The Best Energy Efficient Water Heater of 2023

Laurence Tyler
  Jan 31, 2023 4:25 AM

How critical is it that you locate the top best energy efficient water heater for your needs? You're a little dizzy from all the possibilities, right? He arrived safely, and now we can catch up. All of this detail is offered to help you incorporate the aforementioned term into your own writing accurately. Don't worry if you have no idea where to begin your investigation; we'll point you in the right direction.

Considering the abundance of available options, it could take a substantial amount of time to research each one and read the associated reviews. Reading reviews may tell you a lot about a product and help you decide if you want to buy it.

Top choices

1. Best Overall: Avicar USA ECOCARR15, Electric Tankless Water Heater 220/240V, 14.6W Instant

  • ☼ Endless Hot Water: Imagine you are the last one in your family to take a shower before heading out for the day. You turn on the faucet and the water is freezing cold. Too bad you don’t have an Airthereal Electric Tankless Water to provide endless hot water on demand with no preheating, temperature fluctuations, or running out of hot water in the tank.
  • ☼ Save Space: That water heater in the basement or utility closet takes up a ton of space. This wall-mounted water heater uses 90% less space than a traditional hot water heater with a tank. more

 Avicar USA ECOCARR15, Electric Tankless Water Heater 220/240V, 14.6W Instant on Demand Hot Water, Overheating/Leakage Protection, Self-Modulating to Save Energy Use for Shower, Faucet, Kitchen, Spa

2. Best Value: thermomate Electric Tankless Water Heater, 11kW at 240 Volt, On

  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F more

thermomate Electric Tankless Water Heater, 11kW at 240 Volt, On Demand Instant Hot Water Heater, Self Modulating Energy Saving, Save Space, 2.15GPM at 35°F Rise

3. Best Budget: Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand

  • Space Heaters for Indoor Use: Direct vent wall furnace indoor heater has stainless steel bunsen burners, a warm air outlet with forced combustion and convection through bottom front louvers, and an enameled tray humidifier
  • Smart Features: Small, energy efficient wall heater furnace offers an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F more

 Airthereal Electric Tankless Water Heater 18kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - Small Enough to Install Anywhere - for 2 Showers, Evening Tide series

Compare Products

TOP Choice
1
  • AFFCMS Score

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    10.0
  • Brand
    Rinnai
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2
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    10.0
  • Brand
    Rinnai
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3
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    9.6
  • Brand
    Rheem
4
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    9.6
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    Avicar USA
5
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    9.4
  • Brand
    thermomate
6
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    9.2
  • Brand
    AIRTHEREAL
7
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    9.0
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    Rinnai
8
  • AFFCMS Score

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    9.0
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    Rinnai
9
  • AFFCMS Score

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    8.4
  • Brand
    Rinnai
10
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    8.0
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    BEESOM
11
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    8.0
  • Brand
    Liyeehao

Last update on 2023-01-31 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

Top Picks

Best sale: Rheem RTG-84DVP Low Nox Direct Vent Tankless Water Heater

The Rheem RTG-84DVP Low Nox Direct Vent Tankless Water Heater is a tankless propane water heater that provides hot water on demand. It has a flow rate of 8.4 gallons per minute and is designed for outdoor installation.

Some key features of the Rheem RTG-84DVP include:

  • Tankless design for continuous hot water
  • Propane-powered
  • Low NOx (nitrogen oxide) emissions for improved air quality
  • Direct vent design for efficient ventilation
  • Digital temperature display and control
  • Self-diagnostic system for easy troubleshooting
  • Outdoor installation

Tankless water heaters like the Rheem RTG-84DVP are a good choice for those looking to save energy and space, as they only heat water as needed rather than maintaining a large tank of hot water. They also have a longer lifespan than traditional tank-style water heaters. The RTG-84DVP is equipped with a digital temperature display and control, as well as a self-diagnostic system for easy troubleshooting. It is also designed with low NOx emissions, which helps to improve air quality.

It is important to carefully consider your hot water needs and consult with a professional before selecting a water heater. Tankless water heaters may not be suitable for large households or applications with high hot water demand, as they may not be able to produce enough hot water to meet those needs. It is also important to consider the location of the unit and any necessary installation requirements.

Best overall: Rinnai EX08DTP Direct Vent Wall Furnace, Indoor Propane Heater

The Rinnai EX08DTP Direct Vent Wall Furnace is a propane-powered space heater designed for indoor installation. It has a BTU output of 8,000 and is suitable for small to medium-sized rooms.

