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If you are traveling with a group, a regular hot bath could take up to two hours to complete. Who wants to waste time getting ready and then rushing to the next location? On the other hand, if you have a portable tankless water heater, you can take a hot shower in a matter of minutes and get to your next destination on time.
Tankless water heaters have the advantage of instantly heating water and providing an endless supply of hot water. As a result, you won’t have to wait as long to bathe in hot water.
Outdoor tankless water heaters are also portable and lightweight. As a result, you may effortlessly transport them on any adventurous excursion.
These water heaters may be connected to your local tap or any other water source, allowing cold water to flow through the pipe and into the warmer. They will heat the water directly rather than requiring a tank. The water heater can use either an electric or a gas element to heat the water.
Here are the top ten outdoor water heaters that we found on Amazon. Try these best tankless water heaters for showering if you’re going on an outdoor excursion, camping, or using it in your backyard.
Best Tankless Water Heaters 2023
#1: Camplux AY132 (5L / 1.32 GPM)
The Camplux tankless gas water heater is ideal for use at camping, cabins, or in the home. Take a hot shower, wash your car, wash your boat, and wash your pets or horse. It’s perfect for off-grid or other regions where energy isn’t easily available because the ignition is powered by two D cell batteries. 3.0110.0 PSI is the recommended working range for the 1.32 GPM Camplux portable tankless water heater.
Key Features:
- Fuel Type: Propane
- Flow rate: 1.32 GPM
- With Oxygen Depletion Sensor protection, it can be also installed indoors where is well ventilated.
- Turn the ignition on with 2 “D” cell batteries whenever electricity is not needed!
- Water Pressure Range: 3.0-110.0 PSI
- The system also works great on modified water systems with a 12-volt water pump
- Operating propane gas pressure is 0.4PSI with a maximum power output of 28,000btu/hour
- Size: 11.42 x 4.33 x 14.8 in
#2: Happybuy 18L Tankless Water Heater Propane
This is a great hot water heater that runs on LPG (Liquid Petroleum Gas) as its major source of energy. It will provide limitless hot water once it is turned on. With an LED current temperature display and a gas & water outlet knob that allows you to easily alter the water temperature. Protection on multiple levels to assure your safety. It is a must-have home appliance for your space because it is tiny, wall-mountable, and stylish.
Key Features:
- Hot Water Output: 18 L/min(4.8 GPM)
- Heater Output Power: 36 KW
- Gas Type: LPG(Liquid Petroleum Gas); Gas Pressure: 2800 Pa
- Water Temperature: 50 °F -140 °F(10℃-60℃)
- Water Connect: G1/2″; Rubber Gas Hose: φ 0.79″
- Suitable Water Pressure: 0.02 MPA-0.8 MPA
- Starting Pressure: 0.015 MPA
- Exhaust Way: Open & Force Flue Exhaust Type
- Discharge Ways: Flue Automatic Gas Discharge
- Ignition: 2pcs 1.5V D-Type Batteries (not included)
- Size: 13.7 x 6.3 x 25.6 inches
#3: Rinnai V53DeP Outdoor Tankless Hot Water Heater
Rinnai V53DeP is a fantastic propane tankless water heater. It’s the ideal blend of great efficiency, comfort, and affordability. Rinnai V53DeP is appropriate for small to medium homes or remodels because it is compact, quick to install, and reliable. It is also suitable for outdoor use.
Key Features:
- Fuel Type: Propane
- High Efficiency Tankless Hot Water Heater
- Up to 5.3 GPM hot water flow rate (varies by groundwater temp)
- Energy Factor: 0.82
- Uniform Energy Factor: 0.81
- 15,500 BTU (minimum) / 120,000 BTU (maximum)
- Control-R 2.0 mobile app features timers and schedules throughout the day and allows you to remotely put the system into vacation mode
- Warranty 10 yr / 5 yr / 1 yr
#4: Camplux Pro On-Demand Tankless Water Heater WA686LP
The Camplux 6.86 GPM tankless gas water heater is ideal for whole-house use, since it can simultaneously supply more than two hot water applications. The constant temperature function ensures that you always have hot water at a predetermined temperature. Anti-freeze gadget that heats up automatically when the temperature drops below 40°F (5°C). Camplux water heaters include advanced multiple protection systems and revolutionary combustion technology to assure your safety.
When using propane gas, the maximum power output is 180,000btu/hour, and the Camplux gas tankless water heater only operates at a maximum energy factor of 0.82. Low NOx emissions, on average 9.5ppm, are good for the environment. It simply takes a few minutes to get 6.86 gallons of hot water each minute. For easy flow control, a digital remote control with a 3.3-foot wire is included.
Key Features:
- Fuel Type: Propane
- Flow rate: 6.86 GPM
- Largest outdoor model
- Simple design.
- 180,000 BTU per hour
- Constant Temperature Function
- With an outdoor installation, no additional vent pipe needs to be purchased
- The startup water flow 0.79 gallons per minute
- Digital remote control
- Available adjustable temperature is 99ºF(37℃)-140ºF(60℃).
#5: Eccotemp L5 1.5 GPM Portable Outdoor Tankless Water Heater
Because the Eccotemp L5 is lightweight, portable, and compact, it’s ideal for camping, hunting, in your Tiny Home, RVs, Poolside, Washing Pets, Equestrian, Cleaning Vehicles, Greenhouses, and anywhere else where you need rapid, dependable, limitless hot water. It uses a normal 20-pound Liquid Propane tank and has an electrical ignition system. It is powered by two “D” cell batteries and is perfect for on-the-go use. According to the DOE, this tankless water heater meets or exceeds all safety and efficiency criteria. Hot water flow is rated at 1.5 gallons per minute (GPM), with a temperature range of 50 to 140 degrees Fahrenheit.
