The 10 Best Whole Home Tankless Water Heaters (2022 reviews)
There are plenty of options available while buying whole home tankless water heaters in the market right now, and if you're confused regarding which one to go for,
You have come to the right page.
Also, you can see our guides on Best Tankless Water Heaters and Best Only Water Heaters for a wider range of candidates.
Our review process:
Our Top Picks:
Best Overall: Buy: Stiebel Eltron Whole Home Tankless Water Heater READ REVIEWBest For Stainless Steel: Buy: Rinnai Whole Home Tankless Water Heater READ REVIEWBest For Temperature Control: Buy: Ecosmart Whole Home Tankless Water Heater READ REVIEWBest For Worth The Money: Buy: Rheem Whole Home Tankless Water Heater READ REVIEWBest For Outdoor Installation: Buy: Camplux Enjoy Outdoor Life Whole Home Tankless Water Heater READ REVIEWBest For High Temperature: Buy: Fogatti Whole Home Tankless Water Heater READ REVIEWBest For Water Pipe: Buy: Airreal Whole Home Tankless Water Heater READ REVIEWBest For Overall Length: Buy: Ez Tankless Whole Home Tankless Water Heater READ REVIEWBest For Digital Display: Buy: Ariston Whole Home Tankless Water Heater READ REVIEWBest For Space Saving: Buy: Velosan Whole Home Tankless Water Heater READ REVIEWBest Overall: Stiebel Eltron Whole Home Tankless Water Heater
Buy on Amazon Compared with other heaters in this category, the Stiebel Eltron Whole Home Tankless Water Heater has a design with broader appeal. The Stiebel eltron whole home tankless water heater is ideal for space saver,s It is input and has a safe design. Make sure this fits by entering your model number. Moreover, the heater is affordable, It is for domestic hot water and has a sleek design that saves space. Most importantly, the Stiebel eltron whole home tankless water heater is perfect for pipe fittings, works very well, it is good for long showers and has considered design.Most buyers quickly discovered that the heater is hard to get an estimate of how much power it draws overall. Also, a few also found that the heater is easy to understand and the controls are foolproof. Also, they strongly agree that the heater is great in a 2 - full - bath summer home. Overall, for most buyers, Stiebel Eltron product was just what they wanted.Customers say that getting a system whole home water filter, along with heater is useful.
Top Customer Quotes:
- Sleek design saves space and no venting required.
- This is built much, much better than other brands.
- This will provide an infinite supply of hot water.
- This is designed to heat a pool which has thousands of gallons in it.
Best For Stainless Steel: Rinnai Whole Home Tankless Water Heater
Buy on Amazon Compared with other heaters in this category, the Rinnai Whole Home Tankless Water Heater has a convenient design. The rinnai whole home tankless water heater equipped with circ-logic, is affordable, it is reliable and has a smart design. The Manufacturer says: Rated by a uniform energy factor (uef), our tankless water heaters are highly energy efficient, saving you from expensive power and water costs. This ru199in compact tankless water heater has a longer lifespan since water runs continuously through pipes. Most importantly, the rinnai whole home tankless water heater is good for point of use, It is great for instant heating and has an efficient design.Almost all customers agree that the heater is all dependent on the size of the unit, your temp setting, ground water temp, and air temp. Also, they strongly agree that the heater will depend on your furnace settings. In addition, a few say that this unit is a condensing water heater and the drip is called condensate and should be safely disposed of.Customers discovered that getting a system whole home water filter, along with heater is useful.
Top Customer Quotes:
- This has one for the inlet and one for the outlet.
- This will vary both btu and water flow rate depending on conditions and demand.
- This is guaranteed to last, it is white and has a controller design.
- This is highly recommend, it works like a charm and has a compact design.
Best For Temperature Control: Ecosmart Whole Home Tankless Water Heater
Buy on Amazon The Ecosmart line of heaters comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Ecosmart Whole Home Tankless Water Heater is very impressive. It has responsive customer service and has a controller design. The Manufacturer says: The eco 36 is the most powerful model of our full line of tankless water heaters, with the capacity to handle a large single-family home. This smart - technology tankless water heater is ideal for the northern United States, where incoming water temperatures can reach as low as 37 degrees f. The eco 36 is capable of heating nearly 3.5 gallons per minute at this low temperature. Above all, the ecosmart whole home tankless water heater is ideal for providing hot water for apartments, condominiums, townhomes and other whole home applications.Most customers opine that the heater comes with a strain-relief clamp. And, a few say that the heater was introduced in 2014 approximately and is so advanced that it remains substantially unchanged. Moreover, a few strongly agree that the heater is perfect for off grid situations paired with solar. In short, many have used the heater for more than a few months without letup, and it shows no sign of giving up.Customers discovered that getting a system whole home water filter, with this heater made their life much easier.
