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9 Best propane tankless water heaters of 2025
Save up to 25% off
Best Choice1
Clicked 1,197 times in the last monthRinnaiNEW 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-
maximum flow rate:11.1 GPM
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special features:Indoor/outdoor install
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wattage:N/A
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maximum pressure:N/A
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maximum temperature:N/A
9.9Exceptional
Our Rating
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Value for Money2
RinnaiRinnai RE140iP Non-Condensing Propane Tankless Water Heater, Up to 5.3 GPM, Indoor Installation, 140,000 BTU
Key specs-
maximum flow rate:5.3 GPM
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special features:LED Display
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wattage:140000 watts
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maximum pressure:N/A
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maximum temperature:N/A
9.6Exceptional
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3
RaneinRanein Propane Gas Tankless Water Heater, Indoor Max 3.6 GPM, 80,000 BTU Instant Hot Water Heater
9.5Excellent
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VELPAXPropane Tankless Water Heater, 4.21GPM 16L Indoor,Constant Propane Water Heater,Instant Hot Propane Gas Water Heater with Fahrenheit Digital Display,Multi-Protection
9.4Excellent
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5
forimoTankless Water Heater Propane 4.74GPM 18L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat
Key specs-
maximum flow rate:4.74 gallons/minute
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special features:Lightweight
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wattage:68,000 BTU/hour
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maximum pressure:110 PSI
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maximum temperature:167 F
9.1Excellent
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VELPAXPropane Tankless Water Heater, 4.74GPM 18L Indoor,Constant propane water heater,Instant Hot Propane Gas water heater with Fahrenheit Digital Display,Multi-Protection
9.0Excellent
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7
CAMPLUX ENJOY OUTDOOR LIFECAMPLUX Tankless Water Heater Outdoor, 1.32 GPM Portable Propane Camping Water Heater, 5L, AY132, White
Key specs-
maximum flow rate:1.32 GPM
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special features:Flame Failure Protection
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wattage:10 KW
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maximum pressure:3.0 PSI
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maximum temperature:114.8 F
8.9Very Good
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8
STPFFOTPropane Tankless Water Heater Outdoor, 5.2 GPM 130000 BTU On Demand Hot Water Heater with Remote Control, 110V Residential Instant Propane Waterheater
8.8Very Good
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9
GASLANDGASLAND BE158 Propane Tankless Water Heater 6L, Outdoor Portable Hot Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White
25% OffKey specs-
maximum flow rate:1.58 GPM
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special features:Flame Failure Protection, Dry Combustion Protection, Overheat Protection, High Water Pressure Protection, Anti-Freezing Protection, Low Water Flow Protection
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wattage:12000.00
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maximum pressure:110 PSI
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maximum temperature:109.4°F
8.7Very Good
Our Rating
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