Choosing the right tankless water heater for outdoor installation is essential for ensuring you have a reliable source of hot water whenever you need it. Whether you’re camping, washing your pets, or enjoying outdoor showers, a high-quality tankless water heater can provide instant hot water on demand. This guide will help you understand the benefits of these systems and how they can enhance your outdoor experiences.
Top Picks
- Best Overall: Portable Water Heater Propane Tankless
- Best Value: Natural Gas Tankless Water Heater
- Best for High Demand: Rinnai RE140eP Non-Condensing Propane Tankless Water Heater
- Best for Large Households: Rinnai RU130eP Condensing Tankless Hot Water Heater
- Best Portable Option: Outdoor Propane Tankless Water Heater – 6L
Selection Criteria for Outdoor Tankless Water Heaters
When selecting a tankless water heater for outdoor use, consider factors such as flow rate, energy source, safety features, and ease of installation. These criteria will help you find a unit that meets your specific needs and ensures a reliable hot water supply.
Portable Water Heater Propane Tankless
This 6L tankless water heater is your go-to solution for instant hot water, whether you’re camping, enjoying a day at the beach, or just need a quick outdoor shower. With a flow rate of 1.58 GPM, it provides endless hot water without the hassle of preheating. Just turn on the faucet, and you’re ready to go. Plus, it’s lightweight and portable, making it easy to carry wherever your adventures take you. If you’re looking for a reliable and convenient way to enjoy hot water outdoors, this heater is definitely worth considering.
What People Say
Users appreciate its ease of setup and reliable performance, especially in off-grid situations. Many have found it to be a game-changer for camping trips and outdoor activities.
- Setup was simple and easy. Heats water great. It’s lit every single time, and heats quickly, quietly, efficiently, and it’s adjustable as well. And it’s completely portable. I think I’m gonna like this a ton.
– Tambra White-Jackson
- You MUST have water pressure going to the unit before it will even display power. I have an off the grid house and use a 12 v pump hooked to a solar panel and battery that pushes my water from a 5 gallon bucket. Good hot water.
– Eric Dodge
Why You’ll Love It
- Instant hot water wherever you go
- Lightweight and portable design
- Comprehensive safety features
Cost-Effective and Reliable
With no need for a storage tank and the ability to heat water on demand, you save on energy costs over time. Plus, the 24-month warranty gives you peace of mind about your investment.
Rating: 5 (Total: 3+)
Natural Gas Tankless Water Heater
This outdoor tankless water heater from LiberLive is designed to provide you with instant hot water whenever you need it. With a flow rate of up to 5.3 GPM and a powerful 130,000 BTU output, it’s perfect for everything from daily showers to hosting friends for a backyard barbecue. You won’t have to wait around for hot water to be ready, and its compact design means it won’t take up valuable space in your home. If you’re looking for a reliable and efficient way to enjoy hot water outdoors, this heater is definitely a solid choice.
What People Say
Users love how easy it is to install and appreciate its performance in various weather conditions. Many have noted significant savings on their gas bills, making it a worthwhile investment for their homes.
- It’s an outdoor water heater that doesn’t need a vent pipe and is waterproof. Setup was easy with the directions, and I have had no issues with the water heater. It worked great, and I loved it.
– Cheryl Pitman
- It doesn’t take up space inside my house. Perfect for my needs. I’ve had no issues with rain or wind, and it still works like a charm. Our gas bill went down 60%, so it’s basically already paid for itself. Overall, I’m happy with the unit.
– Harold Henley
Why You’ll Appreciate It
- Endless hot water supply
- Designed for outdoor durability
- Energy-efficient operation
Smart Investment for the Future
By eliminating the need for a storage tank and heating water on demand, you can save on energy costs over time. Plus, with its CSA certification and multiple safety features, you can feel secure in your investment.
Rating: 5 (Total: 2+)
Rinnai RE140eP Non-Condensing Propane Tankless Water Heater
The Rinnai RE140eP is your go-to solution for outdoor hot water needs. With a flow rate of up to 5.3 GPM and a robust 140,000 BTU output, this tankless water heater ensures you have instant hot water for everything from daily showers to outdoor gatherings. Its compact design means it won’t hog space, making it ideal for patios or outdoor kitchens. Plus, the smart features, like an LED display for service reminders, make it user-friendly. If you’re looking for a reliable and efficient way to enjoy hot water outdoors, this unit is definitely worth considering.
What People Say
Users appreciate the compact size and efficiency of the Rinnai RE140eP. Many have shared their satisfaction with its performance, especially in providing endless hot water for multiple fixtures simultaneously. The longevity and reliability of Rinnai products are often highlighted in reviews.
- Great product. I have 2 tankless systems in my house – one for each end. My other is also a Rinnai. After we lost our house in the 2007 wildfires in San Diego, we rebuilt a new home and went with the tankless technology. I am replacing another redeye that has been there since 2009, so I’m very happy with the longevity.
– Brian Arnold
Why You’ll Love It
- Compact and space-saving design
- Instant hot water on demand
- User-friendly LED display
A Wise Investment for Your Home
Investing in a tankless water heater like the Rinnai RE140eP can lead to significant savings on energy bills over time. Since it heats water on demand, you won’t waste energy keeping a tank full of hot water. Plus, with its durable design, you can expect it to last for years, making it a smart choice for your home.
Rating: 4.5 (Total: 63+)
Rinnai RU130eP Condensing Tankless Hot Water Heater
The Rinnai RU130eP is a fantastic choice for anyone looking to enjoy endless hot water outdoors. With a flow rate of 7 GPM, this propane-powered tankless water heater is perfect for everything from daily showers to hosting outdoor gatherings. Its compact design not only saves space but also ensures that you have hot water whenever you need it, without the wait. Plus, the advanced Circ-Logic technology allows for efficient recirculation, making it even more user-friendly. If you’re after a reliable and efficient solution for your outdoor hot water needs, this unit is definitely one to consider.
