10 Best rinnai tankless hot waters of 2026

Explore top picks

1

Rinnai
NEW 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
Main highlights

Versatile Installation Options
Installable indoors or outdoors with Versa Vent and Smart Sense gas system.

Ideal for High-Demand Homes
Supports up to 7 fixtures simultaneously with 11.1 GPM flow rate.

Exceptional Customer Support
Praised for knowledgeable and friendly service, ensuring user satisfaction.
Key specs
- maximum flow rate:11 Gallons Per Minute
- wattage:98 watts
- maximum pressure:150 Pound per Square Inch
- special features:Smart-Circ technology
- maximum temperature:140 Degrees Fahrenheit
9.8

Exceptional

Our Rating
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2

Rinnai
NEW 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
Main highlights

Versatile Installation
Install indoors or outdoors with Smart Sense gas control.

Ideal for Large Households
Supports up to 7 fixtures simultaneously with 11.1 GPM.

Endless Hot Water
Customers praise its ability to provide continuous hot water.
Key specs
- maximum flow rate:11.1 GPM
- special features:Indoor/outdoor install
- heat output:N/A
- voltage:N/A
- wattage:N/A
9.7

Exceptional

Our Rating

8.0
Easy installation

8.0
Temperature control
3

Rinnai
Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
Main highlights

Compact and Powerful Design
The Rinnai RL75IN delivers up to 7.5 GPM, providing endless hot water in a compact size suitable for various spaces.

Ideal for Multi-Fixture Use
Perfect for homes needing simultaneous hot water for multiple showers, laundry, and dishwashing with its high flow rate.

Highly Reliable Performance
Customers praise its reliability and efficiency, noting significant energy savings and consistent hot water supply.
9.6

Exceptional

Our Rating

8.7
lasts a long time

8.7
Tech Support

8.4
worth the money
4

Rinnai
Rinnai V53DeN Natural Gas Tankless Water Heater - 5.3 GPM, Outdoor Installation
Main highlights

Unlimited Hot Water Flow
Enjoy endless hot water with Rinnai's tankless design.

Ideal for Multi-Appliance Use
Supports up to 4 appliances with optimal water pressure.

Highly Praised for Reliability
Customers love its consistent performance and durability.
Key specs
- maximum flow rate:5.3 GPM
- special features:Endless Hot Water
- heat output:81 Kilowatts
- voltage:120 Volts
- wattage:N/A
9.5

Excellent

Our Rating

9.3
Thermal power

8.9
Efficient Energy Use

8.2
worth the money
5

Rinnai
Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation
Main highlights

Unlimited Hot Water Supply
Enjoy endless hot water with a compact, durable design, ideal for any home.

Ideal for Multi-Appliance Homes
Perfect for homes needing simultaneous hot water for up to four appliances.

Highly Efficient Energy Use
Praised for energy efficiency, only heating water as needed to conserve energy.
Key specs
- maximum flow rate:5.3 GPM
- special features:Endless Hot Water
- heat output:81 Kilowatts
- voltage:N/A
- wattage:N/A
9.3

Excellent

Our Rating

9.1
worth the money

8.7
Easy installation

8.2
Temperature control
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6

Rinnai
NEW Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 7.1 GPM, 130,000 BTU
Main highlights

Compact Yet Powerful
The Rinnai RX130iN delivers up to 7.1 GPM, supporting four fixtures simultaneously.

Versatile Installation Options
Install indoors or outdoors using the Versa Vent system.

Energy Efficiency Praised
Customers love its UEF .97 efficiency, reducing energy bills.
9.2

Excellent

Our Rating
7

Rinnai
Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 9.8 GPM, Indoor Installation, 199,000 BTU
Main highlights

Key Features
Energy-efficient, tankless design heats water on demand. Features LED error codes, and offers up to 7.6 GPM for simultaneous use across 6 fixtures.

Ideal Use Cases
Perfect for busy households needing constant hot water across multiple bathrooms and kitchens. Compact size ideal for small spaces.

Customer Reviews Highlight
Most praised for never running out of hot water, reliability, and the compact, space-saving design.
Key specs
- maximum flow rate:7.6 GPM
- special features:LED Display
- heat output:199000 BTU
- voltage:N/A
- wattage:199000 watts
9.1

Excellent

Our Rating

9.1
Easy installation

8.9
Temperature control

8.0
Tech Support
8

IGIUA

H98-510-S tankless Water Filter Parts for Rinnai Tankless Water Heater Inlet Screen Assembly (2 PACK) (H98-510-S (2 pack))
9.0

Excellent

Our Rating

9.9
Easy installation

9.9
Long life

9.9
worth the money
9

IGIUA

H98-510-S tankless Water Filter Parts for Rinnai Tankless Water Heater Inlet Screen Assembly (2 PACK) (H98-510-S (2 pack))
8.9

Very Good

Our Rating

9.9
Easy installation

9.9
Long life

9.9
worth the money
10

Rinnai
Rinnai RUR160eN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas, Outdoor Installation
Main highlights

Key Features
Energy-efficient design, up to 9 GPM flow rate, instant heating with ThermaCirc360 technology, and 15-year warranty on heat exchanger.

Ideal Use Cases
Best for homes lacking a dedicated return line, needing constant hot water supply, or looking to save space and reduce energy bills.

Customer Reviews
Most praised for its quick and consistent hot water delivery, significantly improving daily comfort and convenience.
Key specs
- maximum flow rate:9 GPM
- special features:ThermaCirc360 technology
- heat output:N/A
- voltage:120 Volts
- wattage:N/A
8.7

Very Good

Our Rating

8.7
Temperature control

8.0
Easy installation

8.0
Tech Support

10 Best rinnai tankless hot waters of 2026

1

NEW 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

How do we rank?

How do we rank?

Analyzing top stores

2

NEW 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

8.0

8.0

3

Rinnai RL75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation

8.7

8.7

8.4

4

Rinnai V53DeN Natural Gas Tankless Water Heater - 5.3 GPM, Outdoor Installation

9.3

8.9

8.2

5

Rinnai V53DeP Propane Tankless Water Heater, 5.3 GPM, Outdoor Installation

9.1

8.7

8.2

6

NEW Rinnai RX130iN Condensing Smart Sense Natural Gas or Propane Tankless Water Heater, Indoor or Outdoor Water Heater, Up to 7.1 GPM, 130,000 BTU

7

Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 9.8 GPM, Indoor Installation, 199,000 BTU

9.1

8.9

8.0

8

H98-510-S tankless Water Filter Parts for Rinnai Tankless Water Heater Inlet Screen Assembly (2 PACK) (H98-510-S (2 pack))

9.9

9.9

9.9

9

H98-510-S tankless Water Filter Parts for Rinnai Tankless Water Heater Inlet Screen Assembly (2 PACK) (H98-510-S (2 pack))

9.9

9.9

9.9

10

Rinnai RUR160eN Condensing Tankless Hot Water Heater, 9 GPM, Natural Gas, Outdoor Installation

8.7

8.0

8.0

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