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10 Best gas water heaters of 2025
Save up to 20% off
Best Choice1
RaneinRanein Propane Gas Tankless Water Heater, Outdoor Max 7.4 GPM, 190,000 BTU Instant Hot Water Heater
9.9Exceptional
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Value for Money2
RinnaiNEW 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
9.8Exceptional
Our Rating
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3
RheemRheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
9.7Exceptional
Our Rating
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4
RaneinRanein Natural Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
9.6Exceptional
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5
forimoTankless Water Heater Natural Gas,4.74GPM 18L Indoor,Instant Hot Gas Water Heater,Constant Natural Water Heater with Fahrenheit Digital Display,Multi-Protection (Black)
9.3Excellent
Our Rating
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BaotreeTankless Water Heater Propane, 4.76 GPM RV Water Heater with Digital Display,18L Portable Instant Hot Gas Water Heater with Overheating Protection for Indoor and Camping,115,425 BTU
9.2Excellent
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7
RheemRheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 7.0 GPM
9.1Excellent
Our Rating
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8
CAMPLUX ENJOY OUTDOOR LIFECAMPLUX Tankless Water Heater Outdoor, 1.32 GPM Portable Propane Camping Water Heater, 5L, AY132, White
20% Off9.0Excellent
Our Rating
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9
Virego18L Tankless Water Heater Natural Gas,68000 BTU Indoor Instant Hot Natural Gas Water Heater 4.74GPM,110V/120V 60HZ 3.6kW Constant Natural Water Heater with Fahrenheit Digital Display
16% Off8.9Very Good
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10
NessxaTankless Water Heater Propane, 3.66 GPM RV Water Heater with Digital Display,14L Portable Instant Hot Gas Water Heater with Overheating Protection for Indoor and Camping,85300 BTU
8.7Very Good
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