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10 bestRinnai Gas Heatersof December 2025

112M consumers helped this year.

1

Rinnai i060SN Condensing Gas Boiler, Whole Home Natural Gas Heater with Space-Saving Design and Smart Features, (60K BTU)
Rinnai i060SN Condensing Gas Boiler, Whole Home Natural Gas Heater with Space-Saving Design and Smart Features, (60K BTU)

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 i150SN Condensing Gas Boiler, Whole Home Natural Gas Heater with Space-Saving Design and Smart Features, (150K BTU)
Rinnai i150SN Condensing Gas Boiler, Whole Home Natural Gas Heater with Space-Saving Design and Smart Features, (150K BTU)

Rinnai

9.2

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20% off

5

Ranein Natural Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
Ranein Natural Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater

Ranein

8.9

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

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Rinnai RU180iN Condensing Tankless Hot Water Heater, 10 GPM, Natural Gas, Indoor Installation

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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

8.6

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7

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

8.4

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8

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

Rinnai

8.1

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9

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

Rinnai

7.8

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10

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

Rinnai

7.6

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