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.
Advertising Disclosure
10 Best rinnai tankless hot waters of 2025
Save up to 29% off
Best Choice1
RinnaiNEW Rinnai RXP199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU, with Recirculation Pump
Key specs-
maximum flow rate:11 Gallons Per Minute
-
special features:Smart-Circ technology
-
heat output:N/A
-
wattage:98 watts
-
voltage:120 Volts
9.8Exceptional
-
-
Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
Careful review Our team ensures quality, value, and fit based on real user feedback
Trusted insights AI and human analysis guide your decisions, reflecting real user prioritiesReal users impact
Thousands of users trust our site daily
- Based on millions of stores and reviews
- Shoppers influence our rankings
Analyzing top stores
Value for Money2
RinnaiNEW Rinnai RX199iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 11.1 GPM, 199,000 BTU
Key specs-
maximum flow rate:11.1 GPM
-
special features:Indoor/outdoor install
-
heat output:N/A
-
wattage:N/A
-
voltage:N/A
9.7Exceptional
Our Rating
-
3
RinnaiRinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
29% OffKey specs-
maximum flow rate:7.5 Gallons Per Minute
-
special features:Energy Factor of .82
-
heat output:N/A
-
wattage:N/A
-
voltage:120 Volts
9.6Exceptional
Our Rating
-
4
RinnaiRinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation
Key specs-
maximum flow rate:5.3 GPM
-
special features:Endless Hot Water
-
heat output:81 Kilowatts
-
wattage:N/A
-
voltage:N/A
9.4Excellent
Our Rating
-
5
RinnaiRinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
9.3Excellent
Our Rating
-
-
See Today’s Deals & Prices
6
RinnaiNEW Rinnai RX160iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 9 GPM, 160,000 BTU
Key specs-
maximum flow rate:Up to 9 GPM
-
special features:Versa Vent, Smart Sense
-
heat output:N/A
-
wattage:N/A
-
voltage:N/A
9.0Excellent
-
7
RinnaiRinnai V53DeN Natural Gas Tankless Water Heater - 5.3 GPM, Outdoor Installation
Key specs-
maximum flow rate:5.3 GPM
-
special features:Endless Hot Water
-
heat output:81 Kilowatts
-
wattage:N/A
-
voltage:120 Volts
8.9Very Good
Our Rating
-
8
RinnaiRinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU
Key specs-
maximum flow rate:5.3 GPM
-
special features:LED Display
-
heat output:N/A
-
wattage:140000 watts
-
voltage:N/A
8.6Very Good
Our Rating
-
9
RinnaiRinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 9.8 GPM, Indoor Installation, 199,000 BTU
Key specs-
maximum flow rate:7.6 GPM
-
special features:LED Display
-
heat output:199000 BTU
-
wattage:199000 watts
-
voltage:N/A
8.5Good
Our Rating
-
10
RinnaiNEW Rinnai RX180iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 10 GPM, 180,000 BTU
8.3Good
-