Some key features of the Rinnai EX08DTP include:

  • Propane-powered
  • Direct vent design for efficient ventilation
  • Energy efficient
  • Digital temperature control
  • Multiple safety features
  • Indoor installation
  • Wall-mounted design

Space heaters like the Rinnai EX08DTP are a good choice for those looking to supplement their primary heating system or provide additional heat in a specific room. The EX08DTP is equipped with a digital temperature control for easy use, and has multiple safety features to ensure safe operation.

When selecting a space heater, it is important to consider the size of the room you want to heat, the fuel type, and the energy efficiency rating. It is also important to follow the manufacturer's instructions for safe use and maintenance.

Best budget: Rinnai EX38DTN Direct Vent Wall Furnace, Indoor Natural Gas Heater

The Rinnai EX38DTN Direct Vent Wall Furnace is a natural gas-powered space heater designed for indoor installation. It has a BTU output of 38,400 and is suitable for medium to large-sized rooms.

Some key features of the Rinnai EX38DTN include:

  • Natural gas-powered
  • Direct vent design for efficient ventilation
  • Energy efficient
  • Digital temperature control
  • Multiple safety features
  • Indoor installation
  • Wall-mounted design

Space heaters like the Rinnai EX38DTN are a good choice for those looking to supplement their primary heating system or provide additional heat in a specific room. The EX38DTN is equipped with a digital temperature control for easy use, and has multiple safety features to ensure safe operation.

When selecting a space heater, it is important to consider the size of the room you want to heat, the fuel type, and the energy efficiency rating. It is also important to follow the manufacturer's instructions for safe use and maintenance.

Buying guides

Energy efficient water heaters are designed to use less energy to heat water, which can save you money on your energy bills and reduce your carbon footprint. There are several types of water heaters that are designed to be more energy efficient than traditional tank-style water heaters, including:

Tankless water heaters: Also known as on-demand or instantaneous water heaters, these units heat water as needed rather than maintaining a large tank of hot water. They are generally more energy efficient than traditional tank-style water heaters, as they do not have to work as hard to maintain a hot water supply.

Heat pump water heaters: These units use electricity to move heat from the air or ground to heat water, rather than using a heating element to directly generate heat. They are generally more energy efficient than traditional electric water heaters, as they use less energy to produce the same amount of hot water.

Solar water heaters: These units use energy from the sun to heat water, either directly or indirectly. They are generally more energy efficient than traditional water heaters, as they use a renewable energy source.

It is important to carefully consider your hot water needs and consult with a professional before selecting a water heater. Energy efficient water heaters may have a higher upfront cost, but they can save you money on energy costs in the long run.

When shopping for an energy efficient water heater, there are several factors to consider to ensure you choose the right unit for your needs:

Size: The size of the water heater should be based on the hot water demand of your household. Consider the number of people in your household, the size of your home, and the type of appliances you have (e.g., dishwasher, washing machine).

Fuel type: Water heaters can be powered by natural gas, propane, electricity, or solar energy. The fuel type you choose will depend on the availability and cost of the fuel in your area, as well as any personal preferences.

Energy efficiency: Look for water heaters with a high energy efficiency rating to save on energy costs. Energy Star-certified water heaters are independently certified to be at least 10% more energy efficient than standard models.

Price: Consider your budget when selecting a water heater. Energy efficient water heaters may have a higher upfront cost, but they can save you money on energy costs in the long run.

Installation: Consider the location of the unit and any necessary installation requirements. Some water heaters, such as tankless water heaters, may require special ventilation or installation considerations.

It is always a good idea to consult with a professional when selecting a water heater, as they can help you determine the best unit for your specific needs and water conditions. They can also provide installation and maintenance services to ensure your water heater is working properly.

 

Rinnai EnergySaver Direct Vent Wall Furnaces

Conclusion

The criteria we used to select we applied to pick the most effective energy efficient water heater. Do these criteria are the only ones to be considered? Not at all! We update our website regularly to provide you with the most current and accurate information.

The final factor we consider is the reader's satisfaction, as this is the one we put on top of our list of criteria. Sincere thanks go out to readers! If you believe some of the details or words included here are incorrect, outdated or incorrect Please let us know. The list is regularly updated based on your constructive suggestions, and we are open to your suggestions.