Top Customer Quotes:
- This is enough of a temperature rise for installations across n. America in the winter.
- This sucking a ton of power when it's on.
- Ecosmart tankless water heaters are 99.8-percent energy efficient.
- This is installed. It works really well and is easy to use.
Best For Worth The Money: Rheem Whole Home Tankless Water Heater
Buy on Amazon The features department is where the whole home tankless water heater truly manages to shine. The whole home tankless water heater is built for powerful performance and it is perfect for a good deal. When tankless electric point-of-use water heaters are installed close to where you need hot water, less water is wasted down the drain while waiting for hot water to reach the tap. Moreover, it has saved money, is made worth the money and it is security. The heater is perfect for wire size, comes with a digital temperature display and it saves money. And, the heater heats water quickly and it is perfect for more power. Above all, the whole home tanklesswater heater comes with a water connection, is designed for water inlets and it works well.Almost all customers quickly discovered that the heater is where tech support earns its five stars and the rheem system subsequently earned it'ssssss five stars. In addition, they say that the heater is good for 65 amps. Further, they also found that the heater is very wimpy on the high volume. Overall, most buyers agree that the heater suits them best, and no one questions it.Few customers bought system whole home water filter, along with the heater.
Top Customer Quotes:
- This comes with water connections, is plenty hot and it is very happy.
- This takes 7 eight gauge wires to run 3-220v elements + ground and the 3.
- This will help protect your heating coils and increase the lifetime of your unit.
- This saves energy and it allows for easy installation.
Best For Outdoor Installation: Camplux Enjoy Outdoor Life Whole Home Tankless Water Heater
Buy on Amazon Next on the list, we've got yet another heater that manages to win our hearts. It's the Camplux Enjoy Outdoor Life Whole Home Tankless Water Heater and it's widely considered as one of the most convenient heaters you can buy. The Camplux enjoys outdoor life. The whole hometankless water heater allows for very good quality, It is very hot and has a water heater design. Delivers 528 gallons per minute of on - demand endless hot water to suit the medium. In addition, it is affordable, it is great for water saving and has an efficient design. The heater is great for thermal efficiency, is used for environmental protection, It is very good and has a controller design. Further, the heater is good for off-grid, It is good for high thermal efficiency and has a safe design. Finally, the camplux enjoys outdoor life. The whole home tankless water heater can resist grade 8 wind speed and 240pa high anti-wind pressure.Most buyers found that the heater is easy to install and understand the digital read out. Also, they strongly agree that the heater has an element that keeps it from freezing, but if you're going to leave it unattended it suggests that you drain it, which is easily accomplished. In short, many have used the heater for more than a few months without any issues, and it shows no sign of giving up.Top Customer Quotes:
- This is highly recommend, it is installed easily and has a safe design.
- This comes with a similar regulator and hose.
- This looks nice, allows for good flow, it is reliable and has a tankless design.
- This is suitable for 3-4 people, whole house and outdoor use.
Best For High Temperature: Fogatti Whole Home Tankless Water Heater
Buy on Amazon Next on the list, we've got yet another heater that manages to win our hearts. It's the Fogatti Whole Home Tankless Water Heater and it's widely considered as the heater that has the most suitable features. The fogatti wholehome tankless water heater features multiple safety protections and also comes with 7.0 gpm and 170, 000 btu heating capacity through natural gas intake, It is suitable for 3-4 outlets for the whole family. The manufacturer says: We will sincerely solve any problems of our customers. And, this works flawlessly, It allows for hot water output and has a controller design. The heater heats up quickly, it is very good and has a tankless design. Further, the 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. Above all, the fogatti whole home tankless water heater is for overheating protection, It is great for pressure relief valves and has a safe design.Most customers think that the heater is a very efficient and instant - on - demand domestic water heater. Moreover, they say that the heater is great for backyard use or adu. Moreover, they say that the gas tankless waterheater can satisfy 3 to 4 taps at the same time. In short, the tone of buyers is very positive and we believe that the heater suits the purpose.Customers found that buying a system whole home water filter, along with heater is useful.
