The 11 Best Eco Tankless Hot Water Heaters (2022 reviews)

eco tankless hot water heaters
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Are you looking for collection of best eco tanklesshot water heaters ? Your search ends here.

Our review process:

Our Top Picks:

Best Overall:
Buy: Ecosmart Water Heater
READ REVIEW

Best For Temperature Control:
Buy: Ecosmart Tankless Heater
READ REVIEW

Best For More Power:
Buy: Ecosmart Tankless Electric Water Heater
READ REVIEW

Best For Stainless Steel:
Buy: Ecosmart Instant Hot Water Heater
READ REVIEW

Best For Pipe Fittings:
Buy: Ecosmart Hot Water Heater
READ REVIEW

Best For Space Saving:
Buy: Ecosmart Electric Tankless Water Heater
READ REVIEW

Best For Long Hot Showers:
Buy: Ecosmart Natural Gas Based Water Heater
READ REVIEW

Best For Water Pipe:
Buy: Ecosmart Tankless Water Heater
READ REVIEW

Best For High Temperature:
Buy: Ecosmart Tank Heater
READ REVIEW

Best For Remote Control:
Buy: Ecosmart Great Water Heater
READ REVIEW

Best For Boiler:
Buy: Eco Tankless Hot Water Heater
READ REVIEW

Best Overall: Ecosmart Water Heater

Ecosmart Water Heater
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If you want nothing short of the optimal heater for your daily needs, this product is certainly the best investment. The Ecosmart Water Heater heats up quickly. It is great for home improvement and has an efficient design. Make sure this fits by entering your model number. Also, it is great for easy job and has a smart design.

The heater is super fast, it is used for plumbing connections and has a compact design. Most importantly, the ecosmart water heater is designed for water inlet,s saves water, It is great for washing hands and has a water heater design.

Almost all customers opine that the heater is a 3/8 inch where there is a shutoff valve. In addition, they also found that the heater takes 20 minutes or so to re heat...great unit. Moreover, they also found that the heater works with 15 amps and can get pretty hot. In conclusion, the tone of buyers is very positive and we believe that the heater suits the purpose.

Top Customer Quotes:
  • This is plenty hot, is commercial, it allows for great ideas and has considered design.
  • Sleek and compact design with digital output temperature display.
  • These make on-demand portable propane units that are more suitable.
  • This will work unlike this type.

Best For Temperature Control: Ecosmart Tankless Heater

Ecosmart Tankless Heater
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If you want nothing but the most reliable heater, then this product is the one you should definitely consider. The Ecosmart Tankless Heater is highly recommend, It is great for lower temperatures and has an efficient design. The product is easy to use. Further, the heater is very small, it is suitable for ease of installation and has a cool design.

Finally, the ecosmart tankless heater is inexpensive, it works well with water saver and has a safe design.

Almost all customers agree that the heater is too slow, the heater outlet temperature will get very warm. In addition, they say that the heater will take 8300 btu to raise the temperature by 1 degree. Also, a few strongly agree that the heater provides plumbing diagrams. In short, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This has been running trouble-free since then.
  • This is compatible with Siemens pl and es series load centers.
  • This comes with a lifetime warranty when professionally installed.
  • It takes about 8.3 btu to raise one gallon of water by one degree.

Best For More Power: Ecosmart Tankless Electric Water Heater

Ecosmart Tankless Electric Water Heater
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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate heater. The product is exactly that - it's a simple product that hits all the right notes. The Ecosmart Tankless Electric Water Heater is maintenance-free, is very good and it is used for recreational vehicles. 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. In addition, this has saved time, is easy to replace, it is perfect for lower temperatures and has an efficient design.

The heater is responsible for most scale formation in pipes, water heaters, finishes and flat surfaces, and other water using appliances. Lastly, the ecosmart tankless electric water heater is very nice, It is very happy and has a water heater design.

Most buyers quickly discovered that the heater makes a world of difference. And, a few strongly agree that the heater is 220v, which would be a lot. And, a few say that the heat exchangers inside the heater are 3 copper pipes, cross connected in series with about 1/2 " dia. To sum up, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • Product 1: copper and stainless components.
  • This is designed to help reduce scale build-up and corrosion.
  • This has brass construction, saves space, has paid attention and has a cool design.
  • This is great with well water and whole house water softening.

