
Pensotti DD - Double Panel Wall Radiator - 24" H x 32" W - 6,619 BTU
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Item#: 31520
Model#: HD24-32D
Brand: Pensotti
$493.00
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Pensotti DD - Double Panel Wall Radiator - 24" H x 32" W - 6,619 BTU
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