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10 bestRinnai Water Heatersof July 2025

112M consumers helped this year.

1

RINNAI Condensing Gas Boiler, i090CN
RINNAI Condensing Gas Boiler, i090CN

Rinnai

9.8

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2

RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.
RINNAI RXP199iN Condensing Tankless Water Heater RXP199 Features 0.96 UEF with 199k BTU and Pump.

Rinnai

9.6

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3

Rinnai 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
Rinnai 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

Rinnai

9.4

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4

RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation
RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation

Rinnai

9.2

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5

Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 7.6 GPM, Indoor Installation, 199,000 BTU
Rinnai RE199iN Non-Condensing Natural Gas Tankless Water Heater, Up to 7.6 GPM, Indoor Installation, 199,000 BTU

Rinnai

8.9

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6

RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation
RINNAI Ru Series Sensei Se+ Tankless Hot Water Heater: Indoor Installation

Rinnai

8.7

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57% off

7

RINNAI RX199iN Condensing Tankless Water Heater RX199 Features 0.96 UEF with 199k BTU.
RINNAI RX199iN Condensing Tankless Water Heater RX199 Features 0.96 UEF with 199k BTU.

Rinnai

8.4

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8

Rinnai RL75iN Natural Gas Tankless Water Heater, 7.5-Gallons Per Minute
Rinnai RL75iN Natural Gas Tankless Water Heater, 7.5-Gallons Per Minute

Rinnai

8.1

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9

RINNAI cu Series Commercial Tankless Hot Water Heater: Indoor Installation
RINNAI cu Series Commercial Tankless Hot Water Heater: Indoor Installation

Rinnai

7.9

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10

RINNAI RL Series He+ Tankless Hot Water Heater: Indoor Installation
RINNAI RL Series He+ Tankless Hot Water Heater: Indoor Installation

Rinnai

7.6

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