The 10 Best Cold Water Tankless Water Heaters (2022 reviews)
It is important to have the best cold water tankless water heater.
We are here to help you choose the best one for your needs from all the best available products in market today.
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 Cold Water Tankless Water Heater READ REVIEWBest For Temperature Control: Buy: Bosch Rmotechnology Cold Water Tankless Water Heater READ REVIEWBest For Light Commercial Applications: Buy: Rinnai Cold Water Tankless Water Heater READ REVIEWBest For Remote Control: Buy: Ecosmart Cold Water Tankless Water Heater READ REVIEWBest For Easy Replacement: Buy: Rheem Cold Water Tankless Water Heater READ REVIEWBest For Camping Super Hot Water: Buy: Gasland Cold Water Tankless Water Heater READ REVIEWBest For Worth The Money: Buy: Camplux Enjoy Outdoor Life Cold Water Tankless Water Heater READ REVIEWBest For Stainless Steel: Buy: Camplux Cold Water Tankless Water Heater READ REVIEWBest For Residential Use: Buy: Rmoflow Cold Water Tankless Water Heater READ REVIEWBest For Water Pipe: Buy: Airreal Cold Water Tankless Water Heater READ REVIEWBest Overall: Stiebel Eltron Cold Water Tankless Water Heater
Buy on Amazon The heater is a must have add-on for your daily use. The Stiebel Eltron Cold Water Tankless Water Heater is easy to read, while the interior solid copper heating system does all the power work. 4 make sure you have sufficient electrical service for the model. The stiebel eltron tempra 15 trend tankless water heater will typically use 15. Lastly, the stiebel eltron cold water tankless water heater is that conventional tank water heaters continually store hot water, and as a result, lose 15%-20% of the total energy consumed to the environment around them.Almost all customers agree that the heater will work rather quickly with the low - powered 15 kilo watt model. Moreover, a few also found that the heater is easy to understand and the controls are foolproof. And, they strongly agree that the reason for this is that the heater has two copper tanks where the heating takes place. In short, at the price, they believe that they got a steal of a deal with it.Customers say that getting a sediment filters for tankless water heater, along with heater is useful.
Top Customer Quotes:
- This is built much, much better than other brands.
- It looks like you are interested in the 29 kw one.
- This is designed to heat a pool which has thousands of gallons in it.
- This comes with 2 hot wires and a ground wire.
Best For Temperature Control: Bosch Rmotechnology Cold Water Tankless Water Heater
Buy on Amazon The Bosch Rmotechnology Cold Water Tankless Water Heater should be able to handle its purpose and duties with ease. The bosch rmotechnology cold water tankless water heater is used for three different applications. The 2.5 gallon point-of-use mini-tank fits under your sink to provide hot water right where you need it. This electric water heater is easy to maintain and has premium glass - lined material for a long service life. The heater heats quickly, It works with tankless heaters and has a cool design. Lastly, the bosch rmotechnology cold water tankless water heater can supplement a primary water heating source, or be used under a single sink.Almost all customers agree that the heater is easy to install & very convenient to have under the kitchen sink. Furthermore, a few also found that the heater fits nicely in the cabinet with the garbage can and cleaning supplies. Moreover, they also found that this water heater is the perfect size to supply warm water, mainly needed in the winter. Obviously, this heater passed the test and had very satisfied buyers eager to share their experience.Customers discovered that getting a water booster pumps with tank, along with heater is useful.
Top Customer Quotes:
- This is used for one specific area.
- This does a great job heating the water quickly.
- This works flawlessly, it is great with good packaging and has considered design.
- This comes out really hot at default settings.
