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Automatic water heaters are the unsung heroes of modern comfort, providing a seamless blend of efficiency and convenience to ensure your home is always ready with hot water when you need it. At Wayfair, we offer a diverse selection of automatic water heaters that cater to every style and budget, empowering you to choose the perfect fit for your household's unique needs.

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1kw/120 Volt Tankless Water Heatert Rinnai
1kw/120 Volt Tankless Water Heatert Rinnai

1kw/120 Volt Tankless Water Heatert Rinnai

(1011)

Rated 4.0 out of 5 stars. 1011 total votes

$2067.80
Color: silver

  • Provides unlimited hot water
  • Efficient operation
  • Useful bypass and recirculation features
  • Heats water quickly
  • Strong performance

What customers like:

A compact silver tankless water heater offering high efficiency and adaptable indoor or outdoor installation.

Sale
Tankless Water Heater Rinnai Fuel
Tankless Water Heater Rinnai Fuel

Tankless Water Heater Rinnai Fuel

(112)

Rated 4.5 out of 5 stars. 112 total votes

$823.99 was$1030.00
Color: white

  • Endless hot water
  • Adjustable temperature controls
  • Compact and space-saving design
  • Easy installation and setup
  • Reliable and efficient performance

What customers like:

A high-efficiency white aluminum tankless water heater providing endless hot water with natural gas.

Sale
Zojirushi Micom Water Boiler & Warmer Zojirushi
Zojirushi Micom Water Boiler & Warmer Zojirushi

Zojirushi Micom Water Boiler & Warmer Zojirushi

(67)

Rated 5.0 out of 5 stars. 67 total votes

$219.99 was$252.00
Color: white

  • Convenience
  • Quick heating
  • Durability
  • Ease of use
  • Keeps water at perfect temperature

What customers like:

A white plastic electric water boiler with a 3.16-quart capacity and easy one-touch dispensing.

Sale
GE RealMAX Platinum 50-Gallon Tall Natural Gas Atmospheric Water Heater GE Appliances
GE RealMAX Platinum 50-Gallon Tall Natural Gas Atmospheric Water Heater GE Appliances
$747.00 was$829.00
Color: gray

  • Modern and convenient controls
  • Easy installation
  • Durable and long-lasting
  • Suitable for a family of 5
  • Quick water heating

What customers like:

A gray stainless steel water heater with SmartShield™ Safety System and quick recovery for 3-5+ people.

Sale
GE Smart 50 Gallon Electric Water Heater with Flexible Capacity GE Appliances
GE Smart 50 Gallon Electric Water Heater with Flexible Capacity GE Appliances
$990.00 was$1099.00
Color: gray

  • Smart features with phone control
  • Plenty of hot water
  • Easy installation
  • Reliable performance
  • Energy efficient

What customers like:

A gray stainless steel electric water heater with 50-gallon capacity and 5.5kw/240V power.

Sale
GE RealMAX Choice 40-Gallon Tall Natural Gas Atmospheric Water Heater GE Appliances
GE RealMAX Choice 40-Gallon Tall Natural Gas Atmospheric Water Heater GE Appliances
$666.00 was$739.00
Color: gray

  • Durable and well-made
  • Easy installation
  • User-friendly controls
  • Quick hot water replenishment
  • Energy efficient

What customers like:

A gray stainless steel water heater with direct vent system and automatic safety shutoff.

Sale
GE RealMAX Platinum 40-Gallon Tall Natural Gas Atmospheric Water Heater GE Appliances
GE RealMAX Platinum 40-Gallon Tall Natural Gas Atmospheric Water Heater GE Appliances
$702.00 was$779.00
Color: gray

  • Efficient hot water supply
  • Easy installation
  • Good safety features
  • Quiet operation
  • Durable and reliable

What customers like:

A gray stainless steel water heater providing efficient hot water for families of 2 to 4 people.