What People Say
Users rave about the Rinnai RU130eP’s ability to provide a steady stream of hot water, even when multiple fixtures are in use. Many appreciate its compact size and energy efficiency, making it a great fit for outdoor installations. The reliability and performance of Rinnai products are frequently highlighted in reviews.
- My experience with the Rinnai RU130eP has been excellent. It delivers consistent hot water without fluctuations, which is a huge plus. Installation was straightforward, and I appreciate how quiet it operates. The unit heats water quickly, and I can easily run multiple showers without any issues.
– Review Monster
Why You’ll Love It
- Endless hot water supply
- Compact and energy-efficient design
- Advanced recirculation technology
A Smart Investment for Your Home
Opting for the Rinnai RU130eP can lead to long-term savings on your energy bills. Since it heats water on demand, you won’t waste energy keeping a tank full of hot water. Its durable construction means you can expect it to last for years, making it a smart investment for your home.
Rating: 4.5 (Total: 898+)
Outdoor Propane Tankless Water Heater – 6L 1.58 GPM
The Outdoor Propane Tankless Water Heater by Amzgachfktch is your go-to solution for instant hot water, whether you’re camping, at the cabin, or just enjoying a day outdoors. With a flow rate of 1.58 GPM, this portable unit heats water on demand, so you can enjoy a warm shower without the wait. Its compact design makes it easy to transport, and the included handle is a thoughtful touch for those on the go. Plus, with safety features like overheating protection, you can use it with peace of mind. If you’re looking for a reliable outdoor water heater that delivers convenience and comfort, this one is definitely worth considering.
What People Say
Users love how quickly this water heater provides hot water, making it perfect for outdoor activities. Many have shared their positive experiences using it for everything from camping to washing pets, highlighting its efficiency and ease of use. The portability and safety features are frequently mentioned as standout aspects.
- I bought this for my outdoor sink, and it heats up water quickly even during the winter. The water gets quite hot very fast, and the installation was straightforward. It’s been a game changer for washing my horses outside, and I appreciate how portable it is.
– Nola
Why You’ll Appreciate It
- Instant hot water wherever you need it
- Compact and portable design
- Safety features for worry-free use
A Practical Choice for Outdoor Enthusiasts
Investing in the Outdoor Propane Tankless Water Heater can lead to savings in energy costs since it heats water only when needed. Its durable build means you can expect it to last through many outdoor adventures, making it a practical choice for those who enjoy the great outdoors.
Rating: 4.5 (Total: 31+)
FAQ
What Should I Consider When Buying a Tankless Water Heater for Outdoor Installation?
When you’re looking to buy a tankless water heater for outdoor installation, you should consider several factors. First, think about the flow rate you need, which is measured in gallons per minute (GPM). This will depend on how many fixtures you’ll be using simultaneously, like showers and sinks. Next, check the energy source; propane and natural gas are common options, and each has its pros and cons. Also, look for features like safety protections against overheating and freezing, especially since it’s for outdoor use. Lastly, ensure the unit is rated for outdoor installation to withstand the elements.
How Do I Maintain My Outdoor Tankless Water Heater?
Maintaining your outdoor tankless water heater is crucial for its longevity and efficiency. Regularly check for any leaks or corrosion, especially around the gas lines and connections. It’s also a good idea to flush the system at least once a year to remove mineral buildup, which can affect performance. If you live in an area with hard water, consider installing a water softener to minimize scaling. Additionally, keep the area around the heater clear of debris and ensure proper ventilation to prevent overheating.
Can I Use a Tankless Water Heater in Cold Weather?
Yes, you can use a tankless water heater in cold weather, but there are some precautions you should take. Make sure your unit has built-in freeze protection features, which many outdoor models do. If you’re in an area with extremely low temperatures, consider insulating the pipes leading to and from the heater. You might also want to install a recirculation pump to ensure hot water is readily available, reducing wait times. Just remember that the water temperature entering the unit can affect its performance, so be mindful of how cold it gets outside.
Wrapping Up
Investing in a high-quality tankless water heater for outdoor installation can significantly enhance your outdoor activities by providing instant hot water. With various options available, you can choose a model that fits your needs, whether for camping, washing pets, or simply enjoying a warm shower outdoors. By considering the selection criteria outlined in this guide, you can make an informed decision that will benefit you for years to come.
| Product | Image | Rating | Highlights | Pros | Cons |
|---|---|---|---|---|---|
| Portable Water Heater Propane Tankless |
 |
5/5 (3 reviews) | 6L, 1.58 GPM, LED Display, Overheating Protection | Easy to install, portable, heats water quickly. | Requires water pressure to function. |
| Natural Gas Tankless Water Heater |
 |
5/5 (2 reviews) | Up to 5.3 GPM, 130000 BTU, Remote Controller, CSA Certified | Easy setup, efficient, waterproof. | Requires wall mounting. |
| Rinnai RE140eP Non-Condensing Propane Tankless |
 |
4.5/5 (63 reviews) | Up to 5.3 GPM, 140,000 BTU, LED Display | Compact design, high efficiency, easy installation. | Requires electricity for ignition. |
| Rinnai RU130eP Condensing Tankless Hot Water Heater |
 |
4.5/5 (898 reviews) | 7 GPM, Propane, Wi-Fi Monitoring Available | Endless hot water, energy-efficient, compact. | Installation can be complex. |
| Outdoor Propane Tankless Water Heater |
 |
4.5/5 (31 reviews) | 6L, 1.58 GPM, Overheating Protection, Portable | Compact design, quick heating, easy to use. | Flow rate may decrease with continuous use. |
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