Horizontal Unit Heaters

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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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Thermal Efficiency (%)
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Vent Type Learn More
Vent Type
Products that use combustion (burning) of fuel to create heat also create potentially dangerous gasses that need to be exhausted (AKA "Vented"). Depending on the product, venting can be done via a chimney, through a side wall, or use a second vent to provide fresh air to the appliance.
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Fuel Type Learn More
Fuel Type
To create heat, some form of fuel is required. Fuel Type specifies what the product uses as an input to create heat.
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Heating Capacity (kW) (kW)
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Maximum Sound Level (dB) Learn More
Maximum Sound Level (dB)
Sound levels are measured in decibels (dB). The lower the decibel rating, the less noise the product makes. As an example, a ticking watch is 20 dB while on the other end of the scale, a lawn mower is around 90 dB.
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Maximum Air Flow (CFM)
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Learn More About Modine PTC110AS0121acw-sale-badge
Modine Effinity93 - 110,000 BTU - High Efficiency Unit Heater - LP - 93% Thermal Efficiency - Separated Combustion
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Modine - PTC110AS0121 - 110,000 BTU - Effinity93 High Efficiency Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 93% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48200
Model#: PTC110AS0121
Brand: Modine
$2,903.00
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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.
Only 2 In-Stock
Modine Effinity93 - 110,000 BTU - High Efficiency Unit Heater - LP - 93% Thermal Efficiency - Separated Combustion
Learn More About Modine PTC135AS0121acw-sale-badge
Modine Effinity93 - 135,000 BTU - High Efficiency Unit Heater - LP - 93% Thermal Efficiency - Separated Combustion
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Modine - PTC135AS0121 - 135,000 BTU - Effinity93 High Efficiency Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 93% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48204
Model#: PTC135AS0121
Brand: Modine
$3,612.00
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Free Shipping
*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.
Only 2 In-Stock
Modine Effinity93 - 135,000 BTU - High Efficiency Unit Heater - LP - 93% Thermal Efficiency - Separated Combustion
Learn More About Modine PTC135AS0111acw-sale-badge
Modine Effinity93 - 135,000 BTU - High Efficiency Unit Heater - NG - 93% Thermal Efficiency - Separated Combustion
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Modine - PTC135AS0111 - 135,000 BTU - Effinity93 High Efficiency Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 93% Thermal Efficiency - Power Vented - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48207
Model#: PTC135AS0111
Brand: Modine
$3,612.00
Free Shipping
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Free Shipping
*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.
Only 2 In-Stock
Modine Effinity93 - 135,000 BTU - High Efficiency Unit Heater - NG - 93% Thermal Efficiency - Separated Combustion
Learn More About Modine HDB75SS0111acw-sale-badge
Modine HDB - 75,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
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Modine - HDB75SS0111 - 75,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Blower Driven - 115V/60Hz/1 Phase*
Item#: 48346
Model#: HDB75SS0111
Brand: Modine
$2,698.00
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Free Shipping
*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.
Only 1 In-Stock
Modine HDB - 75,000 BTU - Unit Heater - NG - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger
Learn More About Modine POR145B0101acw-sale-badge
Modine POR - 145,000 BTU - Unit Heater - Oil - 80% Thermal Efficiency - Chimney Vented - Aluminized Steel Heat Exchanger - Propeller Driven
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Modine - POR145B0101 - 145,000 BTU - Unit Heater - Two-Stage Oil Burner - 80% Thermal Efficiency - Chimney Vented - Aluminized Steel Heat Exchanger - Propeller Air Propulsion - 115V/60Hz/1 Phase - Order Number: 32036
Item#: 48559
Model#: POR145B0101
Brand: Modine
$5,644.00
Free Shipping
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Free Shipping
*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.
Only 1 In-Stock
Modine POR - 145,000 BTU - Unit Heater - Oil - 80% Thermal Efficiency - Chimney Vented - Aluminized Steel Heat Exchanger - Propeller Driven
Learn More About Reznor UBX-125acw-sale-badge
Reznor UBX Power Vented Gas Fired Unit Heater, High Static Blower Fan, NG, Aluminized Heat Exchanger - 120,000 BTU
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Reznor UBX-125 Gas Fired Unit Heater Power Vented NG Aluminized Heat Exchanger - 120,000 BTU 115V 2049 CFM
Item#: 116306
Model#: UBX-125
Brand: Reznor
$2,502.00
Free Shipping
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Free Shipping
*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.
Only 2 In-Stock
Reznor UBX Power Vented Gas Fired Unit Heater, High Static Blower Fan, NG, Aluminized Heat Exchanger - 120,000 BTU
Learn More About Modine PTX250SS0121acw-sale-badge
Modine PTX - 250,000 BTU - Unit Heater - LP - 82-83% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger
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Modine - PTX250SS0121 250,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 82-83% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 150885
Model#: PTX250SS0121
Brand: Modine
$3,326.00
Free Shipping
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Free Shipping
*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.
Only 1 In-Stock
Modine PTX - 250,000 BTU - Unit Heater - LP - 82-83% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger
Learn More About Modine PTX300AS0111acw-sale-badge
Modine PTX - 300,000 BTU - Unit Heater - NG - 82-83% Thermal Efficiency - Separated Combustion - Aluminized Steel Heat Exchanger
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Modine - PTX300AS0111 300,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 82-83% Thermal Efficiency - Separated Combustion - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 150886
Model#: PTX300AS0111
Brand: Modine
$2,419.00
Free Shipping
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Free Shipping
*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
Learn More
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.
Only 1 In-Stock
Modine PTX - 300,000 BTU - Unit Heater - NG - 82-83% Thermal Efficiency - Separated Combustion - Aluminized Steel Heat Exchanger
Learn More About Modine PTX300SS0111acw-sale-badge
Modine PTX - 300,000 BTU - Unit Heater - NG - 82-83% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger
Write A Review
Modine - PTX300SS0111 300,000 BTU - Gas Fired Unit Heater - Single-Stage Natural Gas Burner* - 82-83% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 150888
Model#: PTX300SS0111
Brand: Modine
$3,522.00
Free Shipping
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Free Shipping
*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
Learn More
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.
Only 1 In-Stock
Modine PTX - 300,000 BTU - Unit Heater - NG - 82-83% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger