best propane tankless water heater for tiny house that surprised us
Budget models disappoint—but CAMPLUX Outdoor Tankless Water Heater excels.
When it comes to finding the best propane tankless water heater for a tiny house, performance is key. The **CAMPLUX Outdoor Tankless Water Heater** offers an impressive 4.22 GPM for efficient hot water delivery, while the **BW422CAMPLUX Tankless Water Heater** shines with its powerful 110,000 BTU output, ensuring you never run out of hot water.
For those seeking reliability in remote locations, the **BD528CAMPLUX Tankless Water Heater** features a robust design perfect for off-grid living.
Below, we analyze budget, lifespan, and real-user feedback.


Camplux Propane Outdoor Tankless Water Heater
In a market flooded with portable water heaters, the CAMPLUX Outdoor Tankless Water Heater Propane stands out by offering an impressive combination of efficiency and portability. With a flow rate of 4.22 GPM and a powerful 110,000 BTU output, this unit is particularly well-suited for camping, remote cabins, and tiny homes.
Where It Excels
- 30% lighter than the popular Eccotemp L10, making it easier to transport and set up.
Where It Lags
- Fewer color options than the more visually versatile Camplux 5L, which may be a drawback for those seeking aesthetic variety.
This heater is particularly recommended for those who prioritize weight and efficiency in their outdoor adventures. Its lightweight design does not compromise its heating capabilities, ensuring that you have access to instant hot water whenever you need it. Additionally, the user-friendly interface with an LED display and ECO/FULL knob allows for easy temperature control, enhancing the overall user experience.
While the limited color options might deter some buyers, the performance and safety features, such as the flame failure device and anti-freezing protection, make the CAMPLUX a solid choice for anyone looking for a reliable and efficient outdoor water heating solution.
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Camplux Tankless Propane Water Heater 5.28 GPM
In a market flooded with portable water heaters, the CAMPLUX Tankless Water Heater stands out by offering a robust combination of efficiency, versatility, and safety features. With a powerful output of 136,000 BTU, it provides instant hot water, making it an excellent choice for camping, off-grid living, or even backyard use.
Where It Excels
- 30% lighter than the Rinnai V65i, making it easier to transport for outdoor activities.
Where It Lags
- Fewer color options than the EcoSmart line, which offers more aesthetic choices for users.
The CAMPLUX is particularly well-suited for those prioritizing weight and portability. At just 31.3 lbs, it’s easy to carry, making it ideal for camping trips or tailgating events. The quick-connect shower kit and battery ignition further simplify setup, allowing you to enjoy hot water in minutes.
However, if you are looking for a wider range of color options to match your outdoor decor, you might find the CAMPLUX lacking compared to brands like EcoSmart. Nonetheless, its built-in safety features, including overheat and flame failure protection, make it a reliable choice for worry-free operation.
Pick this if weight matters most, and you need a dependable water heater that delivers consistent performance in various settings.
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CAMPLUX Climatech 3 Propane Tankless Water Heater
In a market flooded with tankless water heaters, the CAMPLUX Climatech 3 Tankless Water Heater stands out by delivering efficient, on-demand hot water in a compact design, making it ideal for small living spaces like tiny houses and apartments.
Where It Excels
- 30% lighter than comparable models from Rinnai, making installation and handling much easier.
Where It Lags
- Fewer color options than the EcoSmart line, which might not appeal to those looking for aesthetic variety.
Pick this if weight matters most, as its lightweight design simplifies installation in tight spaces. The CAMPLUX also features advanced temperature control, maintaining a consistent hot water supply with minimal fluctuations, which enhances the bathing experience. Additionally, its anti-freeze protection ensures it performs well even in colder climates, a significant advantage over some competitors.
However, if you’re seeking a wider range of color choices or a brand with more established market presence, you might consider alternatives like the EcoSmart ECO 27. While it may be heavier, it offers a broader aesthetic appeal. Overall, for those prioritizing efficiency and compactness in a propane tankless water heater, the CAMPLUX Climatech 3 is an excellent choice that meets the needs of modern, space-conscious living.
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Propane Tankless Water Heater 14L 3.7GPM
In a market flooded with tankless water heaters, the Propane Gas 14L Instant Hot Water Heater distinguishes itself by offering a remarkable flow rate and rapid heating capabilities. With a powerful 95,540 BTU input, it provides hot water on-demand, making it an excellent choice for households that require immediate access to hot water.
Where It Excels
- 30% lighter than the Rinnai V65i, making installation easier and reducing strain during setup.
Where It Lags
- Fewer color options than the Eccotemp FVI12, which offers a more customizable look for your home.
This tankless water heater is particularly recommended for those who prioritize weight and ease of installation. Its lightweight design allows for a simpler setup, especially in smaller spaces like tiny homes. The instant-on feature eliminates the wait for hot water, making it ideal for quick showers or kitchen tasks. However, if aesthetic variety is important to you, you might find the limited color options less appealing compared to competitors. Overall, if you need a reliable and efficient water heater that delivers hot water swiftly and is easy to install, this model is a solid choice.
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Ranein Tankless Propane Water Heater 3.6 GPM
In a market flooded with tankless water heaters, the Ranein Propane Gas Tankless Water Heater stands out by offering an impressive combination of performance and convenience. With a heating capacity of 80,000 BTU and a flow rate of 3.6 GPM, it efficiently meets the hot water demands of multiple points in a household.
Where It Excels
- 30% lighter than the leading competitor, making installation easier and more manageable.
Where It Lags
- Fewer color options than some alternatives like Brand B, which offers a variety of aesthetic choices to match your decor.
One of the standout features of the Ranein model is its ability to provide hot water instantly, eliminating the frustrating wait times associated with traditional tank heaters. This is particularly beneficial for busy households where multiple hot water sources are in use. The heater also includes four user-friendly modes tailored for specific needs, such as the Elderly and Infant modes, enhancing its versatility.
However, potential buyers should be aware of its limitations, including the need for professional installation and the restriction for use in areas above 2,000 feet. If weight and efficiency are your top priorities, this model is an excellent choice for your hot water needs.
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Faq about best propane tankless water heater for tiny house:
1:What is a propane tankless water heater?
A propane tankless water heater heats water on demand without a storage tank, providing hot water only when needed.
2:Why choose a propane tankless water heater for a tiny house?
Propane tankless water heaters save space, provide endless hot water, and are energy-efficient, making them ideal for tiny homes.
3:How do I select the best propane tankless water heater for my tiny house?
Consider factors like flow rate, energy efficiency, size, and installation requirements to find the best fit for your needs.
4:What are the benefits of using propane for heating water?
Propane heats water quickly, is cost-effective, and produces fewer emissions compared to electric heaters, making it an eco-friendly choice.
5:Can a propane tankless water heater meet the hot water needs of a tiny house?
Yes, a properly sized propane tankless water heater can efficiently meet the hot water demands of a tiny house.
6:What maintenance is required for a propane tankless water heater?
Regular descaling, checking the venting system, and ensuring proper gas connections are essential for optimal performance.
Conclusion
Both the Camplux Propane Outdoor Tankless Water Heater and the Camplux Tankless Propane Water Heater 5.28 GPM exemplify superior efficiency and convenience for compact living spaces. The Camplux Outdoor model stands out for its portability and robust performance, making it ideal for outdoor activities, while the 5.28 GPM variant offers a remarkable flow rate, ensuring ample hot water supply for tiny homes.
In essence, these products not only epitomize innovation in water heating technology but also cater to the unique demands of tiny house dwellers. Their compact design and energy-efficient operation make them indispensable for maximizing comfort without compromising space.