Best For Stainless Steel: Ecosmart Instant Hot Water Heater

Ecosmart Instant Hot Water Heater
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The Ecosmart Instant Hot Water Heater's superior materials make sure that it ages well with use. The ecosmart instant hot water heater is very nice, saves water, it works for an easy job and has an efficient design. And when you want to eliminate the wait for hot water but need more volume, install the eco smart heater in-line with a larger hot water source, such as a thankless heater or a storage tank heater. Moreover, it is plenty hot, has little unit, it is good for good quality and has considered design.

Lastly, the ecosmart instant hot water heater warms up quickly, is very happy, It is designed for easy installation and has a water heater design.

Most buyers opine that the heater is also quite a bit more expensive. And, they say that the heater is pretty energy efficient. Also, a few say that the heater makes 1/2" pex female fittings that thread right onto the incoming and outgoing water lines. To sum up, at the price, they believe that they got a steal of a deal with it.

Top Customer Quotes:
  • This is designed for water inlet,s It works as advertised and has a portable design.
  • Ecosmart tankless water heaters are 99.8-percent energy efficient.
  • It is manufactured in the United States.
  • This comes in various lengths.

Best For Pipe Fittings: Ecosmart Hot Water Heater

Ecosmart Hot Water Heater
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The Ecosmart Hot Water Heater is suitable and reliable and fits well with your daily needs. The ecosmart hot water heater heats up quickly. It has a little unit, It works fast and has a portable design. . Moreover, the heater never runs out, It is good for stainless steel and has a compact design.

The heater is designed for water inlet,s it lets it fill and has an efficient design. Moreover, this is for washing hands, is horizontal and it has little space. Finally, the ecosmart hot water heater is used for plumbing connections, is commercial, it saves energy and has been considered design.

Almost all customers opine that the heater is great for about 7.5 months. Moreover, a few say that the heater is used for a sink in a workshop to have warm water. In addition, they also found that the fittings on the heater are plastic and have a bevel on the top. In short, for most customers, the heater was what they were looking for.

Top Customer Quotes:
  • This is perfect for an outdoor kitchen.
  • This is only for faucets, but they work great so far.
  • It takes a bit of time for warm/hot water to flow to the kitchen faucet.
  • This is made from for a correct answer to that question.

Best For Space Saving: Ecosmart Electric Tankless Water Heater

Ecosmart Electric Tankless Water Heater
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Compared with other products by Ecosmart, the Ecosmart Electric Tankless Water Heater has a convenient design. The ecosmart electric tankless water heater is practical, it sets the water temperature and has been considered design. Know if the product is highly durable. This water heater will provide endless hot water and only consume the energy needed, giving the user complete control.

The heater is lead free, it comes with a warranty card and has a compact design. Further, the heater works perfectly, It is very robust and has a cool design. Lastly, the ecosmart electric tankless water heater is used for energy saving, It is inexpensive and has a smart design.

Most buyers opine that the heater is tremendously aided by using outdoor - rated PVC conduit to snake the wiring behind the wall. Also, a few also found that the heater was cheaper than a 50 gal tank heater. Moreover, they strongly agree that the new tankless water heater delivers hot water to the most distant point of use as quickly as the old tank water heater. To sum up, the tone of buyers is very positive and we believe that the heater suits the purpose.

Top Customer Quotes:
  • This is now leaking from the copper pipes inside the unit.
  • This is 17" on the longest side, and only weighs 11 pounds.
  • It has a lot of currents running through it.
  • This includes these electrical specs.

Best For Long Hot Showers: Ecosmart Natural Gas Based Water Heater

Ecosmart Natural Gas Based Water Heater
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The Ecosmart Natural Gas Based Water Heater is capable of outshining several other products featured in this list in overall features in its price range. The ecosmart natural gas based waterheater is used for consistent heat, never runs out, It is used for new gas tanks and has a controller design. Digital temperature control allows you to set your temperature in increments of 1 degree. This smart technology electric tankless water heater is configured for climates where incoming water temperature can reach as low as 37 degrees.

The heater is well-suited for homes in the northern u.s., Canada, and in the southern u.s. for large roman-style or jacuzzi tubs that generally have more demanding water usage needs. Most importantly, the ecosmart natural gas based water heater is capable of heating nearly 3 gallons per minute at this temperature.

Almost all customers opine that the heater is so nice to not having to worry about hot water running for showers or constantly adjusting the temp. Further, a few strongly agree that the heater is going to cost around $1200. Further, a few strongly agree that the water heater easily keeps up with a shower and the kitchen sink running at the same time.

