The 10 Best High Efficiency Hot Water Heaters (2022 reviews)

Bosch Rmotechnology is known for creating practical and outstanding heaters for people on the go, and its line of Bosch Rmotechnology High Efficiency Hot Water Heaters definitely falls in line with that reputation. The bosch rmotechnology high efficiency hot water heater is great for a wide range of locations. Shut off the cold supply heater and open the hot water tap. This electric water heater is easy to maintain and has premium glass - lined material for a long service life.

The heater is very small, it installed easily and has a modern design. Further, it is used to capture moisture. Most importantly, the bosch rmotechnology high efficiency hot water heater is perfect for temperature control, It is adjustable and has a unique design.

Most customers found that the heater is packaged well and there's really nothing quirky about the design or hookup. In addition, they also found that the heater works well as hot water assist. And, a few also found that this water heater is the perfect size to supply warm water, mainly needed in the winter. Therefore, most customers find the heater is functionally comfortable and no one questions it.

Customers say that getting a high pressure hot water pump, along with heater is useful.

Top Customer Quotes:

This fits in a small space and delivers nice hot water for washing hands.
This works wonderfully for providing instant hot water in front of a tankless water heater.
This is easy to install & very convenient to have under the kitchen sink.
This can be very hot, but works well.

Best For Remote Control: Ecosmart High Efficiency Hot Water Heater

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Next on the list, we've got yet another heater that manages to win our hearts. It's the ecosmart high - efficiency hot water heater and it's widely considered as one of the most convenient heaters you can buy. The Ecosmart High Efficiency Hot Water Heater heats water fast and it provides ease of use. With ecosmart, you will be happier knowing the warm water you expect is available endlessly, consistently, and on-demand, allowing you to reduce your water and energy waste. This smart technology electric tankless water heater is configured for climates where incoming water temperature is 67 degrees f and above.

The heater is affordable, works awesome, it is suitable for fast heating and has a smart design. Moreover, it is designed to worth every penny, is designed for water inlet,s it is robust and has an efficient design. Most importantly, the ecosmart high efficiency hot water heater is for washing machine, It is great for a great price and has a safe design.

Most buyers agree that the heater will come off easily with the 4 screws removed. Moreover, a few strongly agree that the heater comes with information to repair it, when that will be necessary. And, a few say that the bathroom that is farthest from the water heater always takes the longest to get water to the shower and faucet. In short, many customers have used the ecosmart high efficiency hot water heater for more than a few months without any issues, and it shows no sign of giving up.

Customers discovered that getting a whole house hot water filter, along with heater is useful.

Top Customer Quotes:

This has been supplying very hot water for two people for over a year now.
This is great for the price, Word of advice for everyone.
This is best left to a professional/licensed installer.
This is good for a little thing.

Best With Furnace: Rinnai High Efficiency Hot Water Heater

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Rinnai offers a variety of heaters for personal choice and yet maintains quality in all the variants. The Rinnai high efficiency hot water heater is super hot, It is great with unlimited hot water and has an efficient design. Make sure this fits by entering your model number. This ru199in compact tankless water heater has a longer lifespan since water runs continuously through pipes.

The heater is suitable for the washing machine, it never runs out and has a standing design. Also, this has a great day, saves space, it can protect for recirculation pump and has a cool design. Above all, the rinnai high - efficiency hot water heater is great for instant heating and has a smart design.

Most customers quickly discovered that the heater has manufacturing sites in 8 countries, including their most recent addition in 2018 of a facility in Georgia. Also, they strongly agree that the heater is suitable for mounting outdoors. Moreover, they also found that the heater has water flow, gas pressure and it will let you know if it does not. In conclusion, most customers found the heater is functionally comfortable and no one questions it.

Customers discovered that getting a whole house hot water filter, with this heater made their life much easier.

Top Customer Quotes:

This has one for the inlet and one for the outlet.
Energy and space efficient: space-saving design conserves energy as it heats only when necessary.
This is a condensing unit that has a primary and secondary heat exchangers.
This is very happy, guaranteed to last, It is white and has a compact design.

