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Horizontal Unit Heaters

380 Products
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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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Air Throw (Feet)
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Product Line
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Product Height (Inches)
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Medium Learn More
Medium
Medium refers to the substance that carries heat through the heating system. Systems are either designed to use either Hot Water or Steam as a medium, and components are usually specific to one or the other.
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Product Width (Inches)
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Product Length (Inches)
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Product Depth (Inches)
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Heat Exchanger Material
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Heating Capacity (kW) (kW)
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Modine - HSB121S01 - 121,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Top/Bottom Connections - 115V/60Hz/1 Phase
Item#: 48466
Model#: HSB121S01
Brand: Modine
Sale: $1,369.00
On Sale Through 01/31
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Modine - PDP200SE0130 - 200,000 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#: 48536
Model#: PDP200SE0130
Brand: Modine
Sale: $2,143.00
On Sale Through 01/31
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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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In-Stock
Modine - PTP300SS0111 - 300,000 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#: 48585
Model#: PTP300SS0111
Brand: Modine
Sale: $2,760.00
On Sale Through 01/31
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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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In-Stock
Reznor - UDXC-30 - 30,000 BTU - Gas Fired Unit Heater - Power Vented - Natural Gas - Aluminized Heat Exchanger - 456 CFM - 115V
Item#: 157231
Model#: UDXC-30
Brand: Reznor
$1,264.00
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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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In-Stock
Modine - HD125SS0121 - 125,000 BTU - Hot Dawg HD Gas Fired Unit Heater - Single-Stage Liquid Propane Burner - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase
Item#: 48420
Model#: HD125SS0121
Brand: Modine
Sale: $1,534.00
On Sale Through 01/31
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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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In-Stock
Modine - HDS125SS0111 - 125,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Separated Combustion - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase
Item#: 48446
Model#: HDS125SS0111
Brand: Modine
Sale: $1,849.00
On Sale Through 01/10
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In-Stock
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 01/31
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Modine - PTP250SS0121 - 250,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48582
Model#: PTP250SS0121
Brand: Modine
Sale: $2,334.00
On Sale Through 01/31
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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
*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.
Factory-Direct
Modine - PTP400SS0111 - 400,000 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#: 48589
Model#: PTP400SS0111
Brand: Modine
Sale: $3,220.00
On Sale Through 01/10
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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.
In-Stock
Sale: $3,132.00
On Sale Through 01/31
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Free Lift Gate
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In-Stock
Modine - PTP400AS0111 - 400,000 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#: 152244
Model#: PTP400AS0111
Brand: Modine
Sale: $2,679.00
On Sale Through 01/31
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Free Lift Gate
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In-Stock
Reznor - EUH-10 - Suspended Electric Heater - 208-240V - 1 Phase - 10 kW (34,121 BTU) - 957 CFM
Item#: 157586
Model#: EUH-10-AK44
Brand: Reznor
$1,563.00
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Factory-Direct
Modine - PTC65SS0111 - 65,000 BTU - Effinity93 High Efficiency Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 93% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48234
Model#: PTC65SS0111
Brand: Modine
Sale: $2,364.00
On Sale Through 01/31
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Factory-Direct
Modine - HC108S01 - 108,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
Item#: 48317
Model#: HC108S01
Brand: Modine
Sale: $1,229.00
On Sale Through 01/31
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In-Stock
Modine - HC47S01 - 47,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
Item#: 48327
Model#: HC47S01
Brand: Modine
Sale: $846.00
On Sale Through 01/31
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Factory-Direct
Modine - HC63S01 - 63,000 BTU - Hot Water/Steam Unit Heater - Horizontal Orientation - Copper Heat Exchanger - Side Connections - 115V/60Hz/1 Phase
Item#: 48328
Model#: HC63S01
Brand: Modine
Sale: $926.00
On Sale Through 01/31
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In-Stock
Modine - HDS75AS0111 - 75,000 BTU - Hot Dawg HDS Gas Fired Unit Heater - Single-Stage Natural Gas Burner - 80% Thermal Efficiency - Separated Combustion - Aluminized Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase
Item#: 48461
Model#: HDS75AS0111
Brand: Modine
Sale: $1,521.00
On Sale Through 01/31
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Free Lift Gate
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In-Stock
Modine - PDP250SE0185 - 250,000 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#: 48538
Model#: PDP250SE0185
Brand: Modine
Sale: $2,659.00
On Sale Through 01/31
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In-Stock
Modine - PDP250SE0130 - 250,000 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#: 48540
Model#: PDP250SE0130
Brand: Modine
Sale: $2,659.00
On Sale Through 01/31
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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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Factory-Direct
Modine - PDP300SE0130 - 300,000 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#: 48544
Model#: PDP300SE0130
Brand: Modine
Sale: $2,991.00
On Sale Through 01/31
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In-Stock
Modine - PDP400SE0185 - 400,000 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#: 48550
Model#: PDP400SE0185
Brand: Modine
Sale: $3,609.00
On Sale Through 01/31
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Factory-Direct
Modine - PTP200SS0121 - 200,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48580
Model#: PTP200SS0121
Brand: Modine
Sale: $1,914.00
On Sale Through 01/31
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In-Stock
Modine - PTP400SS0121 - 400,000 BTU - Gas Fired Unit Heater - Single-Stage Liquid Propane Burner* - 80% Thermal Efficiency - Power Vented - Stainless Steel Heat Exchanger - Propeller Driven - 115V/60Hz/1 Phase*
Item#: 48588
Model#: PTP400SS0121
Brand: Modine
Sale: $3,340.00
On Sale Through 01/31
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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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*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
Sale: $1,090.00
On Sale Through 01/31
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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.
Factory-Direct