Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
8 Best tankless water heater in the US
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
- Best Choice
1
RinnaiRinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
29% Off9.7ExceptionalOur RatingOur rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.9.7
Temperature control9.5
Long life9.3
ComfortMore infoWhy we love it
Compact and easy to installUnlimited hot waterEnergy efficient - Value for Money
2
RheemRheem RTEX-24 24kW 240V Electric Tankless Water Heater, Gray
9.5ExcellentOur RatingOur rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.More infoWhy we love it
On/Off Dial Control for easy operationSelf modulating power control for consistent hot waterFlow Rate: up to 5.9 GPM for RTEX 24 for continuous hot water 3
EcoSmartEcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented Self Modulating Technology
21% Off9.4ExcellentOur RatingOur rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.9.1
Efficient Energy Use8.9
Easy installation8.7
Temperature controlMore infoWhy we love it
Small and saves spaceOnly heats water when needed very efficientComes with a lifetime warranty4
EcoSmartEcoSmart ECO 27 Tankless Water Heater, Electric, 27-kW - Quantity 1, 17 x 17 x 3.5
9.3ExcellentOur RatingOur rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.8.4
Temperature control8.2
Efficient Energy Use8.0
Tech Support5
RheemRheem 240V Heating Chamber RTEX-13 Residential Tankless Water Heater, GRAY
57% Off9.1ExcellentOur RatingOur rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.8.9
Efficient Energy Use8.4
Easy installation8.4
Temperature controlMore infoWhy we love it
This product is great for people who want to have more control over the temperature of their water.With its two heating elements, this product is durable and can be easily replaced if necessary.This product is also very efficient, using only 99.8 of the energy it consumes.6
forimoTankless Water Heater 4.74GPM 18L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat Cabins
9.0ExcellentOur RatingOur rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.More infoWhy we love it
You will get instant, endless hot water easily wherever you are.Compact and lightweight structure with 11.5 energy saving technology.Comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in extended Long Stainless Steel Hose and Shower Holder.7
ECOTINYMACHECOTINYMACH Tankless Water Heater Electric 110V, 5000W Instant Water Heater Under Sink, Conversion Between Fahrenheit and Celsius, Remote Control
8.8Very GoodOur RatingOur rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.8
RheemRheem 11kW 240V Tankless Electric Water Heater
8.7Very GoodOur RatingOur rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.9.3
Efficient Energy Use8.7
Temperature control8.0
Tech SupportMore infoWhy we love it
You can easily turn it on and off with the dial control.The digital temperature display makes it easy to adjust the temperature.The self modulating power control ensures that you have a consistent and continuous supply of hot water.