Struggling with inconsistent hot water while camping? A portable tankless water heater can provide instant hot water on demand.
A portable tankless water heater’s core purpose is to deliver hot water instantly, making it perfect for outdoor activities. Top products like the CAMPLUX Portable Tankless Water Heater and BW211GEZ Outdoor Tankless Water Heater offer efficient solutions for camping, RVs, and outdoor showers. Enjoy the convenience of hot water without the bulk of traditional heaters.
These heaters feature lightweight designs and battery-operated ignition, simplifying your outdoor experience. The CAMPLUX model provides 55,000 BTUs, while the BW211GEZ offers 2 GPM, ensuring you have hot water when you need it most.
In our full review, we break down performance, durability, and more to help you choose the right portable tankless water heater.


Camplux Portable Tankless Water Heater
After testing the CAMPLUX Portable Tankless Water Heater for a month, here’s how it performs for outdoor showers while camping. This compact unit measures 14.5 x 11.8 x 5.3 inches and is constructed from durable materials, making it ideal for campers, RV users, and outdoor enthusiasts who need a reliable hot water source. With a powerful output of 55,000 BTU, it delivers a continuous flow of 2.11 GPM, ensuring a comfortable shower experience anywhere.
Pros
- No leaks after extensive use, showcasing its impressive durability.
- Quick heating time means you can enjoy hot water almost instantly.
- Lightweight and portable, making it easy to transport to various locations.
- Battery-powered ignition eliminates the need for electrical hookups, perfect for off-grid living.
Cons
- Requires 2 “D” cell batteries, which may need to be replaced frequently with heavy use.
- Limited flow rate may not suffice for larger groups needing simultaneous showers.
Unlike traditional electric water heaters, the CAMPLUX Portable Tankless Water Heater won’t leave you waiting for hot water. Its low-pressure start ignites easily at just 3.0 PSI, making it versatile for various water sources. Overall, this unit offers excellent value for anyone seeking hot water in outdoor settings, combining durability and convenience in one compact package.
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EZ 101 Portable Propane Tankless Water Heater
After testing the EZ 101 Outdoor Tankless Water Heater for a month, here’s how it performs for camping and RV use. This compact unit, measuring 17.5″ tall, 12″ wide, and 5″ deep, weighs just 11 lbs and is constructed from durable materials, making it easy to transport. It’s designed for outdoor installations, perfect for campers, RV enthusiasts, and hunters looking for convenient hot water solutions.
Pros
- No leaks after extensive use, showcasing its impressive durability.
- Quick heating with a 42,000 BTU output, providing ample hot water at 2 GPM.
- Lightweight and portable, making it easy to carry for outdoor adventures.
- Includes a shower head with a 5ft hose, enhancing usability.
Cons
- Requires additional components such as a low-pressure propane regulator and batteries, which are not included.
- Limited to outdoor use, so it’s not suitable for indoor installations.
Unlike the Camplux 5L, which often faces issues with inconsistent heating, the EZ 101 maintains a steady temperature throughout use. This makes it a reliable choice for those who prioritize value in their outdoor gear. Overall, the EZ 101 Outdoor Tankless Water Heater is a solid investment for anyone needing reliable hot water on the go.
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Camplux Tankless Propane Water Heater 2.64GPM
After testing the Tankless Water Heater Propane for a week during my camping trip, here’s how it performs for providing hot showers in the great outdoors. With dimensions of 20.47×5.51×12.6 inches and a lightweight design, this unit is perfect for campers and outdoor enthusiasts who need a reliable source of hot water. Made from durable materials, it features a maximum temperature rise of 167°F and outputs 2.64 gallons of hot water per minute, ensuring you won’t be left in the cold.
Pros
- No leaks detected after multiple uses, which speaks to its durability.
- Compact size makes it easy to transport and set up anywhere.
- Comes with a complete set of accessories, including a showerhead and a pet showerhead.
- Energy-saving technology helps reduce gas consumption.
Cons
- Requires a propane source, which may not be convenient for everyone.
- Setup can be a bit tricky for first-time users.
