The Best Water Heater for 2023

Anthony Davis
Sep 23, 2023 6:52 AM

Water heaters are often used in domestic settings to supply hot water to small residential and commercial buildings. The devices have several advantages over other water heating technologies, such as low noise levels and low monthly energy bills. They can be used either as a single unit or in series with other appliances to provide the desired amount of hot water.

Top Picks

Best Overall: Stiebel Eltron Tankless Water Heater – Tempra 20 Plus – Electric Stiebel Eltron Tankless Water Heater is the latest hot water heater from Stiebel Eltron. It is an energy efficient tankless water heater that has a 20-year warranty. In addition, it is a smart water

Best Budget: Portable Propane Tankless Water Heater The Water Heater is a great way to heat water. It is also useful for other household uses like heating the bath, cooking, and more. This product is made from high quality materials and it comes with a lifetime warranty.

Editor's Choice: Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) The Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) eliminates the time for hot water by using an electric heat exchanger and a high-temperature-resistant plastic housing.

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Showing 1 - 10 in 10 results

RANKING LIST | SORT BY SCORES

Stiebel Eltron Tankless Water Heater – Tempra 20 Plus – Electric, On Demand Hot Water, Eco, White

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SCORE
9.2
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
Stiebel Eltron
Prime

CONTINUOUS FLOW – Advanced Flow Control patented technology invented by Stiebel Eltron, automatically maintains water temperature for constant comfort. It’ll reduce flow slightly if hot water demand exceeds capacity. Hot showers will never be interrupted again
EASY OPERATION – Electronic switch activates the hot water heater and it’s noise free while in use. Has a digital temperature display and preset temperature and memory buttons, while the interior solid copper heating system does all the power work more

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 2.5-Gallon (ES2.5) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

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SCORE
9.0
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
Bosch Thermotechnology

EASILY MOUNTED: Can be shelf, wall or floor mounted (bracket included); simply tap into the cold water line and install the water heater directly at the sink to provide hot water
CONVENIENT HOT WATER HEATER: 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. Thermal efficiency is 98%. Dimensions : 13.75 W x 13.75 H x 10.75 D Inches more

Bosch Electric Mini-Tank Water Heater Tronic 3000 T 7-Gallon (ES8) - Eliminate Time for Hot Water - Shelf, Wall or Floor Mounted

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SCORE
9.0
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
Bosch Thermotechnology
Prime

IMPORTANT INFORMATION: Heating capacity of 1440 watts and a temperature range of 65-145°F max. Operating pressure-150 psi. Water fittings-3/4 inch Male NPT. Electrical requirements (Amp 12A/Volts 120)
INSTALLED VERTICALLY OR HORIZONTALLY: This larger model can be mounted vertically (5.1 gal. of water supply) or horizontally (7 gal. of water supply)- vertical orientation is installed with the cold and hot lines on top of the unit more

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology

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SCORE
8.8
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
EcoSmart
Prime

Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 11.5 x 8 x 3.75 inches
Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used. more

Rheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray

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SCORE
8.8
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
Rheem
Prime

24kW Model Flow Rate: up to 5.9 GPM for RTEX-24
Self-modulating power control more

Portable Propane Tankless Water Heater, 1.32GPM/5L Capacity, 6 in 1 Safety Function, 7 more Usage Scenarios, Easy to Install, Low Pressure Startup, White

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SCORE
8.8
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
FORUEE
Prime

🍏【7 MORE USAGE SCENARIOS】Perfect heater shower for before and after swimming in your pool or lake. Your dog will love the spa-like experience. No more cold outdoor baths with the hose - you can use the detachable shower head to easily wash your pets with warm water they will appreciate. Perfect for DIY Outdoor Shower, RV Shower, Camping Shower, Outdoor Pet Shower, RV/SUV/MPV, Beach Bathing Boxes, Campsites, Hunting Cabins, Boats, Kid Pools, or just around your house
🍏【6-IN-1 MULTIFUNCTIONAL SAFETY PROTECTION】Passed UL-307B Safety Test and FDA Food Contact Article Test, ensure home safety, Oxygen depletion safety shut-off protection, Over-heating protection, Anti-freezing protection, Flameout protection, Thermal protection, Mini and open design to prevent excessive surface temperature more

Rinnai RL94EN Tankless Hot Water Heater, 9.8 GPM, Natural Gas, Outdoor Installation

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SCORE
8.8
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
Rinnai
Prime

Guaranteed to Last: 12-, 5-, and 1-year residential and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, parts, and labor respectively
Energy and Space Efficient: Space-saving design conserves energy as it heats only when necessary more

Eccotemp i12-LP Water Heater, 4 GPM, Black

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SCORE
8.4
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
Eccotemp

Safe electronic ignition system; Plugs into standard 110v electrical outlet with UL-listed cord
Whole home indoor, gas powered tankless water heater, rated at 4 GPM that activates only on demand and no pilot light needed, reducing energy consumption 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

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SCORE
8.0
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
AIRTHEREAL
Prime

☼ 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 Energy: Water is only heated when you need it, not stored in a hot water tank. The self-modulating temperature technology only uses energy to heat up water while you are using it to save up to 50% on water heating costs compared to a typical tank water heater. more

Airthereal Electric Tankless Water Heater, 9kW, 240Volts - Endless On-Demand Hot Water - Self Modulates to Save Energy Use - for Sink and Faucet, Evening Tide series

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SCORE
8.0
AI Score

It is a simple and easy-to-use tool that allows you to monitor and analyze the performance of your products or services against a specified set of metrics. The Score is a non-technical user-friendly ranking system that is easy to understand and follow. It is a good tool to understand and use before making a purchase decision. Learn more
Brand
AIRTHEREAL
Prime

☼ Important Note: In order to install 9kW Electric Tankless Water Heater it would requires 240 Voltage, 40 AMP Circuit Breaker Size. Please check to confirm that your breaker panel meet these specifications.
☼ 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

Last update on 2023-09-23 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

1 ratings

FAQs

What should I look for when buying a water heater?

When buying a water heater, it is important to consider the size of the room you will be using it in, as well as your budget. Additionally, think about the type of water you will be using - hot or cold?

Is a short or tall water heater better?

There is no one definitive answer to this question. A short water heater can be more efficient than a tall water heater, but it may not be as comfortable to use.

How long should a water heater last?

A water heater should last around 10 years.

What are the signs of a water heater going bad?

The most common sign of a water heater going bad is a decrease in the flow of water. This can be due to a number of reasons, including a leak, corrosion, or a malfunction. If you notice that your water is not getting as hot as it used to be, it may be time to replace your water heater.

How often should you flush your water heater?

Flush your water heater at least once a month.

Conclusion

Whole-house water heaters are still the method of producing hot water in a home, but there are many different types available now. Some of these have better features than others, so it's important to choose one that will best suit your needs. It's important to choose the right one for your home and make sure it's affordable.