10 Best Natural Gas Water Heaters

Updated December 2025

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1.

EcoSmart ECO 11 Electric Tankless Water Heater, 13KW at 240 Volts with Patented

9.6

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2.

Marey Power Gas 10L 2.7 GPM Natural Gas Digital Panel Tankless Water Heater

9.5

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3.

Eccotemp i12-NG Tankless Water Heater

8.8

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4.

Rinnai V65IN Tankless Water Heater, Large, V65iN-Natural Gas/6.5 GPM

8.5

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5.

Rinnai V Series HE Tankless Hot Water Heater: Outdoor Installation

8.2

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6.

Camplux Tankless Water Heater Natural Gas,3.18 GPM High Efficiency Instant Hot Water Heater

CAMPLUX ENJOY OUTDOOR LIFE

8.0

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7.

Takagi T-H3M-DV-N Condensing Direct Vent Tankless Water Heater, Natural Gas

7.8

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8.

Rinnai RUR Series Sensei SE+ Tankless Hot Water Heater: Indoor Installation - RUR199iN

7.5

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9.

Noritz NR66ODNG Outdoor Tankless Water Heater, max. 140,000 Btuh, 6.6 Gpm - Natural

7.3

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lowest price

10.

Marey Power Gas 10L 3.1GPM Natural Gas Tankless Water Heater

9.2

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