Key Features:
- Fuel Type: Propane
- Flow rate: 1.5 GPM
- Supercharged 37,500 BTU
- The operating pressure range 20~80 PSI
- Temperatures ranging from 50-140 degrees F
- CSA certified for use in the US and Canada
- Size: 18.00 x 11.50 x 5.25 Inches
#6: Hike Crew Portable Propane Water Heater & Shower
Do you enjoy the great outdoors but despise having to deal with dirty dishes, filthy hands, and bathing in below-freezing temperatures? Then you should definitely think about the Hike Crew portable water heater. This all-in-one water heater is designed for a range of outdoor applications and comes with everything you need to get started. Whether you’re camping, hiking, hunting, fishing, or backpacking, the heater is capable of swiftly, safely, and efficiently warming water for the entire family’s enjoyment. It can deliver up to 50 minutes of continuous water flow for a variety of rinsing chores. Water temperature, remaining battery life, ignition status, water inlet and outlet temperatures, and safety cutout may all be monitored via a built-in panel on the main unit.
Key Features:
- DC input voltage: 12V/5A
- Gas type: propane
- Water flow: 2.2L/minute (2.3qt/minute) on average
- Consumption: 5.7kWh (20.68Mj)/hour | 14.5oz (412g)/hour
- Battery: 50-minute continuous operation on full charge
- Dimensions: 9.65” L x 12.2” W x 11.8” H (245 x 310 x 300mm)
- Weight: 13.2lb (6.0kg) without propane tank
#7: HOTAITAI Portable Propane Water Heater
Wherever you go, the HOTAITAI device can provide rapid, unlimited hot water. There’s no need to preheat or wait. The water will flow at your selected temperature as soon as you flip on the switch on the shower rose or tap. Heat and water flow are both fully adjustable. It has a small footprint and weighs only 11 pounds, making it easy to transport. There’s no need to be concerned about water pressure. Your safety can be ensured by a variety of safeguards. The greatest outdoor hot water option, ideal for camping, RVs, or anywhere you need hot water.
Key Features:
- Max temperature: 125 F(52 degrees Celsius)
- Minimum temperature: 48.2 F(9 degrees Celsius)
- Required water pressure: 2.5 PSI
- Water flow: 6L/min
- Body size:17.32″*11.81″*5.12″
- Weight: 11lbs
- Faceplate material: stainless steel
#8: VIVOHOME 1.6GMP 6L Propane Gas Tankless Water Heater
The VIVOHOME Propane Water Heater is ideal for providing you with convenient and safe outdoor showering while also being efficient and cost-effective. The safety of CSA-approved heaters satisfies both Canadian and US standards, ensuring a safe showering environment for you and your family, your dogs, your automobiles, and even your boats. The maximum temperature may reach 149°F/65°C, which is suitable for a variety of shower scenarios while also preventing scorching from high water temperatures. 3145 PSI is the maximum water pressure that can be used. The water heater cannot be fired if the water pressure is less than 3 PSI. The design is light and flexible. It’s simple to carry thanks to the handle’s design.
Key Features:
- Material: cold-rolled sheet
- Specification: 6L
- Air Pipe Joint: G1/2″
- Water Pipe Joint: G1/2″
- Net/Gross Weight: 11/12.54 lbs.
- Maximum Water Pressure: 1000Kpa
- Battery Needed: 2 pcs D size batteries
- Applicable water pressure: 3～145 PSI
- Packing Size: 20.9” x 13.8” x 7.5”
#9: EZ 202 Tankless Water Heater
At a 45°F rise, this model can supply up to 3.2 gallons per minute of reliable and continuous hot water. This heater can run on 0.02Mpa (2.9 Psi) of water pressure with low water pressure ignition. This unit does not require a plug, making it ideal for use in a garage, barn, or outbuilding. This “no pilot light” design is both safe and simple, and it uses automated ignition to help you save even more energy. A garden hose inlet water supply is all that is required to run this unit. This device is ideal for people who require on-demand hot water on a regular basis. The EZ 202 is perfect for hunting or camping trips, or you may use it for semi-permanent OUTDOOR installations like long-term camp sites, modest lake homes, or cabins. Or for people who live in distant rural cottages and single-bathroom houses.
Key Features:
- Fuel Type: Propane (LPG) Gas
- Flow rate: 4 GPM
- Battery powered Ignition
- Digital display
- Weight: 15 LBS
#10: Hike Crew HICPWH025 Portable Propane Water Heater
Another top-rated propane water heater is the Hike Crew HICPWH025 by Hike Crew. Camping, hiking, hunting, fishing, backpacking, and other outdoor activities are all possible with this. While the heater is in use, an integrated panel on the main unit allows you to monitor the water temperature, ignition status, and safety shutdown. In any scenario, use the shower head to have a hot, relaxing bath. The adjustable attachment has [3] spray patterns that are ideal for showering, washing tents, rinsing equipment, and other uses. It heats water with propane gas and an AC/DC or 12V power adapter.
Key Features:
- DC input voltage: 12V/5A
- Gas type: propane
- Water flow: 2.2L/minute (2.3qt/minute) on average
- Consumption: 5.7kWh (20.68Mj)/hour | 14.5oz (412g)/hour
- Dimensions: 9.65” L x 12.2” W x 11.8” H (245 x 310 x 300mm)
- Weight: 13.2lb (6.0kg) without propane tan
