Top 10 Best water heaters in 2026

Last Updated - 6/22/2026

🏆Best Choice

Zappyway

Portable Shower for Camping, 6000mAh Rechargeable Camp Shower Pump with Immersion Water Heater, 6.6 Gal Foldable Bucket, 4 Spray Modes, Outdoor Camping Shower Kit for Travel, Pet Bath, Car Washing

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•【All-in-One Portable Shower for Camping】Enjoy a refreshing camp shower with our portable shower for camping, complete with a 6.6-gallon foldable bucket and portable shower pump. The including immersion water heater ensures a warm portable hot shower, making it a must-have camping accessory.
•【Smart and Efficient Heated Shower System】Our portable shower with heater features a digital display and waterproof switch for easy use. Quickly heat water for a comforting camping hot water shower with a thermometer, you can ensure the perfect water temperature for a comfortable outdoor shower every time.
•【Multi-Use Outdoor Shower Kit】Perfect for hiking, pet bathing, or any outdoor activity, this portable camping shower includes an adjustable shower head with four modes. Easy to set up with hooks and suction cups, it's the ideal camper shower solution.
•【Portable and Practical Water Heater Shower】Designed for indoor and outdoor use, our compact portable hot water shower is easy to carry and organize in its mesh storage bag. Ideal for beach trips, BBQs, or car washing, it's a versatile camping shower pump.
•【Eco-Friendly and Reliable Camping Shower】Charge the electric shower head via Type-C cable for an eco-conscious portable outdoor shower. Enjoy the practicality of our rinse kit portable shower, designed for sustainability in every outside shower experience.
•【Multifunctional Use Indoors & Outdoors】Beyond camping showers, this portable outdoor shower serves varied purposes including pet bathing, car washing, plant watering, BBQ, hiking, beaches, travel, bathing etc. This versatile rinse kit portable shower kit is an essential tool for every outdoor enthusiast looking for convenience beyond typical shower camping experiences.

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$59.98

$79.98

-25%

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CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Tankless Water Heater Outdoor, 1.32 GPM Portable Propane Camping Water Heater, 5L, AY132, White

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Lightweight, Compact & Portable Design: The 10 pounds lightweight portable water heater's folding handle keeps it out of the way and enables easy setup outside.
•Flow Rate & Temperature Specification: The temperature raise is 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) is at its lowest point of 1.32 GPM. Also, 1.32 gallons of hot water can be produced per minute at the flow rate of 1.32 GPM.
•Versatile Applications: The lowest water pressure at beginning for the water heater is 3.0 PSI. For off-grid and rural areas, this hot water generator powered by two size D batteries is ideal. No more chilly outdoor shower anymore.
•6-in-1 Protection & CSA Safety Approved: This tankless water heater is CSA Approved with anti-freezing protection, over-heating protection, low water flow protection, dry combustion protection, high water pressure protection and flame failure device.
•Installation Instruction & Package Content: This Camplux AY132 heater comes with 1-year guarantee, 5 feet premium on/off shower head, 5 feet gas regulator, 1 set US-standard garden hose, and 1 installation hardware pack. Setting up this propane water heater simply takes 10 minutes.
•Important Installation Tip: To avoid gas leakage caused by improper sealing of the water heater, DO NOT TWINE TEFLON TAPE between gas regulator and gas inlet pipe. Read the directions before installation check for gas leaks at all times before operating.
•Warm Maintenance Tips: Damage caused by freezing is not covered under Camplux warranty. It must be properly drained if the water heater stored in cold climate, Freeze damage can occur in the heat exchanger or water valves. To drain the device properly, please open the drain stern located at the bottom right of the water heater . You can do so by turning in a counter clockwise direction. Please disconnect all incoming and outgoing water lines to ensure proper drainage from the water heater. When not in use, fully disconnect gas, incoming and outgoing waterlines. Store in a warm dray place.