Top Customer Quotes:
- This can be used, but there may be local rules against it.
- This is a pretty installation…mark.
- This is an insta hot liquid propane water heater without a water tank.
- This is a standard 3 inch type b (double wall) vent pipe.
Best For Water Pipe: Airreal Whole Home Tankless Water Heater
Buy on Amazon We would, of course, be remiss if we didn't mention the whole home tankless water heater for daily usage. The whole home tankless water heater is designed for water inlets and it saves space. 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. This wall - mounted water heater uses 90 % less space than a traditional hot water heater with a tank. Most importantly, the whole hometankless water heater saves energy and it is safe to use.One customer says - "Please remember to use a rubber seal ring. ". Almost all buyers found that the heater is easy to install and works the way it should. In conclusion, for almost all buyers, it was just what they wanted.Why We Like This:
- You turn on the faucet and the water is freezing cold.
- New and hot releases.
Best For Overall Length: Ez Tankless Whole Home Tankless Water Heater
Buy on Amazon The Ez Tankless Whole Home Tankless Water Heater is specially designed for your daily purpose and has plenty of most useful features. The ez tankless wholehome tanklesswater heater is fully automatic, It is great for thermal efficiency and has a waterheater design. If your gas is supplied by an energy company and piped into your home from underground, you are most likely in need of a natural gas unit. The ez ultra water heater includes a stainless steel vent for horizontal venting, but requires the purchase of 2 " pvc for vertical venting. The heater allows for vertical venting, horizontal venting, or diagonal venting, just keeping the overall length less than 30ft. Also, it is extremely efficient, provides high thermal efficiency, it stays warm and has a cool design. Most importantly, the ez tankless whole home tankless water heater is turned off, the tankless heater will automatically extinguish itself.Most customers opine that the heater is used to heat the water. In addition, a few strongly agree that the heater is easy to adjust the temperature. In conclusion, the tone of buyers is very positive and we believe that the heater suits the purpose.Customers say that buying a system whole home water filter, along with heater is useful.
Top Customer Quotes:
- This can be vented horizontally or vertically using a 2" solid core schedule 40 pvc/cpvc.
- can be answered by asking yourself a few simple questions.
- Back-draft prevention device and a stainless steel horizontal vent pipe are included.
- This is an easy to understand advanced technology display.
Best For Digital Display: Ariston Whole Home Tankless Water Heater
Buy on Amazon The best part: a whole home tankless water heater costs comparatively little and it is available to ship in 24 hours. And, the heater is best for digital displays and has a smart design. Powerful enough to supply endless, on-demand hot water for your entire home. Most importantly, the whole home tankless water heater is made of dependable copper to help corrosion resistance.Why We Like This:
- Self-modulating power control and smart control logic digital display ensures steady output temperature.
- The compact design allows for installation flexibility to provide hot water where you need it.
- One of the newcomers and featured product.
Best For Space Saving: Velosan Whole Home Tankless Water Heater
Buy on Amazon Next on the list, we've got yet another heater that manages to win our hearts. It's the Velosan Whole Home Tankless Water Heater and it's widely considered as the heater that has the most suitable features. The velosan whole home tankless water heater reduces the formation of scale and corrosion, increases the service life of the water heater, and reduces maintenance costs. The Manufacturer says: We recommend that you find a professional electrician for installation. The tankless water heater has a small volume and takes up little space. The heater is good for space saving, is very good, It is super small and has an electricity separation design. Also, it is easy to follow, it very efficiently and has a safe design. Finally, the velosan whole home tankless water heater means no need to waste time reheating after restarting the equipment.Most buyers agree that the heater is a very heavy - duty and small yet very powerful tankless hot water heater. Also, they also found that the heater is rated for southern pa but ca get water over 103. Also, they also found that the old heater is like a closet and a long time to heat the water if it is off. In conclusion, at the price, they believe that they got a steal of a deal with it.Why We Like This:
- This has ETL certification and has a flame-retardant device.
- This comes with multiple protection measures such as leakage protection, overheating protection, etc.
- This is energy efficient too, it is great for high performance and has a tankless design.
- This will automatically stop heating when it detects that there is no water passing through.