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Residential Hot Water Heaters

398 Products
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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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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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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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Energy Factor Learn More
Energy Factor
Energy Factor (EF) is a measurement of water heater energy efficiency. The higher the energy factor, the more efficient the water heater.
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Flow Rate at 40F Temperature Rise (GPM) Learn More
Flow Rate at 40F Temperature Rise (GPM)
Flow rate measures how much hot water your heater can deliver. Click Learn More to determine the appropriate temperature rise to use based on your location.
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Learn More About Rinnai RE180INacw-sale-badge
Rinnai RE Series - RE180 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Concentric Vent
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Wall Mounted, Non-Condensing Boiler Water Heater Ultra Low NOx Emissions Ratings: 7.4 GPM at 40° F Rise, 6.0 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 180k Effective BTU/h
Item#: 132519
Model#: RE180IN
Brand: Rinnai
$1,105.30
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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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Rinnai RE Series - RE180 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Concentric Vent
Learn More About Rinnai RE199INacw-sale-badge
Rinnai RE Series - RE199 - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Concentric Vent
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Wall Mounted, Non-Condensing Boiler Water Heater Ultra Low NOx Emissions Ratings: 8.2 GPM at 40° F Rise, 6.6 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.6 GPM at 70° F Rise. 199k Effective BTU/h
Item#: 132520
Model#: RE199IN
Brand: Rinnai
$1,297.10
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Rinnai RE Series - RE199 - Residential 199,000 BTU - Natural Gas Tankless Water Heater - Concentric Vent
Learn More About A.O. Smith Tank HPTS-66acw-sale-badge
A.O. Smith HPTS-66 Voltex® AL - 66 Gallon Capacity - Residential Hybrid Electric Heat Pump Water Heater
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4.5kW Heating Element.
Item#: 148160
Model#: HPTS-66
Brand: A.O. Smith Tank
$2,419.00
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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.
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A.O. Smith HPTS-66 Voltex® AL - 66 Gallon Capacity - Residential Hybrid Electric Heat Pump Water Heater
Learn More About Rheem Tankless RTG-70DVLN-3acw-sale-badge
Rheem RTG - Residential 160,000 BTU Indoor - Natural Gas Tankless Water Heater - Concentric Vent
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Item#: 151462
Model#: RTG-70DVLN-3
Brand: Rheem Tankless
$804.00
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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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Rheem RTG - Residential 160,000 BTU Indoor - Natural Gas Tankless Water Heater - Concentric Vent
Learn More About Rheem Tankless RTG-70DVLP-3acw-sale-badge
Rheem RTG-Series 7 - Residential 160,000 BTU Indoor - Liquid Propane Water Heater - Concentric Vent
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Item#: 151463
Model#: RTG-70DVLP-3
Brand: Rheem Tankless
$804.00
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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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Rheem RTG-Series 7 - Residential 160,000 BTU Indoor - Liquid Propane Water Heater - Concentric Vent
Learn More About Rheem Tankless RTG-70XLN-3acw-sale-badge
Rheem RTG - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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Item#: 151464
Model#: RTG-70XLN-3
Brand: Rheem Tankless
$804.00
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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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Rheem RTG - Residential 160,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About Rheem Tankless RTG-84DVLN-3acw-sale-badge
Rheem RTG - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Concentric Vent
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Item#: 151466
Model#: RTG-84DVLN-3
Brand: Rheem Tankless
$953.00
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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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Rheem RTG - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Concentric Vent
Learn More About Rheem Tankless RTG-84XLN-3acw-sale-badge
Rheem RTG - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Outdoor
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Item#: 151468
Model#: RTG-84XLN-3
Brand: Rheem Tankless
$953.00
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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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Rheem RTG - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About Rheem Tankless RTG-84XLP-3acw-sale-badge
Rheem RTG Series 8.4 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
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Item#: 151469
Model#: RTG-84XLP-3
Brand: Rheem Tankless
$953.00
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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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Rheem RTG Series 8.4 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Outdoor
Learn More About Rheem Tankless RTG-95DVELN-3acw-sale-badge
Rheem RTG - Residential 199,900 BTU - Natural Gas Tankless Water Heater - Concentric Vent - Built-In Wi-Fi
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Item#: 151470
Model#: RTG-95DVELN-3
Brand: Rheem Tankless
$1,170.00
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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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Rheem RTG - Residential 199,900 BTU - Natural Gas Tankless Water Heater - Concentric Vent - Built-In Wi-Fi
Learn More About Rheem Tankless RTG-95DVLP-3acw-sale-badge
Rheem RTG Series 9.5 - Residential 199,900 BTU - Liquid Propane Tankless Water Heater - Concentric Vent
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Item#: 151473
Model#: RTG-95DVLP-3
Brand: Rheem Tankless
$1,243.00
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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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Rheem RTG Series 9.5 - Residential 199,900 BTU - Liquid Propane Tankless Water Heater - Concentric Vent
