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.
9 Best gas 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 RSC199iN Smart-Circ Condensing Gas Tankless Water Heater, Super High Efficiency Plus Natural Gas Water Heater, Up to 11 GPM, Indoor Installation, 199,000 BTU, Gray
9.7ExceptionalOur 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.More infoWhy we love it
This tankless hot water heater features SmartCirc technology for superior energy efficiency and convenience.It is only the size of a small suitcase, but provides up to 11 GPM. - Value for Money
2
RinnaiRinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation
29% Off9.5ExcellentOur 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.9.7
Temperature control9.5
Long life9.3
ComfortMore infoWhy we love it
Compact and easy to installUnlimited hot waterEnergy efficient 3
forimoTankless Water Heater Natural Gas,4.74GPM 18L Indoor,Instant Hot Gas Water Heater,Constant Natural Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)
9.2ExcellentOur 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.4
RheemRheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM
9.1ExcellentOur 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.5
RaneinRanein Natural Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
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.6
RinnaiRinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
14% Off8.9Very 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.8.9
Easy installation8.7
Tech Support8.2
Temperature controlMore infoWhy we love it
Compact design saves energy by heating water only when necessary.High performance up to 7.5 GPM hot water flow rate.Scale detection lessens possibility of serious damage to unit.7
MIZUDOMizudo Natural Gas Tankless Water Heater 3.6 GPM, 80,000 BTU Indoor Installation Instant Hot Water heater
15% Off8.8Very 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
FOGATTIFOGATTI Natural Gas Tankless Water Heater, Indoor 6.3 GPM, 145,000 BTU White Instant Hot Water Heater, InstaGas Comfort 145 Series
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.8.7
Easy installation8.0
Temperature control8.0
worth the moneyMore infoWhy we love it
Fast hot waterHigh heating capacityMultiple outlet points9
RheemRheem Mid-Efficiency 7.0GPM Indoor Natural Gas Tankless Water Heater
8.5GoodOur 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
Easy installation8.2
Temperature control8.0
Tech SupportMore infoWhy we love it
Endless Hot Water: Never run out, even with multiple showers.Cost Energy Saving: Save money and energy.Automated Control: Easily adjust water temperature.