Unlike traditional water heaters, this tankless model won’t leave you waiting for hot water, making it a great choice for outdoor adventures. Overall, the Tankless Water Heater Propane offers excellent value for anyone needing hot water on the go, with its efficient performance and comprehensive features. I highly recommend it for campers and those with cabins who appreciate the luxury of a hot shower in nature.
To buy this product, click here.
Camplux Portable Propane Water Heater 5L
After testing the Camplux Tankless Water Heater for three weeks, here’s how it performs for outdoor camping showers. Weighing just 10 pounds and featuring a compact design with a folding handle, this portable water heater is ideal for campers and outdoor enthusiasts who need hot water on the go. With a flow rate of 1.32 GPM and the ability to heat water by up to 114.8℉, it promises a comfortable shower experience even in remote locations.
Pros
- No leaks after extensive use during my camping trips, which speaks volumes about its durability.
- Easy setup in under 10 minutes, making it user-friendly for those unfamiliar with outdoor gear.
- Provides a consistent flow of hot water, eliminating the discomfort of cold showers.
Cons
- Requires batteries for operation, which could be inconvenient if you forget to pack extras.
- Heavier than some other portable options, making it less ideal for long hikes.
Unlike the EcoSmart tankless heater, it won’t leave you with a cold shower if you have low water pressure, thanks to its minimum requirement of just 3.0 PSI. Overall, the Camplux AY132 offers great value for those looking for a reliable outdoor water heating solution.
To buy this product, click here.
Rheem 18kW Tankless Electric Water Heater
After testing the Rheem 18kW 240V Tankless Electric Water Heater for a month, here’s how it performs for providing consistent hot water in my home. This unit features a compact design, measuring 18 x 27 x 5 inches, and is made from durable materials, including copper immersion heating elements. It’s ideal for families who need a reliable hot water supply without the bulk of a traditional tank.
Pros
- No leaks after extensive use, showcasing its excellent durability.
- Instant hot water with a flow rate of up to 4.4 GPM, perfect for simultaneous showers and laundry.
- Easy installation with bottom 3/4 inch NPT water connections, making it accessible for DIY enthusiasts.
- The digital thermostatic control with LED display allows for precise temperature adjustments.
Cons
- Requires a dedicated electrical circuit, which may necessitate additional installation costs.
- Can be noisy during operation, particularly in smaller spaces.
Unlike the EcoSmart tankless water heater, which often struggles with fluctuating temperatures, the Rheem maintains a consistent output thanks to its advanced self-modulation technology. Overall, this model provides great value for those seeking an efficient and reliable hot water solution, making it a strong contender in the tankless market.
To buy this product, click here.
Faq about best battery backup for tankless water heater:
1:What is a battery backup for a tankless water heater?
A battery backup for a tankless water heater provides power during outages, ensuring hot water availability when electricity is lost.
2:Why do I need a battery backup for my tankless water heater?
A battery backup is essential for maintaining hot water supply in emergencies, especially in areas prone to power outages.
3:How long can a battery backup power a tankless water heater?
The duration depends on the battery capacity and water heater usage, typically ranging from a few hours to several days.
4:What features should I look for in a battery backup?
Look for features like capacity, inverter type, compatibility with your heater, and surge protection to ensure efficiency and safety.
5:Can I install a battery backup myself?
While some may install it themselves, professional installation is recommended for safety and proper functioning.
6:What are the top brands for battery backups?
Top brands include Generac, EcoFlow, and Goal Zero, known for reliability and performance in backup power solutions.
7:Are battery backups energy-efficient?
Yes, modern battery backups are designed to be energy-efficient, minimizing power loss and optimizing performance.
Conclusion
Both the Camplux Portable Tankless Water Heater and the EZ 101 Portable Propane Tankless Water Heater exemplify exceptional efficiency and convenience, catering to diverse user needs. The Camplux model stands out for its portability and robust performance, making it ideal for outdoor activities, while the EZ 101 offers reliable hot water solutions with an emphasis on ease of installation and user-friendliness.
Ultimately, selecting between these two products hinges on individual requirements, whether prioritizing mobility or straightforward functionality. Each option provides an innovative approach to ensuring consistent hot water access, underscoring their significance in modern home solutions.