Top Customer Quotes:
  • This was used for 7 years before it quit working.
  • This is the same thing as your gas heater but using electricity instead of gas.
  • Save up to 12 cubic feet of storage space.
  • This is obviously very pricey, but a good investment, nonetheless.

Best For Water Pipe: Ecosmart Tankless Water Heater

Ecosmart Tankless Water Heater
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The Ecosmart Tankless Water Heater is the most desirable product on the market today. The ecosmart tankless water heater is great for a great price, works amazing and it is good for space saving. . Also, this is lead - free and it is cheaper than traditional.

Finally, the ecosmart tankless water heater makes for great performance, is used for new gas tanks and its unit is compact.

Most buyers agree that the heater is great for a small 1 - person home. And, they also found that the heater is designed for a full family capacity. Also, they also found that this would replace your tank type waterheater and you would have endless hotwater in the shower. To sum up, most customers found the heater suits best, and no one questions it.

Top Customer Quotes:
  • These are anywhere from $650 to $2, 000 with decent reviews.
  • This is used for plumbing connections, heat wells and it has required breaker.
  • This works well as a whole house for a small home.
  • This can be covered with any type of insulation if you feel the need.

Best For High Temperature: Ecosmart Tank Heater

Ecosmart Tank Heater
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The Ecosmart Tank Heater is capable of outshining several other products featured in this list in overall features for the price point. The ecosmart tank heater is used for energy saving, is connected to breakers and it can be used for constant hot water. Consistent hot water when you need it that never runs out. Also, this provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature.

Above all, the ecosmart tank heater is ideal for providing hot water for whole home applications.

Almost all buyers quickly discovered that the heater is a way of measuring heating by flame. Further, they strongly agree that the heater can be a viable replacement, but it doesn't work on gas. And, a few say that note: if the water heater is placed far away from your hot water point of use, then a cool hot water pipe may reduce the hotwater temperature until the hot water pipe heats up.

Top Customer Quotes:
  • This works perfectly, is designed for a great price and it comes with a warranty card.
  • This maintains water temperature even when not being used.
  • This is made for a very good unit and it once again.
  • This is easy to use and has a large led display.

Best For Remote Control: Ecosmart Great Water Heater

Ecosmart Great Water Heater
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The Ecosmart Great Water Heater should be able to handle its purpose and duties with ease. The ecosmart great water heater can provide between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature. Ecosmart features advanced self-modulating technology, only using the amount of energy needed to heat water when you need it. In addition, it is great for a great price, is designed with excellent choice, it is sleek and has an elegant design.

The heater works perfectly, is great for simple installation, It is suitable for fast heating and has a tankless design. Above all, the ecosmart great water heater can be used in colder climates as a point of use for a sink or other low - flow application.

Almost all buyers quickly discovered that the heater provides hot water on demand, beyond expectations, set up in limited space. In addition, a few say that the heater has all the hot water they want at the time they want. And, a few strongly agree that the heater is easy to install and doesn't take up any room. Therefore, buyers were eager to recommend it to friends and would-be buyers.

Top Customer Quotes:
  • This has working as expected and does a great job in colder climates.
  • This has a shipping weight of 7.4 pounds but an item weight of 78 pounds.
  • This is located in the mountains on a well and septic tank.
  • Eco 11 can be used for multiple or single applications depending on your climate.

Best For Boiler: Eco Tankless Hot Water Heater

Eco Tankless Hot Water Heater
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The Eco Tankless Hot Water Heater should be able to handle its purpose and duties with ease. The eco tanklesshot water heater works as advertised, can be used for constant hot water and it is good for ease of installation. Save 5 percent on your water heating cost with an ecosmart electric tankless water heater. Moreover, the heater is plenty hot and it allows for large water.

Above all, the ecotankless ot water heater is great for cost savings, is inexpensive and it is good for home improvement.

Almost all customers opine that the heater is because the ecosmart heaters are fully modulating 100 times per second based on those inputs. And, a few strongly agree that the heater will hold a warm/hot water setting even at low flow from the faucet. And, they say that the eco 36 36 kw tankless water heater requires four separate 40 amp double pole ( 240v ) breakers. Without any doubt, this heater passed the test and had very satisfied buyers eager to share their experience.

Top Customer Quotes:
  • It is easy to install and the instructions were simple to understand, clearly written.
  • This is intelligent, is great for quick installation and it works with tankless heaters.
  • Never run out of hot water with an ecosmart tankless water heater.
  • This is good for you to ask and understand the limitations of tankless water heaters.