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$159.99

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forimo

Tankless Water Heater Propane 4.74GPM 18L Outdoor Portable GasHot Water Heater Instant Propane Water Heater with Digital Display Multi-Protection for Camping Trips Boat

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•【Premiun Water Heater】-Tankless Water Heater with CSA Approved Regulator, with more safety protection such as flame failure device, anti-freezing protection,over heating protection,Just need 3.6PSI of water pressure,4.74 gallons of hot water can be output per minute. The maximum temperature raise is 167 °F,Applicable only Propane（LPG)
•【Efficient & Energey Saving】-The Propane Water Heater exchanger and main burner are desinged with advanced combustion technology to decrease gas consumption and burning noise.Maximum power output 68,000btu/hour, you will get instant endless hot water easily wherever you are.Compact and lightweight structure with 11.5% energy saving technology,so you can get more hot water for less money.
•【Portable Design】-Portable Water Heater size and lightweight make the water heater easy to carry and allow you to enjoy an amazing hot shower after a long day of camping, in your RV, or for giving your pet a bath,Size: 24.23x5.9x13.4 inches,Gas Hot Water Heater is Powered by 2 pcs size "D"cell Batteries.
•【Complete Accessories】-This tankless water heater comes with CSA approval 5FT Gas Regulator, 5 Spray Modes high pressure Shower Head with 59in(1.5m) extended Long Stainless Steel Hose and Shower Holder,There are three interface ports under propane water heater. The left one is the Air inlet. The middle one is the shower port,and The right one is the water inlet.
•【Wide Usage】- This Camping Heater,Perfect for Outdoor Shower,Which Bringing an Amazing hot Shower for you When you are Camping, Hiking, Fishing, Beaching, Portable Hot Water Sink, RV/SUV/MPV, etc. Besides, you can Also Wash your Pets with this Tankless Water Heater,Always check gas leakage before operation.
•【Satisfaction Guarantee】-We feel confident that you will love our tankless water heater .If there's something makes you unsatisfied, please don't hesitate to contact us. We would offer you 100% refund or a replacement within 3 months.

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$135.99

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Baotree

8L Tankless Water Heater Propane with Digital Display, 2.11 GPM Portable Instant Hot Gas RV Water Heater with Overheating Protection for Indoor and Camping,40,824 BTU

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Product Specification:The propane water heater boasts a maximum output power of 40824 BTU/hour, reaching temperatures as hot as 113°F with a minimum of 17°F. It provides hot water at a rate of 2.11 gallons per minute, with a minimum starting pressure of 3.6 PSI and a maximum of 116 PSI.
•Security Protection:Our instant electric hot rv water heater comes with six safety protection settings, including overheat protection, dry combustion protection, antifreeze protection, low-flow protection, flame fault protection, and high water pressure protection. Furthermore, the low-flow protection feature ensures that the burner won't ignite unless the minimum working pressure has been reached.
•Lightweight Portable Design:Our compact and lightweight rv water heater is easy to carry, allowing you to enjoy an amazing hot shower after a long day of camping, RV-ing, or bathing your pets. The shower head's one-button design ensures no water waste.
•Widely Applicable:Our water heater is perfect for outdoor activities like camping, hiking, fishing, and beaching and provides safe and comfortable hot water all year round. The compact design is easy to carry and space-saving, while the tankless feature ensures an uninterrupted hot water supply. Use it to wash your pets or take a hot shower outside.

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$107.99

$119.99

-10%

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CAMPLUX ENJOY OUTDOOR LIFE

CAMPLUX Portable Water Heater 1.58 GPM, BW158G Propane Water Heater Outdoor, 41,000 BTU, Camping Shower, Easy to Install, Gray

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•𝐏𝐨𝐫𝐭𝐚𝐛𝐥𝐞& 𝐋𝐢𝐠𝐡𝐭 𝐖𝐞𝐢𝐠𝐡𝐭 - Only weight 13lb and features a foldable handle, easy to carry on and hang for outdoor use
•𝐈𝐧𝐬𝐭𝐚𝐧𝐭 𝐇𝐨𝐭 𝐖𝐚𝐭𝐞𝐫 -With a maximum output power of 41,000 BTU/hr, enjoy a flow rate of 1.58 gallons per minute from this propane tankless water heater
•𝐄𝐚𝐬𝐲 𝐭𝐨 𝐈𝐧𝐬𝐭𝐚𝐥𝐥 - Simply connect with a water supply and a 20 lb propane tank and you are guaranteed to enjoy hot water anywhere
•𝐒𝐢𝐦𝐩𝐥𝐞 𝐓𝐞𝐦𝐩𝐞𝐫𝐚𝐭𝐮𝐫𝐞 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 - With ECO & Full knob and LED temperature display, can get your ideal water temperature easily.
•𝐋𝐨𝐰 𝐖𝐚𝐭𝐞𝐫 𝐏𝐫𝐞𝐬𝐬𝐮𝐫𝐞 𝐒𝐭𝐚𝐫𝐭 - With a minimum of 3.0 PSI water pressure, suitable for rural, remote cabins and other off-grid areas
•𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐒𝐮𝐩𝐩𝐨𝐫𝐭 - Have questions or need assistance with our product? Reach us via Amazon or the contact information provided in the manual
•𝐓𝐢𝐩- The old logo and the new logo will be shipped randomly

