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Top 12 Best Outdoor Tankless Hot Water Heaters 2022

Last update on 2022-10-03 / Affiliate links / Images from Amazon Product Advertising API

1. Noritz NRC66ODNG Outdoor Condensing Tankless Water Heater, 6.6 GPM – Natural Gas

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  • endless hot water
  • compact and space-saving design
  • low nitrogen oxides
  • very high efficiency

outdoor tankless hot water heaters Noritz NRC66ODNG Outdoor Condensing Tankless Water Heater, 6.6 GPM - Natural Gas

2. Tankless Water Heater, Camplux Pro 6.86 GPM Outdoor Propane Tankless Water Heater With Advanced High Capacity Flow Control, Residential Gas Water Heater For 3-4 Persons Whole House

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  • low nitrogen combustion, energy saving. the tankless gas water heater adopts a low-nitrogen balanced combustion design, a v-shaped stainless steel burner, and the heating efficiency is as high as 89.98%. the average energy efficiency range of the water heater is 0.89-0.92.
  • all-round antifreeze heating mold. when the ambient temperature is less than 41 ℉, the tankless gas water heater will automatically heat. so you don’t need to wait for heating, no need to drain after use.
  • dc frequency conversion fan-propane gas water heater comes with a dc frequency conversion fan. the water heater can resist 8 strong winds, and there is no need to worry about water pressure on high floors.
  • intimate anti-scalding protection-the water heater without water tank is equipped with anti-scalding function to avoid the problem of excessively high set temperature (causing scalding) caused by children’s misoperation. therefore, it is impossible for the set temperature to exceed 122°f under normal operating conditions. before you set the temperature above 122 ℉, you need to close the water valve to put the water heater on standby.
  • 3 simultaneous application in winter. camplux’s advanced 6.86 gpm high-capacity flow control propane gas tankless water heater provides 6.86 gallons of on-demand endless hot water per minute, ensuring instant hot water for 3-4 people, showers for the entire family and a kitchen.

outdoor tankless hot water heaters Tankless Water Heater, Camplux Pro 6.86 GPM Outdoor Propane Tankless Water Heater with Advanced High Capacity Flow Control, Residential Gas Water Heater for 3-4 Persons Whole House

3. Rinnai Rur160ep Propane Gas Condensing Tankless Hot Water Heater, 9 GPM

  • guaranteed continuity: heat exchanger, labor and parts are 15 years, 5 years and 1 year residences.wireless monitoring.
  • optimal water pressure: up to 9 gpm of hot water flow, providing powerful and constant water flow
  • energy-saving and space-saving: a space-saving design saves energy because it only heats up when necessary
  • instant heating: thermcirc360 technology provides faster speed through built-in circulation pump, timer and water heaterhot water bypass valve-very suitable for families without a dedicated return line
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outdoor tankless hot water heaters Rinnai RUR160eP Propane Gas Condensing Tankless Hot Water Heater, 9 GPM

4. Hotaitai Portable Propane Water Heater, 6L Tankless Water Heater With Pure Copper Water Tank For Camping Hot Water Shower On Demand Hot Water For RV Outdoor Backyard Pet Grooming, 14 Lb, CSA Certified

    outdoor tankless hot water heaters Hotaitai Portable Propane Water Heater, 6L Tankless Water Heater with Pure Copper Water Tank for Camping Hot Water Shower On Demand Hot Water for RV Outdoor Backyard Pet Grooming, 14 lb, CSA Certified

    5. Rinnai V65en Natural Gas Tankless Hot Water Heater, 6.5 GPM

    • guarantee duration: 10 years, 5 years and 1 year residential factory warranty for heat exchangers, laborand parts
    • enhanced scale detection reduces the possibility of serious, long-term damage to the unit
    • optimum water pressure: up to 6.5 gpm of high-performance hot water flow, providing powerful, constant water flow
    • energy-saving and space-saving: the space-saving design saves energy because it only heats when necessary
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    outdoor tankless hot water heaters Rinnai V65eN Natural Gas Tankless Hot Water Heater, 6.5 GPM

