10 Best Propane Tankless Water Heater of December 2025

List of Top Rated Propane Tankless Water Heater from thousands of customer reviews & feedback.

Updated On Dec 2025

1,097 Reviews Studied

By Customer Ratings

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Happybuy Propane Hot Water Heater 18L Tankless Propane Water heater 4.8GPM Propane Tankless Water Heater 36KW Upgrade Ty... Read Review

  • 【PREMIUM QUALITY】- Tankless water heater; Gas Supply: LPG(Liquid Petroleum Gas); Power: 36KW; Hot Water Output: 18L/min(4.8GPM); Anti-rust stainless steel case, high-temperature resistant copper water devices. Also come with a propane gas regulator & hose, and a water filter.
  • 【EFFORTLESS CONTROL】- Clear LED display of current water temperature, rotate gas supply & water output control knob to adjust hot water temperature easily. Also provide summer/winter mode to select for energy saving.
  • 【MULTI-LEVEL PROTECTION】- Care much about safety on use, thus to adopt several protection methods, like: Over 75℃ protection, low water flow protection etc. Also can start at low water pressure, come with a shower head kit as gift.
  • 【WALL-MOUNT DESIGN】- It is light-weight, portable and tankless to installed on the wall for space-saving. Copper standard G1/2" hose connectors, φ4.5" smoke exhaust pipe output(not include).
  • 【DIVERSIBLE APPLICATION】- CE passed product, fast to heat, perfect for bathroom showering, hand washing, or pet showering, sink cleaning. Provide you constant hot water, especially on winter or cold places. Enjoy a cozy showering at any time.

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Camplux Pro 6L 1.58 GPM Outdoor Portable Propane Tankless Water Heater With 1.2 GPM Water Pump Read Review

  • With low water pressure ignition, this heater can function with 3.0 PSI of water pressure.
  • Aesthetically pleasing and simple design features with folding handle for easy portability.
  • 1.58 gallons per minute of hot water output, savings in energy use will be immediately noticeable. It delivers endless hot water with optimal energy efficiency!
  • The maximum temperature raise is 114.8℉(46℃) and the minimum temperature raise is 46.4℉(8℃)for 1.58 GPM.
  • Flame failure device, anti-freezing protection and oxygen depletion safety shut-off protection.

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Eccotemp L5 Portable Outdoor Tankless Water Heater Read Review

  • Being Designed and developed in Summerville SC USA, The Eccotemp L5 is the only legal CSA Certified portable tankless water heater on the market that can legally be sold in the US and Canada!
  • Lightweight, easy to carry, and compact, makes using it for camping, hunting, in your Tiny Home, RV’s, Poolside, Washing Pets, Equestrian, Cleaning Vehicles, Greenhouses or anywhere else that you need instant reliable endless hot water perfect for hot water anywhere you need it.
  • Runs on a standard 20 lb. liquid propane tank and is equipped with an electronic ignition. Powered by 2 “D” cell batteries, making it ideal for on-the-go. Make the L5 even more convenient and pair it with the EccoFlo 12v water pump, allowing you to have hot water in the most remote locations!
  • Real, appointment based dedicated support available M-F, 8am-8pm EST. Eccotemp also offers live chat and 24/7 self help desk to keep you in HOT WATER. With educated technical support, manuals, troubleshooting all available at your fingertip you’ll have peace of mind when purchasing an Eccotemp product.
  • Rated at 1.5 GPM the L5 can produce hot water with water pressure as low as 20PSI and achieve temperatures ranging from 50-140 degrees F. Simply adjust the water and gas flow to achieve your desired temperature.

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Eccotemp i12-LP water heater, 4 GPM, Black Read Review

  • Whole home indoor, gas powered tankless water heater, rated at 4 GPM that activates only on demand and no pilot light needed, reducing energy consumption
  • Sleek, modern design with black tempered glass front panel featuring an easy to use LED display controls
  • Features fully automatic temperature controls with an energy saving mode and child lock technology
  • Safe electronic ignition system; Plugs into standard 110v electrical outlet with UL-listed cord
  • Uses standard 1/2" NPT water fittings and comes with horizontal venting allowing for a convenient and quick installation

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VEVOR 18L Upgrade Type Tankless Propane Water Heater 4.8GPM Propane Hot Water Heater with Water Filter & Gas Regulator f... Read Review