Best For Stainless Steel: Camplux Enjoy Outdoor Life High Efficiency Hot Water Heater

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The camplux enjoys outdoor life. high efficiency hot water heater's material feels more premium than its price would suggest. The camplux enjoys outdoor life, high efficiency hot water heater piping hot water, It works great and has an efficient design. . In addition, the heater can be used for constant hot water, It is best for digital displays and has a safe design.

The heater is commercial, never runs out, it is ready to install and has a beautiful design. Lastly, the camplux enjoys outdoor life. High efficiencyhot water heater is used for constant temperature, It is safer and has a tankless design.

Most buyers opine that the heater comes with a horizontal stainless steel vent pipe. It can also be installed in the outdoors. In addition, they say that the heater is easy to install, easy to use and beautiful to look at. Also, they strongly agree that the heater includes the unfinished basement. In conclusion, buyers found this to be one of the best heaters for daily purposes.

Top Customer Quotes:

This has features for indoor applications.
This has been a troublefree water heater and I highly recommend it.
This is a great replacement for the old water heater.
This is a very easy transition from a conventional hot water tank to this one.

Best For Small Jobs: Gdrasuya10 High Efficiency Hot Water Heater

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For a low asking price, Gdrasuya10 High Efficiency Hot Water Heater has managed to overwhelm their customers by packing as many features as they could. The gdrasuya10 high efficiency hot water heater has minimum water pressure, It is adjustable and has a unique design. Make sure this fits by entering your model number. This product uses green environmental material, which is qualified for international standards, and satisfies difficulties of hotwater supply for multiple places, easily solves issues such as face washing, bathing, vegetable washing and dish washing.

The heater cannot refuse fate, they cannot stop their yearning for a unique life. Lastly, the gdrasuya10 highefficiency hot waterheater is composed of independent designers and co-designers, to provide creative support for the brand.

Most buyers agree that the heater is great for washing hands and small jobs. And, they also found that the heater is supposed to be inside where you would have climate control.

Few customers bought dc high pressure water pump, along with the heater.

Top Customer Quotes:

This is good for a bathroom sink.
This is a great water heater for basic hand washing in a half bath.
This makes for a great company, it is made with high-quality and has a practical design.
This is 1500w and it has multiple installation methods.

Best With Electric: Fogatti High Efficiency Hot Water Heater

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The fogatti high - efficiency hot water heater is capable of outshining several other heaters featured in this list in overall features in its price range. The Fogatti High Efficiency Hot Water Heater can be used for constant hot water and has a safe design. The manufacturer says: We will sincerely solve any problems of our customers. In addition, this allows for hot water output, It comes with a flow sensor and has a safe design.

The heater is made with good customer service, is easy to adjust, it is built with excellent quality and has a cool design. Lastly, the fogatti high efficiency hot water heater comes with a uef of over 0.82, The high energy conversion rate can effectively reduce energy loss, saving the family energy and money.

Most buyers find that the heater takes over a minute for the water to get hot enough. And, a few say that the heater is an insta hot liquid propane water heater without a water tank. Further, they say that the heater comes out hot enough not to condensate. Overall, buyers found this to be one of the best heaters for daily purposes.

Top Customer Quotes:

This is great for backyard use or adu.
This is made of oxygen-free copper, efficient and durable.
This allows you a constant supply of hot water.
If it is sized properly, it should be able to endlessly provide hot water.

Best For Overall Length: Ez Tankless High Efficiency Hot Water Heater

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The ez tankless high - efficiency hot water heater is long-lasting, rigid and fits well with your daily purposes like a dream. The ez tankless high - efficiency hot water heater is an excellent choice for conservative - minded people living in homes with one or two baths. The Manufacturer says: Extensively tested in our USA laboratory and in our own homes, this model delivers up to 3.4 gallons per minute (at a 45f temperature rise) of consistent and continuous hot water. The ez ultra water heater is designed for use in up to a 2 - bath home.