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$179.99

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VEVOR

VEVOR Portable Propane Water Heater, 5L Tankless Outdoor Water Heater, 34000 BTU 1.32 GPM Instant Hot Water, with Accessory Set + Regulator for RV Camping Trips Cabins Barns

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•Instant Hot Water: 34000 BTU/HR high power, the camping hot water heater with a wide water pressure range of 3.63-110 psi and a minimum starting water pressure of only 3.63 psi. With a flow rate range of 0.53-1.32 GPM, say goodbye to long waits and enjoy hot showers anytime, anywhere. Perfect for outdoor showering fun
•Real-Time Temperature Display: Maximum water temperature of 131℉, with a minimum temperature rise of 7K, and a large 1.32GPM/5L capacity. Real-time water temperature display allows clear monitoring and precise temperature control, ensuring a comfortable shower experience whether it's a hot summer day or a cold winter night
•Dual Cold/Hot Modes: Our portable tankless water heater can switch between winter and summer modes with one button. Suitable for all seasons, whether you're camping outdoors or using it at home, meeting your different needs and making hot showers easily accessible
•6-in-1 Protection: Anti-freeze protection, overheat protection, low water flow protection, dry burn protection, high water pressure protection, and flame failure device + safety tilt switch. Six layers of safety protection ensure the safety of you and your family
•Easy to carry: Equipped with a handle design on the top, propane combustion heating allows you to enjoy hot showers anytime, anywhere. Perfect for various outdoor scenarios, making your outdoor life more convenient and comfortable

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$87.99

$99.99

-12%

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hillhub

Hillhub Portable Propane Water Heater for Camping, Instant Hot Water Heater On Demand with 4000mAh Battery for Outdoor Showering and Cleaning, Included Water Pump & Showerhead

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•【3s Instant Heating】 Boasting 20,500 BTU ultra-heating efficiency, camping water heater delivers lightning-fast heating in just 3 seconds, raising hot water temperature to 77°F (25°C) instantly—ideal for portable shower for camping or camping water heater. With hot water flow rate of 2.2-3L/min and gas consumption of 20MJ/h, perfect for outdoor use where reliable portable water heater is essential, no more waiting for hot water.
•【±1℉ Thermostatic Heating】 Equipped with Turbo SmartChip, portable water heater (precise portable tankless water heater) achieves ±1℉ temperature control, maintaining stable hot water 24/7 to avoid fluctuations. Whether for portable shower for camping, washing gear with hot water, or handwashing, you can set ideal temp. Portable water heater, offering customized comfort in outdoor spaces with consistent performance of on demand water heater.
•【100mins Long-Lasting Use】 Portable propane water heater (durable camping water heater) features 4000mAh battery, providing 100 mins of continuous hot water for camping water heater or camping shower with heater use on full charge. Support for charge-while-use makes it ideal for all-day outdoor trips, portable water heater hits 80% charge in 2 hours, ensuring on demand water heater stays ready to deliver hot water.
•【Ultra-Portable Design】 Weighing 13.7 lbs with 15.7"x6.7"x12.2" dimensions, camping water heater (space-saving portable tankless water heater) is easy to pack. Dual handles simplify carrying to camping sites, making it perfect portable shower for camping companion. Its portability ensures portable hot water heater join all outdoor adventures seamlessly with on demand water heater convenience.
•【Push-Button Control & LED Display】 Push-button panel on propane portable water heater lets you adjust temps precisely—key for portable water heater. It heats hot water instantly, acting as portable hot water heater for immediate use, whether for camping shower with heater tasks or portable tankless water heater needs in outdoor settings.
•【Multiple Safety Protections】 This safe portable propane water heater comes with IPX4 waterproofing, wind protection, and dry-burn safeguards—essential for camping showers for portable water heater. It auto-shuts off at 122°F and cuts the flame if tilted, ensuring safety whether used as a camping shower with heater or portable hot water heater. As a reliable on-demand water heater for outdoor use, letting you enjoy hot water worry-free, anytime and anywhere.

