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10 Best natural gas tankless water heaters of 2025
Save up to 21% off
- Best Choice
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Clicked 717 times in the last monthRheemRheem RTGH-95DVLN-3 RTGH Series 9.5 GPM 199,900 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
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- Value for Money
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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
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RaneinRanein Natural Gas Tankless Water Heater with Vent Pipe, Indoor Max 4.3 GPM, 100,000 BTU Instant Hot Water Heater
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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)
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OrbekNatural Gas Tankless Water Heater - ORBEK 100,000 BTU Up to 4.3 GPM Indoor Installation - CSA Certified On-Demand Instant Hot Water Heater 3/4" NPT Connector Size
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RinnaiRinnai RUCS65IN Tankless Hot Water Heater, 6.5 GPM, Natural Gas, Indoor Installation
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thermomateThermoMate 102,000 BTU 4.7 GPM Natural Gas Tankless Water Heater, High Efficiency Instant On-Demand Hot Water for Whole House Use, Indoor Residential Water Heater with Multi-Point Simultaneous Heating
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RinnaiRinnai V75IN Tankless Hot Water Heater, 7.5 GPM, Natural Gas, Indoor Installation
21% Off9
FOGATTIFOGATTI Natural Gas Tankless Water Heater - Outdoor Installation Up to 8.1 GPM, Gray Instant Hot Water Heater - Instagas Comfort 180S Series
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RheemRheem RTG-70DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 7.0 GPM