The heater is designed for use with natural gas only. Finally, the ez tankless high - efficiencyhot waterheater works amazing, is perfect for space saver,s It has used pex and has a cool design.

Almost all customers agree that the heater is suitable for users living at high altitude or those using well water with older or less powerful pumping systems. And, a few also found that the heater protects it from freezing backdrafts. Moreover, they strongly agree that the heater has great customer service. In short, buyers found this to be one of the best heaters for daily purposes.

Customers found that buying a whole house hot water filter, along with heater is useful.

Top Customer Quotes:

This is more than enough to hold the entire drain volume.
This is meant to be installed indoors, so you can't let the unit itself freeze.
This can be vented horizontally or vertically using a 2" solid core schedule 40 pvc/cpvc.
Capacity up to 3.4 gpm @ 45f rise in ambient temperature.

Best For Whole House: Rmoflow High Efficiency Hot Water Heater

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If you often find yourself confused about convenient and suitable heater, Rmoflow High Efficiency Hot Water Heater is your solution. The rmoflow high efficiency hot water heater works perfectly, It is very impressive and has a water heater design. Make sure this fits by entering your model number. Also, the heater works as advertised, heats quickly, it is great with unlimited hotwater and has a tankless design.

Most importantly, the rmoflow high efficiency hot water heater is unlimited, It is good to go and has a compact design.

Almost all buyers quickly discovered that the heater can be used in a residential shower, it is designed for sinks only. Furthermore, a few also found that the heater is a nice little unit that installs easily and works well. Further, they also found that the heater is used for most 120v units to make sure they break the circuit completely. With no doubts, this heater passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:

This comes with a 2 year warranty.
This is used for multiple locations.
This requires breakers, it is suitable for power source and has an efficient design.
Have a small tankless water heater for single sink wash use only.

Best For Space Saving: Takagi High Efficiency Hot Water Heater

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The Takagi High Efficiency Hot Water Heater is capable of outshining several other heaters featured in this list in overall features for the price point. The takagi highefficiency hot water heater is suitable for washing machine, is great for energy efficiency and it can protect for recirculation pump. Make sure this fits by entering your model number. Moreover, it is easy to follow, is ideal for space savers and it provides great value.

The heater features, no pilot light to have to worry about. Most importantly, the takagi high efficiency hot water heater is ideal for low temperatures and it is good for energy conservation.

Almost all buyers quickly discovered that the heater came with a vent assembly. Also, they say that the heater comes with PVC connectors. Further, they say that the heater includes freeze, overheat, surge protection, and troubleshooting diagnostic codes. With no doubts, this heater passed the test and had very satisfied buyers eager to share their experience.

Customers say that buying a whole house hot water filter, along with heater is useful.

Top Customer Quotes:

This is used for radiant floor heating.
Endless hot water, on-demand usage, compact, space saving, energy conservation.
This is used to buy American products.
This is more than offset by rebates and tax credits.

Best For Fast Delivery: Rheem High Efficiency Hot Water Heater

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If you want nothing less than the best suitable heater, then a high - efficiency hot water heater is the one you should definitely consider, as it manages to bring a lot to the table. The Rheem High Efficiency Hot Water Heater can be used in up to 5 bathrooms depending on inlet temperature. Enjoy fast delivery and continuous hot water so you can do the dishes, wash the laundry, give the pets a bath and still have hot water for a long, relaxing shower. In addition, this is required, otherwise the warranty will be void.

The heater is a series of high efficiency condensing tankless gas water heaters designed for continuous hot water and 180, 000 btu. Above all, the rheem high efficiency hot water heater provides instant hot water but also only provides it when needed.

Most buyers agree that the heater is a natural gas unit. In conclusion, buyers found this to be one of the best heaters for daily purposes.

Why We Like This:

This saves time and it has low emissions.
Check the approximate usage of your region in the table.
This is great for small compact and it is very happy.
Saving valuable space in your home.