    6. Rinnai V65ip Propane Tankless Hot Water Heater, 6.5 GPM

    • guaranteed continuous use: 10 years, 5 years and 1 year residential factory warranty for heat exchangers, labor and parts respectively
    • enhanced scale detection reduces the possibility of serious, long-term damage to equipment
    • energy-saving and space-saving: a space-saving design saves energy because it only heats up when necessary
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    • optimal water pressure: up to 6.5 gpm of high-performance hot water flow, providing a powerful and constant water flow

    outdoor tankless hot water heaters Rinnai V65iP Propane Tankless Hot Water Heater, 6.5 GPM

    7. CAMPLUX ENJOY OUTDOOR LIFE BD158 1.58GPM Outdoor Propane Tankless Gas Water Heater

    • compact size, 10-pound portable design-weighing 14 pounds, this 6-liter portable water heater is a great partner for camping, road trips and motorhomes. the camplux instant water heater brings you instant hot showers when you camp, hike, fish, and beach.
    • simple & safe installation-it takes only 5 minutes to get 1.58 gallons of instant hot water per minute. to avoid gas leakage caused by improper sealing of the water heater, do not wrap ptfe tape between the gas regulator and the intake pipe. the improper operation of the tankless water heater will “fire”. be sure to check for gas leakage before operation.
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    • 1.58 gpm on-demand instant heating-rated at 1.58 gpm, this on-demand water heater provides continuous hot water on demand, more efficient and energy-saving, and can save up to 50% of water heating costs.
    • csa certification testing standards to ensure your safety. flame extinguishing device, antifreeze protection and oxygen depletion safety shutdown protection, enjoy a more pleasant outdoor shower.
    • 3.0 psi low water pressure-when the water pressure is between 3.0-110 psi, this tankless propane water heater will light up. the 3.0 psi low water pressure is very suitable for camping and remote cabins. tankless gas water heaters can be widely used in rural areas, rvs and ships.

    outdoor tankless hot water heaters CAMPLUX ENJOY OUTDOOR LIFE BD158 1.58GPM Outdoor Propane Tankless Gas Water Heater

    8. Camplux 2.64 GPM Propane Gas Water Heater, Outdoor Camping Tankless Water Heater With Digital Display, White

    • energy saving-compact and lightweight structure, energy saving 11.5%. the heat exchanger and main burner of the propane gas water heater are designed with advanced combustion technology to reduce gas consumption and combustion noise.
    • 2.64 gpm instant hot water-the maximum power output is 68,000 btu/hour, no matter where you are, you can easily get 2.64 gallons of instant hot water. there is no need to preheat before using the tankless gas water heater. as long as you turn on the faucet, the water will flow at the temperature you want.
    • important notice-to avoid gas leakage caused by improper sealing of the water heater, do not wrap ptfe tape between the gas regulator and the air inlet pipe. improper operation of propane tankless water heaters will “fire”. be sure to check for gas leakage before operation.
    • lightweight and portable design-compact size and weight 23 pounds, easy to carry. use the mounting brackets on the top/back of the gas water heater to hang it. it only takes 15 minutes to install a propane water heater.
    • csa safety standard-csa safety standard approved tankless propane water heater, flameout device, antifreeze protection, overheating protection, to ensure home safety. automatically reduce the water pressure between 3.6-110 psi. the antifreeze drain plug can drain the remaining water to avoid freezing in cold areas or when it is not used for a long time. when the high water temperature protection exceeds 176 °f, the propane water heater will automatically shut down.
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    outdoor tankless hot water heaters Camplux 2.64 GPM Propane Gas Water Heater, Outdoor Camping Tankless Water Heater with Digital Display, White

    9. Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Propane Water Heater, Overheating Protection, Easy To Install, Use For RV Cabin Barn Camping Boat, White

