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9 Best natural gas tankless waters of 2025
Save up to 25% off
Best Choice1
Clicked 1,444 times in the last weekRinnaiNEW 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
Key specs-
special features:Indoor/outdoor install
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maximum flow rate:11.1 GPM
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maximum pressure:N/A
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maximum temperature:N/A
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heat output:N/A
9.8Exceptional
Our Rating
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Value for Money2
RheemRheem RTG-95DVLN-3 High Efficiency Non-Condensing Indoor Tankless Natural Gas Water Heater, 9.5 GPM
25% OffKey specs-
special features:Leak Detection & Prevention
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maximum flow rate:9.5 Gallons Per Minute
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maximum pressure:N/A
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maximum temperature:140 Degrees Fahrenheit
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heat output:N/A
9.7Exceptional
Our Rating
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3
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
9.5Excellent
Our Rating
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4
FOGATTIFOGATTI Natural Gas Tankless Water Heater Indoor - Up to 5.1 GPM 120,000 BTU Instant Hot CSA Certified Compact Design Tankless Water Heater for 2-4 Outlet Points - Instagas Comfort 120S Series
15% OffKey specs-
special features:Multi-Point Hot Water Supply
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maximum flow rate:5.1 GPM
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maximum pressure:150 PSI
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maximum temperature:N/A
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heat output:N/A
9.4Excellent
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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)
Key specs-
special features:Steady Temperature Control
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maximum flow rate:4.74 GPM
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maximum pressure:3.6 PSI
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maximum temperature:167 F
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heat output:68000 BTU/hour
9.1Excellent
Our Rating
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forimoTankless Water Heater Natural Gas,4.21GPM 16L Indoor,Instant Hot Gas Water Heater, with Fahrenheit Digital Display,Multi-Protection (Black)
Key specs-
special features:Steady Temperature Control
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maximum flow rate:4.21 gallons/min
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maximum pressure:3.6 PSI
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maximum temperature:167 F
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heat output:68000 BTU/hour
9.0Excellent
Our Rating
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7
RheemRheem RRTGH84DVLN3701171 Rheem RTGH Series 8.4 GPM 157,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater Stainless Steel
15% Off8.9Very Good
Our Rating
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8
VELPAXNatural Gas Tankless Water Heater,5.26GPM 20L Outdoor,Instant Hot Natural Gas Water Heater with Fahrenheit Digital Display,Multi-Protection
8.8Very Good
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9
GASLANDGASLAND Gasmart E Natural Gas Tankless Water Heater, Whole House Up to 7.6 GPM 199000 BTU Indoor Installation Residential On-demand Instant Hot Water Heater, CE686NG
8.7Very Good
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