Best Outdoor Hot Water Heaters

Outdoor hot water heaters can be a game changer for anyone who enjoys outdoor activities or lives in areas where hot water is not easily accessible. Imagine being able to take a hot shower after a long day of hiking or camping, or simply having hot water available in your outdoor kitchen. However, choosing the right outdoor hot water heater can be overwhelming given the variety of options available.

The best outdoor hot water heaters provide instant hot water, energy efficiency, and are designed to withstand outdoor conditions. When evaluating which products make the cut, key factors such as performance, safety features, installation requirements, and portability come into play. In this roundup, we’ll explore five top picks that stand out in the market, ensuring you have the information needed to make an informed decision.

Here’s a brief overview of our top selections, each offering unique features tailored to different needs. Whether you’re looking for a powerful unit for a large family or a portable option for camping trips, we’ve covered it all.

Comparing the key specifications of these outdoor hot water heaters can help you pick the right product at a glance:

Features	Rheem RTG 7.0 GPM	OEVANT 5.3 GPM	CAMPLUX Portable 1.32 GPM	CAMPLUX 5L 1.32 GPM	Amzgachfktch 6L 1.58 GPM
Energy Output	160,000 BTU	130,000 BTU	Propane, 30,000 BTU	Propane, 30,000 BTU	40,000 BTU
Flow Rate	7.0 GPM	5.3 GPM	1.32 GPM	1.32 GPM	1.58 GPM
Safety Features	Multi-point system	Smart controls	6-in-1 protection	6-in-1 protection	6-in-1 protection
Ideal Use	Whole house	Whole house	Camping	RV/Camping	Off-grid
Installation Type	Outdoor	Outdoor	Portable	Portable	Portable

Rheem RTG Series 7.0 GPM…

The Rheem RTG Series is a high-performance liquid propane tankless water heater designed for residential use. It’s ideal for large families or homes with multiple bathrooms, providing an impressive flow rate of 7.0 gallons per minute (GPM).

This model stands out for its high energy efficiency, boasting a Uniform Energy Factor (UEF) of 0.82. This means it saves up to 34% on energy costs compared to traditional 50-gallon electric tank heaters. Outdoor installation also eliminates the need for venting, making it a practical choice for homeowners.

However, professional installation is required, which can add to the initial cost. Additionally, while this unit is powerful, it may be overkill for smaller homes or those with lower hot water needs.

• Flow Rate: 7.0 GPM
• Energy Output: 160,000 BTU
• Installation Type: Outdoor
• Safety Features: Multi-point system
• Warranty: 15 years on heat exchanger

Best for: Large families needing continuous hot water.

OEVANT Outdoor Tankless W…

The OEVANT Outdoor Tankless Water Heater is a propane-powered unit that delivers 5.3 GPM, making it a suitable choice for household use. It’s designed for outdoor installation and offers an excellent solution for those who need reliable hot water access.

What sets this model apart is its all-weather performance. It includes a remote control for indoor operation and features like wind resistance and electronic freeze protection, allowing it to function effectively even in harsh weather conditions. This is particularly beneficial for users in colder climates.

On the downside, while the unit is efficient, it might not meet the demands of larger households with simultaneous hot water needs. Additionally, its compact design may limit some users’ options for installation.

• Flow Rate: 5.3 GPM
• Energy Output: 130,000 BTU
• Installation Type: Outdoor
• Smart Temperature Control
• Compact Design

Best for: Users needing reliable hot water in various weather conditions.

CAMPLUX Portable Tankless…

The CAMPLUX Portable Tankless Water Heater is specifically designed for campers, RV users, and off-grid enthusiasts. With a flow rate of 1.32 GPM, it provides instant hot water for outdoor showers and cleaning.

This unit is incredibly portable, weighing just 10 lbs and featuring a folding handle, making it easy to transport. It operates on 2 D-size batteries, which means it can be used in locations without electricity. Setting it up is straightforward and typically takes around 10 minutes.

However, its lower flow rate may not satisfy larger groups or extended use. Also, it’s important to ensure adequate water pressure, as it requires a minimum of 3 PSI to function correctly.

• Flow Rate: 1.32 GPM
• Energy Output: 30,000 BTU
• Weight: 10 lbs
• Battery Operated
• Safety Features: 6-in-1 protection

Best for: Campers and RV users needing portable hot water.

CAMPLUX 5L Portable Tankl…

The CAMPLUX 5L Portable Tankless Water Heater is another excellent option for outdoor enthusiasts. It delivers an instant flow rate of 1.32 GPM and is designed for use in camping, RVs, and off-grid situations.

This model provides a reliable hot water supply without needing electricity, making it perfect for remote locations. Its lightweight design and portability make it easy to carry and set up quickly. The unit also includes essential safety features, such as overheat protection.

Limitations include its flow rate, which might not be sufficient for larger groups. It also requires a minimum water pressure of 3 PSI, which may pose challenges in certain locations.

• Flow Rate: 1.32 GPM
• Energy Output: 30,000 BTU
• Battery Operated
• Weight: 10 lbs
• Safety Features: 6-in-1 protection

Best for: Off-grid users needing a compact solution.

Outdoor Propane Tankless…

The Amzgachfktch Outdoor Propane Tankless Water Heater is a portable option that provides 1.58 GPM of hot water. It’s designed for various outdoor activities, including camping, RV use, and cleaning tasks.

This model features a user-friendly design with a foldable handle, making it easy to transport. It operates at just 2.5 PSI, which allows it to start in low water pressure situations. Its compact size is suitable for limited storage spaces.

However, it may not deliver enough hot water for multiple simultaneous uses. Additionally, while it includes safety features, users may want to ensure it meets their specific needs for off-grid applications.

• Flow Rate: 1.58 GPM
• Energy Output: 40,000 BTU
• Weight: 12 lbs
• Low Pressure Start
• Safety Features: 6-in-1 protection

Best for: Users needing a versatile outdoor heater.

How We Chose These Products

Selecting the best outdoor hot water heaters involved a thorough evaluation of performance, efficiency, and user feedback. We focused on models that offered a balance between usability and safety features, ensuring they would meet various outdoor needs.

We also considered the installation type and portability, as these factors are crucial for outdoor applications. Each product was assessed based on its ability to deliver hot water consistently while being easy to operate and maintain.

Buying Guide: What Really Matters

When choosing an outdoor hot water heater, consider the flow rate and energy output. These specifications determine how much hot water the unit can deliver and how efficiently it operates. Higher BTUs typically mean better performance, especially for larger households.

Portability is another key factor, particularly for campers or those who frequently travel. Look for lightweight models with easy setup processes. Safety features should also be a priority; ensure the unit includes protections against overheating and other potential hazards.

Our Top Recommendation

The Rheem RTG Series is our top choice for its impressive flow rate and energy efficiency, making it ideal for family use. For those seeking portability, the CAMPLUX models offer excellent options for camping and off-grid living. Each selection provides reliable hot water solutions tailored to different outdoor needs.

Frequently Asked Questions

1. Can I use these heaters indoors?
Most outdoor hot water heaters are designed for outdoor use only due to ventilation requirements. Always check the manufacturer’s specifications.

2. How do I install an outdoor hot water heater?
Installation typically requires professional assistance, especially for gas units. Follow the manufacturer’s instructions for proper setup.

3. What safety features should I look for?
Look for models with overheating protection, flame failure devices, and low water flow shut-off mechanisms to ensure safe operation.

4. How do I maintain my outdoor hot water heater?
Regular maintenance includes checking for leaks, cleaning filters, and ensuring proper gas connections. Always refer to the user manual for specific guidelines.