Sale
Rheem Condensing Tankless Gas Indoor Natural Gas Water Heater with Built-in Recirculation 10.0 GPM Rheem Maximum Flow
Rheem Condensing Tankless Gas Indoor Natural Gas Water Heater with Built-in Recirculation 10.0 GPM Rheem Maximum Flow
$1754.00 was$2017.10
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An efficient indoor tankless water heater with built-in recirculation, offering up to 11 GPM flow rate.

An efficient indoor tankless water heater with built-in recirculation, offering up to 11 GPM flow rate.

Sale
GE Smart 50 Gallon Short Electric Water Heater GE Appliances
GE Smart 50 Gallon Short Electric Water Heater GE Appliances

GE Smart 50 Gallon Short Electric Water Heater GE Appliances

(10)

Rated 5.0 out of 5 stars. 10 total votes

$702.00 was$779.00
Color: gray
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A gray stainless steel electric water heater with a 50-gallon capacity and 5.5kw power.

A gray stainless steel electric water heater with a 50-gallon capacity and 5.5kw power.

Rheem High Efficiency Non-Condensing Outdoor 7.0 GPM Tankless Gas Water Heater Rheem Fuel
Rheem High Efficiency Non-Condensing Outdoor 7.0 GPM Tankless Gas Water Heater Rheem Fuel
$763.99
Color: silver
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A high-efficiency silver tankless gas water heater providing continuous hot water with minimal wait time.

A high-efficiency silver tankless gas water heater providing continuous hot water with minimal wait time.

Sale
GE Smart 30 Gallon Short Electric Water Heater GE Appliances
GE Smart 30 Gallon Short Electric Water Heater GE Appliances

GE Smart 30 Gallon Short Electric Water Heater GE Appliances

(9)

Rated 5.0 out of 5 stars. 9 total votes

$621.00 was$689.00
Color: gray
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A gray stainless steel electric water heater with a 30-gallon capacity and 5.5kW power.

A gray stainless steel electric water heater with a 30-gallon capacity and 5.5kW power.

Sale
GE 40 Gallon Short Electric Water Heater GE Appliances
GE 40 Gallon Short Electric Water Heater GE Appliances

GE 40 Gallon Short Electric Water Heater GE Appliances

(7)

Rated 4.5 out of 5 stars. 7 total votes

$567.00 was$629.00
Color: gray
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A gray stainless steel 40-gallon electric water heater with 5.5kw power for efficient home use.

A gray stainless steel 40-gallon electric water heater with 5.5kw power for efficient home use.

Sale
Envo 240 Electric Tankless Water Heater ANZZI
Envo 240 Electric Tankless Water Heater ANZZI

Envo 240 Electric Tankless Water Heater ANZZI

(6)

Rated 5.0 out of 5 stars. 6 total votes

$325.99 was$429.99
Color: green

  • Good features
  • Ease of installation
  • Affordable price
  • Easy to use
  • Helpful product

What customers like:

A green aluminum tankless water heater providing endless hot water on demand while saving energy and space.

Sale
CAMPLUX 0.8 GPM 20,500 BTU Propane On-Demand Portable Tankless Outdoor Water Heater Nano 3 Pro Camplux
CAMPLUX 0.8 GPM 20,500 BTU Propane On-Demand Portable Tankless Outdoor Water Heater Nano 3 Pro Camplux
$356.99 was$399.99
Color: silver
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A compact silver metal water heater providing on-demand hot showers for outdoor adventures.

A compact silver metal water heater providing on-demand hot showers for outdoor adventures.

Sale
Rheem Super High Efficiency Condensing Indoor 8.4 GPM Tankless Gas Water Heater Rheem Fuel
Rheem Super High Efficiency Condensing Indoor 8.4 GPM Tankless Gas Water Heater Rheem Fuel
$1188.00 was$2037.00
Color: silver
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A silver, compact tankless gas water heater providing efficient, continuous hot water with liquid propane.

A silver, compact tankless gas water heater providing efficient, continuous hot water with liquid propane.