Learn More About Rheem Tankless RTG-95XELP-3acw-sale-badge
Rheem RTG - Residential 199,90 BTU - Liquid Propane Tankless Water Heater - Outdoor - Built-In Wi-Fi
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Item#: 151475
Model#: RTG-95XELP-3
Brand: Rheem Tankless
$1,170.00
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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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Rheem RTG - Residential 199,90 BTU - Liquid Propane Tankless Water Heater - Outdoor - Built-In Wi-Fi
Learn More About Rheem Tankless RTG-95XLN-3acw-sale-badge
Rheem RTG - Residential 199,900 BTU - Natural Gas Tankless Water Heater - Outdoor
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Item#: 151476
Model#: RTG-95XLN-3
Brand: Rheem Tankless
$1,243.00
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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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Rheem RTG - Residential 199,900 BTU - Natural Gas Tankless Water Heater - Outdoor
Learn More About Rheem Tankless RTGH-68DVLN-3acw-sale-badge
Rheem RTGH Series 6.8 - Residential 120,000 BTU - Natural Gas Tankless Water Heater - Indoor
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Item#: 151478
Model#: RTGH-68DVLN-3
Brand: Rheem Tankless
$1,001.00
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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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Rheem RTGH Series 6.8 - Residential 120,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Rheem Tankless RTGH-84DVLN-3acw-sale-badge
Rheem RTGH Series 8.4 - Residential 157,000 BTU - Natural Gas Tankless Water Heater - Indoor
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Item#: 151480
Model#: RTGH-84DVLN-3
Brand: Rheem Tankless
$1,188.00
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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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Rheem RTGH Series 8.4 - Residential 157,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Rheem Tankless RTGH-84DVLP-3acw-sale-badge
Rheem RTGH Series 8.4 - Residential 157,000 BTU - Liquid Propane Tankless Water Heater - Indoor
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Item#: 151481
Model#: RTGH-84DVLP-3
Brand: Rheem Tankless
$1,188.00
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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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Rheem RTGH Series 8.4 - Residential 157,000 BTU - Liquid Propane Tankless Water Heater - Indoor
Learn More About Rheem Tankless RTGH-90DVLN-3acw-sale-badge
Rheem RTGH Series 9 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Indoor
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Item#: 151482
Model#: RTGH-90DVLN-3
Brand: Rheem Tankless
$1,336.00
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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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Rheem RTGH Series 9 - Residential 180,000 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Rheem Tankless RTGH-90DVLP-3acw-sale-badge
Rheem RTGH Series 9 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Indoor
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Item#: 151483
Model#: RTGH-90DVLP-3
Brand: Rheem Tankless
$1,336.00
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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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Rheem RTGH Series 9 - Residential 180,000 BTU - Liquid Propane Tankless Water Heater - Indoor
Learn More About Rheem Tankless RTGH-95DVELP-3acw-sale-badge
Rheem RTGH Series 9.5 - Residential 199,900 BTU - Liquid Propane Tankless Water Heater - Indoor - Built-In Wi-Fi
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Item#: 151485
Model#: RTGH-95DVELP-3
Brand: Rheem Tankless
$1,370.00
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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.
Factory-Direct
Rheem RTGH Series 9.5 - Residential 199,900 BTU - Liquid Propane Tankless Water Heater - Indoor - Built-In Wi-Fi
Learn More About Rheem Tankless RTGH-95DVLN-3acw-sale-badge
Rheem RTGH Series 9.5 - Residential 199,900 BTU - Natural Gas Tankless Water Heater - Indoor
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Item#: 151486
Model#: RTGH-95DVLN-3
Brand: Rheem Tankless
$1,499.00
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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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Rheem RTGH Series 9.5 - Residential 199,900 BTU - Natural Gas Tankless Water Heater - Indoor
Learn More About Rheem Tankless RTGH-95DVLP-3acw-sale-badge
Rheem RTGH Series 9.5 - Residential 199,900 BTU - Liquid Propane Tankless Water Heater - Indoor
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Item#: 151487
Model#: RTGH-95DVLP-3
Brand: Rheem Tankless
$1,499.00
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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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Rheem RTGH Series 9.5 - Residential 199,900 BTU - Liquid Propane Tankless Water Heater - Indoor
Learn More About Triangle Tube P3SMART316L30acw-sale-badge
Triangle Tube Smart 316 - 28 Gallon - Residential Indirect Water Heater
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Item#: 153292
Model#: P3SMART316L30
Brand: Triangle Tube
$1,203.31
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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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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.
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Triangle Tube Smart 316 - 28 Gallon - Residential Indirect Water Heater
Learn More About Triangle Tube P3SMART316L80acw-sale-badge
Triangle Tube Smart 316 - 70 Gallon - Residential Indirect Water Heater
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Item#: 153296
Model#: P3SMART316L80
Brand: Triangle Tube
$2,436.60
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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.
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Triangle Tube Smart 316 - 70 Gallon - Residential Indirect Water Heater
Learn More About Triangle Tube P3SMART316L120acw-sale-badge
Triangle Tube Smart 316 - 119 Gallon - Residential Indirect Water Heater
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Item#: 153298
Model#: P3SMART316L120
Brand: Triangle Tube
$3,583.80
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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.
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Triangle Tube Smart 316 - 119 Gallon - Residential Indirect Water Heater