Best For Light Commercial Applications: Rinnai Cold Water Tankless Water Heater
Buy on Amazon Best part: Rinnai cold water tankless water heater costs comparatively little and it is available to ship in 24 hours. The Rinnai Cold Water Tankless Water Heater has saved money, is perfect for easy setup, It is safer and has a low nox design. Make sure this fits by entering your model number. Also, the heater is great for cost savings, is great for continuous hot water, it is current and has a space-saving design. Lastly, the rinnai cold water tankless water heater is plenty hot, it has gained dependability and has a tankless design.Most buyers found that the heater was made in Japan and is very reliable and efficient. Also, they strongly agree that the heater provides hot water on-demand and it was installed over a year ago. Moreover, a few strongly agree that the heater needs about 5 - 10 lbs of continuous pressure to operate properly.Top Customer Quotes:
- This is durable and it is designed for easy installation.
- Enhanced scale detection lessens the possibility of serious, long-term damage to the unit.
- This has a vent on it and needs to be left clear.
- This is equipped with circ-logic, it instals easily and has an efficient design.
Best For Remote Control: Ecosmart Cold Water 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 Ecosmart Cold Water Tankless Water Heater and it's widely considered as the heater that has the most suitable features. The ecosmart cold water tankless water heater can provide between 1.3 and 3.1 gallons-per-minute depending on the inlet water temperature. Make sure this fits by entering your model number. This smart technology electric tankless water heater is configured for climates where incoming water temperature is 67 degrees f and above. Most importantly, the ecosmart cold water tankless water heater is elegant, it saves time and has a sleek design.Most customers found that the heater is located in the mountains on a well and septic tank. Also, a few say that the heater is easy to install-will buy again. In addition, a few strongly agree that the heater has both been very reliable and works like a champ. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.Customers discovered that getting a sediment filters for tankless water heater, with this heater made their life much easier.
Top Customer Quotes:
- This will not take more than 30 minutes to swap out.
- It has all the hot water they want at the time they want.
- This went well, works very well and it is great with unlimited hot water.
- This provides plenty of hot water for everyone.
Best For Easy Replacement: Rheem Cold Water Tankless Water Heater
Buy on Amazon Compared with other heaters in this category, the Rheem Cold Water Tankless Water Heater has a convenient design. The rheem cold watertankless water heater works for compression fittings, it can do for customer service and has a tankless design. Make sure this fits by entering your model number. Moreover, it looks great, It works with tankless heaters and has a compact design. The heater is popular for cabins, works perfectly, it is current and has an efficient design. Above all, the rheem cold water tanklesswater heater looks good, It is very good and has a unique design.Almost all buyers found that the heater is important so that no moisture remains inside the waterways. Moreover, a few also found that the heater is based on a temperature setting of 105 deg f. Moreover, a few strongly agree that the heater works as soon as flow is detected and turns off when there is no flow. In conclusion, at the price, they believe that they got a steal of a deal with it.Top Customer Quotes:
- This has worked like a champ.
- It is best to get a heater recommendation from the manufacturer.
- It is never recommended to use a TWH for a pool.
- This is the way the knob works.
Best For Camping Super Hot Water: Gasland Cold Water Tankless Water Heater
Buy on Amazon We would, of course, be remiss if we didn't mention Gasland Cold Water Tankless Water Heater for daily purpose. The gasland coldwater tankless water heater has good build quality, It is ideal for outdoor showers and has a water heater design. Also, you can wash your pets with this tankless water heater outside. The propane water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise. The heater works very well, it comes with excellent customer service and has a safe design. Most importantly, the gasland cold water tankless waterheater is adjustable, It is best for digital display and has a smart design.Most customers opine that the heater is recommended that you use it in a well-ventilated environment to ensure safety. Moreover, they also found that the heater can be obtained at most hardware stores. Also, they say that the heater is great, never runs out of hot water. Overall, at the price, they believe that they got a steal of a deal with it.Top Customer Quotes:
- This is quite the wrestling match.
- This is turned on fully to hot.
- This is 41000btu for the 6l be158 water heater.
- This is a camping water heater that runs on propane.