    • ????[csa approved safety] gasland tankless water heater approved by csa, safe in accordance with canadian and american standards. flame extinguishing device, anti-freezing protection, overheating protection, to ensure home safety. automatically reduce the water pressure between 2.5-110psi. the antifreeze drain plug can drain the remaining water to avoid freezing in cold areas or when it is not used for a long time. high water temperature protection over 167 °f. when the flame is accidentally shut off, the gas supply is automatically turned off.
    • ????【quality customer service】we have a professional team to provide you with quality service. if you have any questions, please feel free to contact us from monday to friday.
    • ????【lightweight and portable design】small and lightweight design, easy to carry. it can bring you amazing hot showers when you camp, go to the beach, etc. you can also use this tankless water heater to bathe your pet outdoors. use the mounting brackets on the top/back of the gas water heater to hang it. it only takes a few minutes to install it. or you can install it according to the instructions.
    • ???? [on-demand hot water] the maximum power output is 41,000 btu/hr, so you can easily get instant continuous hot water anytime, anywhere. there is no need to preheat before using the tankless water heater. as long as you turn on the faucet, the water will flow at the temperature you want. starting at low water pressure, only 2.5 psi of water pressure is required. 1.58 gallons of hot water on demand per minute. fully adjustable heat and water flow.
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    • ????【energy saving】compact structure, light weight, energy saving 11.5%. the heat exchanger and main burner of the propane water heater are designed with advanced combustion technology to reduce gas consumption and combustion noise. when you use our tankless water heater, you will save even more.

    outdoor tankless hot water heaters Tankless Water Heater, GASLAND Outdoors BE158 1.58GPM 6L Outdoor Portable Gas Water Heater, Propane Water Heater, Overheating Protection, Easy to Install, Use for RV Cabin Barn Camping Boat, White

    10. Rheem RTG-84XLN-1 Performance Mid-Efficiency Tankless 84 Outdoor Water Heater, Gray

    • usefor outdoor use, the antifreeze degree is as high as -30 degrees.
    • exclusive water-saving technology, saving up to 1, 100 gallons per year
    • exclusive hot-start programming minimizes cold water bursting by keeping ready for ignition
    • 157,000 btu (gas consumed per hour)
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    • fuel type: natural gas
    • circulating pump ready kit

    outdoor tankless hot water heaters Rheem RTG-84XLN-1 Performance Mid-Efficiency Tankless 84 Outdoor Water Heater, Gray

    11. Rinnai Ru180ep Propane Gas Condensing Tankless Hot Water Heater, 10 GPM

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    • instant heating: equipped with circulation logic-paired with an external pump to reduce the waiting time for hot water through planned or on-demand recirculation
    • guarantee duration: 15-, 5-, and 1-year residential heat exchangers, labor and parts, respectively.wireless monitoring.
    • endless hot water: enjoy unlimited hot water throughout the house; compact, durable and easy to install;professional installation recommendation
    • energy-saving and space-saving: space-saving design saves energy because it only heats when necessary
    • optimal water pressure: up to 10 gpm of hot water flow, providing strong and constant water flow

    outdoor tankless hot water heaters Rinnai RU180eP Propane Gas Condensing Tankless Hot Water Heater, 10 GPM

    12. Tankless Water Heater Natural Gas Outdoor, FOGATTI On Demand Gas Water Heater For 3-4 Persons Home Use, 4.5 GPM, 180,000 BTU, 120V AC, White

    • 4.5gpm instant water heater: fogatti tankless water heater natural gas provides 4.5 gallons of unlimited hot water per minute on demand, ensuring continuous and comfortable instant hot water for 3-4 people in the whole house. it includes a digital remote control to heat water only when you need it. #
    • 99.99% copper content exchanger: use 99.99% copper content oxygen-free copper heat exchanger, the thermal conductivity is 23 times that of ordinary water heater 304 stainless steel water tank.
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    • easy to install: free up valuable floor space in the home, and install the water heater outdoors. fogatti tankless water heater adopts standard 3/4″ npt water pipe joints, which is convenient and quick to install. compatible with standard gas pipes, it is easier to replace traditional water tanks.
    • multiple protections ensure your safety: overheating protection, flameout protection, low water flow protection, high water pressure protection, dry burning production and antifreeze protection. designed for outdoor installation, waterproof, windproof, and anti-exposure.
    • continuous hot water: outdoor tankless water heater can meet all your hot water needs. you no longer need to choose between a comfortable shower, washing dishes and laundry. instant water heaters send out an endless stream of hot water, allowing happiness to flow continuously.

    outdoor tankless hot water heaters Tankless Water Heater Natural Gas Outdoor, FOGATTI on Demand Gas Water Heater for 3-4 Persons Home Use, 4.5 GPM, 180,000 BTU, 120V AC, White