CAMPLUX 4.22 GPM 110,000 BTU Outdoor Portable Propane Tankless Water Heater with LED Display Camplux
CAMPLUX 4.22 GPM 110,000 BTU Outdoor Portable Propane Tankless Water Heater with LED Display Camplux
$412.99
Color: white
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A white metal portable propane water heater with 4.22 GPM flow, ideal for off-grid use.

A white metal portable propane water heater with 4.22 GPM flow, ideal for off-grid use.

Sale
GE Smart 40 Gallon Electric Water Heater with Flexible Capacity GE Appliances
GE Smart 40 Gallon Electric Water Heater with Flexible Capacity GE Appliances
$945.00 was$1049.00
Color: gray
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A 40-gallon stainless steel electric water heater in gray, ideal for efficient home use.

A 40-gallon stainless steel electric water heater in gray, ideal for efficient home use.

Camplux 5L 1.32 GPM Outdoor Portable Propane Gas Tankless Water Heater With 1.2 GPM Water Pump Camplux
Camplux 5L 1.32 GPM Outdoor Portable Propane Gas Tankless Water Heater With 1.2 GPM Water Pump Camplux
$232.99
Color: white
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A portable white propane tankless water heater with electronic ignition, ideal for camping and road trips.

A portable white propane tankless water heater with electronic ignition, ideal for camping and road trips.

Sale
GE 30 Gallon Short Electric Water Heater GE Appliances
GE 30 Gallon Short Electric Water Heater GE Appliances

GE 30 Gallon Short Electric Water Heater GE Appliances

(4)

Rated 5.0 out of 5 stars. 4 total votes

$504.00 was$559.00
Color: gray
More

A gray stainless steel electric water heater with 5.5kw power and 30-gallon capacity.

A gray stainless steel electric water heater with 5.5kw power and 30-gallon capacity.

Sale
GE 30 Gallon Tall Electric Water Heater GE Appliances
GE 30 Gallon Tall Electric Water Heater GE Appliances

GE 30 Gallon Tall Electric Water Heater GE Appliances

(4)

Rated 5.0 out of 5 stars. 4 total votes

$495.00 was$549.00
Color: gray
More

A gray stainless steel electric water heater with 5.5kW power and 30-gallon capacity.

A gray stainless steel electric water heater with 5.5kW power and 30-gallon capacity.

Sale
GE Smart 50 Gallon Tall Electric Water Heater GE Appliances
GE Smart 50 Gallon Tall Electric Water Heater GE Appliances

GE Smart 50 Gallon Tall Electric Water Heater GE Appliances

(4)

Rated 5.0 out of 5 stars. 4 total votes

$720.00 was$799.00
Color: gray
More

A gray stainless steel electric water heater with a 50-gallon capacity and 5.5kw power.

A gray stainless steel electric water heater with a 50-gallon capacity and 5.5kw power.

Sale
Eccotemp Luxe 1.5 GPM Portable Outdoor Tankless Water Heater Eccotemp Systems LLC
Eccotemp Luxe 1.5 GPM Portable Outdoor Tankless Water Heater Eccotemp Systems LLC
$209.00 was$269.00
Color: pearl white
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A portable pearl white tankless water heater offering instant hot water with adjustable temperature controls.

A portable pearl white tankless water heater offering instant hot water with adjustable temperature controls.

Camplux 2.64 GPM Portable Outdoor Propane Tankless Water Heater Camplux
Camplux 2.64 GPM Portable Outdoor Propane Tankless Water Heater Camplux
$297.99
Color: white
More

A portable white metal tankless water heater offering energy-efficient hot water for outdoor activities.

A portable white metal tankless water heater offering energy-efficient hot water for outdoor activities.

Envo Ansen 6 Kw Tankless Electric Water Heater - Single Point of Use ANZZI
Envo Ansen 6 Kw Tankless Electric Water Heater - Single Point of Use ANZZI
$169.99
Color: green
More

A compact green aluminum tankless water heater providing efficient, on-demand hot water for small spaces.

A compact green aluminum tankless water heater providing efficient, on-demand hot water for small spaces.

Automatic Water Heaters

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