Best For Worth The Money: Camplux Enjoy Outdoor Life Cold Water 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 Cold Water Tankless Water Heater and it's widely considered as the heater that has the most suitable features. The camplux enjoys outdoor life. cold water tankless water heater lasts a long time and it works very well. Csa safety testing standards ensure your safety-flame failure device, anti-freezing protection, over heating protection to ensure the family 's safety. The propane water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise. The heater heats fast and has an efficient design. Finally, the camplux enjoys outdoor life. cold water tanklesswater heater is very impressive and comes with great customer service, It is lightweight and has a water heater design.Almost all customers quickly discovered that the heater had a metal connector that would fit the hot water output connector. Also, they strongly agree that the heater is working perfectly without problems. Moreover, they also found that the heater came with an intake hose. Overall, the tone of buyers is very positive and we believe that the heater suits the purpose.Top Customer Quotes:
- This will get hella h*o*t. addition works well but it leaks.
- This comes with a large bottle end, 20 or 30 pound bottles.
- This is perfect for barns, cabins, delivers instant hot showers for dogs and horses.
- This provides enough psi to get great heat out of this camplux unit.
Best For Stainless Steel: Camplux Cold Water Tankless Water Heater
Buy on Amazon The Camplux Cold Water Tankless Water Heater is satisfactory and appropriate and fits well with your daily needs. The camplux cold watertankless water heater is current, It is for water flow rate and has been considered design. On demand water heater only heats the water when you need it and there is no waiting for it to preheat. This mini water heater is only suitable for sink use, not for bath. The heater is perfect for more storage space, it is for high efficiency and has a waterheater design. Also, it can be mounted multi-angled, ideal for kitchen, wet bars, school, hospital, hair salons and boats. Lastly, the camplux coldwater tankless water heater allows for hot water supply, has a led display, It is best for digital displays and has a standing design.Almost all customers agree that the heater is turned on more than a quarter of the flow rate. Moreover, a few also found that the heater will save your time and money and buy a different unit. Moreover, a few strongly agree that the tanked heater cues up way way late because of the preheated water coming in. Besides the if factor with the two water heaters, it is as if there is one 200 gallon water heater.Top Customer Quotes:
- It is easy to get hot water between 85f.
- This has to be turned way down in order to get hot water.
- This can be read in any mounting configuration.... also displays celcius or fahrenheit.
- This is perfect for under sink installation.
Best For Residential Use: Rmoflow Cold Water Tankless Water Heater
Buy on Amazon Not everyone likes to purchase a heater for their daily purpose, but the Rmoflow Cold Water Tankless Water Heater would be an anomoly. The rmoflow cold water tankless water heater works perfectly and it is current. Make sure this fits by entering your model number. Further, the heater is very impressive. It is durable and has an efficient design. The heater is highly recommended and has a compact design. Finally, the rmoflow cold water tankless water heater heats quickly and it is best for customer service.Most customers opine that the heater comes with a 2 year warranty. Further, they say that the heater is used for most 120v units to make sure they break the circuit completely. Overall, the tone of buyers is very positive and we believe that the heater suits the purpose.Top Customer Quotes:
- This has required breakers, it makes for a great buy and has a water heater design.
- This can be used in a residential shower, It is designed for sinks only.
- This is a nice little unit that installs easily and works well.
- This works as advertised, It has required wire and has a tankless design.
Best For Water Pipe: Airreal Cold Water Tankless Water Heater
Buy on Amazon 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 Airreal Cold Water Tankless Water Heater is exactly that - it's a simple heater that hits all the right notes. The airreal cold water tankless water heater is designed for water inlet,s saves energy and it is safe to use. Make sure this fits by entering your model number. This wall - mounted water heater uses 90 % less space than a traditional hot water heater with a tank. Above all, the airreal cold water tankless water heater saves space, is good for important notes and it is energy efficient.One customer says - "Only using power to heat when you are ready for it saves you money. ". Most customers found that the heater is easy to install and works the way it should.Why We Like This:
- You turn on the faucet and the water is freezing cold.
- Lot of satisfied buyers.