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10 bestTankless Gas Water Heatersof December 2024

112M consumers helped this year.

1

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

10.0

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2

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

Ranein

10.0

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6% off

3

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

Rinnai

9.9

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16% off

4

RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.
RINNAI RX160iN Condensing Tankless Water Heater RX160 Features 0.95 UEF with 160k BTU.

Rinnai

9.8

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5

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

9.6

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6

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

9.5

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7

Mizudo Propane Gas Tankless Water Heater 3.6 GPM, 80,000 BTU Indoor Installation Instant Hot Water heater
Mizudo Propane Gas Tankless Water Heater 3.6 GPM, 80,000 BTU Indoor Installation Instant Hot Water heater

MIZUDO

9.3

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8

Tankless Water Heater Natural Gas,4.74GPM 18L Indoor,Instant Hot Gas Water Heater,Constant Natural Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)
Tankless Water Heater Natural Gas,4.74GPM 18L Indoor,Instant Hot Gas Water Heater,Constant Natural Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)

DWALE

9.1

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9

Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute
Takagi T-H3-DV-N Condensing High Efficiency Natural Gas Indoor Tankless Water Heater, 10-Gallon Per Minute

TAKAGI

8.9

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10

Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU
Rinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU

Rinnai

8.6

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