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$359.99

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Raxmate

Tankless Water Heater Propane,1.58GPM 6L On Demand Portable Camping Water Heater, Suitable for Outdoor Hot Water Shower,Use for Rv Camping Shower,Black

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•【1.58GPM Tankless Water Heater Propane】This tankless water heater has a maximum power output of 41,000 BTU/Hr. Temperature high point is 48℃ (118℉) and low point is 10℃(50℉). Produces 1.58 gallons of hot water per minute on demand when at a flow rate of 1.58GPM, low water pressure startup, only 3.6PSI of water pressure is needed to start.
•【Lightweight and Easy to Install】The on demand hot water heater propane weighs only 10 pounds, comes with a convenient handle for easy carrying.Suitable for outdoor hot water shower, such as RV camping, boats, cabins, barns, also can be used for small swimming pools, pet baths, etc.
•【Multiple Protection】The propane hot water heater has various protection methods, such as overheat protection, flame failure protection, anti-dry burn protection,anti-Freeze protection,high water pressure protection,low-Flow water protection and other safety measures to prevent the product from harming the user and provide users with comfortable/safe bathing conditions, making it a trustworthy product.
•【CSA Safety Certified】Raxmate water heater are equipped with CSA certified regulators that comply with Canadian and U.S. standards. Drain plug drains trapped water to avoid freezing pipes in cold areas.High temperature protection by stopping heating when water temperature exceeds 185°F (85°C).
•【No Need to Open the Power Switch】The latest product, loaded with batteries can be used directly, as long as there is water flow through the pipe, stabilize the water pressure, the igniter automatically start, no need to open the ignition power.

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$98.99

$129.99

-24%

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COOLIGO

Portable Propane Water Heater for Camping Shower, 40,900 BTU 4500mAh Rechargeable Battery, Tankless Water Shower for Outdoor Shower with Pump, Table Top Camp Water Heater for Camping and Vacationing

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【Rapid Heating】The portable water heater uses advanced smart chip technology for precise electronic temperature and constant temperature control. With a maximum thermal efficiency of 40,900 BTU, it heats up water to 95°F (35°C) in just 3 seconds. Perfect for fast and reliable hot water wherever you need it
•【Efficient and Safe Heating Technology】Featuring a multi-loop heating element with a 12KW quick heat-up capability. Its oxygen-free copper tank allows for high temperature control, while the built-in overheat protection and dry-burn protection safeguard your system for reliable and safe performance
•【Simple Setup & Use】The portable propane water heater offers a hassle-free, one-step quick-connect design. Simply press the power button and activate the pump to enjoy your shower while camping.
•【Complete Shower Set】One bag takes all the parts for easy carrying. Included portable water heater, submersible pump kit, ON/OFF shower kit, gas regulator, 12V Power Adapter and user manual
•【User-Friendly Design】Weighing just 17 lb, this portable propane water heater features automatic ignition and a handheld showerhead with water flow control switch

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$239.99

$299.99

-20%

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DARTMOOR

DARTMOOR LPG Portable Water Heater, Outdoor Tankless Propane Water Heater with Adjustable Flow & Showerhead, 1.6gpm Camping LPG Heater for Hot Water, Battery Powered Propane Shower Heater for Outdoor

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•Instant Hot Water: With a 41,000 BTU/hr. heat output and a 1.6 gpm flow rate, Dartmoor's LPG water heater provides instant warmth. Whether you're camping, washing pets, or living off-grid, enjoy on-demand hot water with no cold surprises
•Intuitive Controls: Easily adjust the temperature with 3 simple knobs, and monitor the real-time reading on the LED display. Set it the way you like for the perfect heat every time, whether it's freezing winter or blazing summer
•Built-in Safety Features: Stay safe and comfortable with a 140°F max. temperature setting. The built-in low water flow detection and dry-run protection automatically shut our portable heater for water down to prevent damage
•Quick & Easy Setup: Simply connect the water and gas, insert 2 D batteries, and you're ready to enjoy hot water. You can mount it on the wall or use the included stand for a convenient setup wherever you need it
•Outdoor-Ready Use: Built for rugged outdoor conditions, this propane heater for water features a CSA-certified gas regulator to ensure safe performance. The convenient folding handle and 11 lb. lightweight build make it easy to carry & transport

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$149.99

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