  • 【PREMIUM QUALITY】- Tankless water heater; Gas Supply: LPG(Liquid Propane Gas); Power: 36KW; Hot Water Output: 18L/min(4.8GPM); Anti-rust stainless steel case, high-temperature resistant copper water devices. Also come with a propane gas regulator & hose, and a water filter.
  • 【EFFORTLESS CONTROL】- Clear LED display of current water temperature, rotate gas supply & water output control knob to adjust hot water temperature easily. Also provide summer/winter mode to select for energy saving.
  • 【MULTI-LEVEL PROTECTION】- Care much about safety on use, thus to adopt several protection methods, like: Over 75℃ protection, low water flow protection etc. Also can start at low water pressure, come with a shower head kit as gift.
  • 【WALL-MOUNT DESIGN】- It is light-weight, portable and tankless to installed on the wall for space-saving. Copper standard G1/2" hose connectors, φ4.5" smoke exhaust pipe output(not include).
  • 【DIVERSIBLE APPLICATION】- CE passed product, fast to heat, perfect for bathroom showering, hand washing, or pet showering, sink cleaning. Provide you constant hot water, especially on winter or cold places. Enjoy a cozy showering at any time.

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Marey GA10LP Power 10L 3.1 GPM Propane Gas Tankless Water Heater, Liquid, White Read Review

  • Provide endless hot water on demand and only as needed
  • Save up to 60% on electricity bills for water heating
  • Compact design saves space and is easy to install almost anywhere
  • No electrical connection is required so it's perfect alternative for those homes experiencing frequent power outages
  • Unlimited hot water whenever is needed
  • 5-year
  • Allows water temperature to be controlled
  • Rustproof, no water loss due to leaks
  • Works easily with low levels of water pressure

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Rinnai RL94iP HE+ Tankless Hot Water Heater, Propane/9.4 GPM, Indoor Installation Read Review

  • Propane tankless water heater for indoor installation only
  • Up to 9.4 GPM hot water flow rate (varies by groundwater temp)
  • Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts).
  • Endless hot water for your entire home, right when you need it.

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Rinnai V Series HE Tankless Hot Water Heater: Outdoor Installation Read Review

  • Endless hot water for your entire home
  • V65eP HE High Efficiency Tankless Hot Water Heater - Propane: Outdoor Installation Only
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

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Rinnai V65iP High Efficiency Tankless Hot Water Heater, 6.5 GPM - Propane Gas: Indoor Installation Read Review

  • V65iP HE High Efficiency Tankless Hot Water Heater - Propane: Indoor Installation Only
  • Up to 6.5 GPM hot water flow rate (varies by groundwater temp)
  • Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode.
  • Endless hot water for your entire home.10,300 BTU (Minimum) / 150,000 BTU (Maximum)
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

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Tankless Water Heater, GASLAND Outdoors BE158R 1.58GPM 6L Portable Gas Water Heater, Instant Propane Water Heater, Overh... Read Review

  • 🎁【CSA Approved Safety 】CSA approved Gasland tankless water heater, safe as per Canadian and US Standard. Flame failure device, anti-freezing protection, over heating protection to ensure the family safety. Automatically decrease water pressure between 2.5-110PSI. The anti-freezing drain plug can discharge the residual water to avoid freezing in cold areas or in case of long time no use. High water temperature protection over 167 °F. Shut off gas supply automatically under unexpectable flameout.
  • 🎁【Lightweight Portable Design】 Compact size and lightweight design for easily carry. It can bring a amazing hot shower for you when you are camping, to the beach, etc. Also you can wash your pets with this tankless water heater in outdoor. Hang it using the mounting bracket on the top/back of the gas water heater. It only takes you a few minutes to install it. Or you can install it according to the instructions.
  • 🎁【On Demand Hot Water】 Maximum power output 41,000BTU/Hr, get instant endless hot water easily wherever you are. No need to preheat before using tankless water heater. As soon as you turn on the tap, the water flows with your desired temperature. Low water pressure start up, just need 2.5 PSI of water pressure. 1.58 gallons per minute of on-demand hot water. Fully adjustable heat and water flow.
  • 🎁【Energy Saving】 Compact and light weight structure with 11.5% energy saving technology. The propane water heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise. You will save more when you use our tankless water heater.
  • 🎁【Excellent Customer Service】We have local professional team to offer you excellent service. If you have any problem, please feel free to contact us from 9:00 am to 6:00 pm by dialing the hotline (844)538-7890 on working days.