Best Outdoor Tankless Water Heater (2024 Update)
If you’re looking for a reliable and efficient way to heat water for your outdoor activities, a tankless water heater can be a great solution. But with so many options on the market, it can be overwhelming to choose the best one for your needs. Before making a purchase, there are a number of factors you should consider.
First and foremost, you’ll want to think about the size of your household and the amount of hot water you’ll need on a daily basis. You’ll also want to consider the climate in your area, as colder temperatures may require a more powerful heater. Additionally, you’ll want to take into account the fuel source for the heater, as well as its efficiency and durability.
If you’re looking for the best outdoor tankless water heater, you might be wondering: how can I tell which product is right for me? What features should I look for, and what are the pros and cons of different models? And perhaps most importantly, how can I make sure I’m getting the best value for my money? By doing your research and considering your individual needs and budget, you’ll be well on your way to finding the perfect water heater for your outdoor adventures.
10 Best Outdoor Tankless Water Heater
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It is ideal for providing hot water outdoors in remote locations where no electricity or traditional water heating system is available.
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Providing hot water for outdoor activities such as camping, hunting, or off-grid living.
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This product is ideal for providing hot water on demand to outdoor areas using natural gas.
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Ideal for providing hot water to an entire home through propane gas and displaying temperature digitally.
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This product is ideal for providing hot water without a tank, suitable for small homes and apartments.
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Ideal for outdoor shower, RV, camping, cabin, and boat use with instant hot water and safety features.
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It is ideal for providing hot water in outdoor locations through natural gas heating with a high flow rate.
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Ideal for providing hot water on-the-go in outdoor settings such as camping trips, boat cabins, and other similar activities.
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Ideal for providing continuous hot water in outdoor areas using natural gas at a flow rate of 6.5 gallons per minute.
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Ideal for providing hot water for outdoor camping activities with its portable and propane fuel-powered design.
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1. Camplux 16l Outdoor 4.22 Gpm Digital Display Propane Gas Tankless Water Heater
This portable water heater from Camplux offers a convenient and efficient solution for instant hot water, wherever you may be. With an easy installation process that takes only 5 minutes, you can have hot water on demand in no time. The package comes complete with all necessary accessories, so you don't need to worry about any additional purchases.
With a flow rate of 4.22 gallons per minute, this tankless water heater can provide you with a generous supply of hot water in just a few minutes. It is designed to light up automatically when the water pressure is between 4.0-110 PSI, making it perfect for use in low water pressure situations such as camping or remote cabins.
Safety is a top priority with this water heater, as it comes equipped with a 6-in-1 protection system to ensure your family's safety. The flame failure device, anti-freezing protection, and over heating protection work together to prevent any mishaps. Additionally, the anti-freezing drain plug discharges any residual water to avoid freezing in cold areas during long-term maintenance. The gas supply is automatically shut off when high water temperature protection is triggered, preventing overheating and potential damage.
This water heater is also energy efficient, with maximum power output of 11,000 BTU/hour. The advanced combustion technology used in the propane water heater exchanger and main burner reduces gas consumption and burning noise by 11.5%. This means you can enjoy endless hot water without worrying about high energy bills.
It is important to note that to avoid gas leakage caused by improper sealing of the water heater, twining Teflon tape between gas regulator and gas inlet pipe is not recommended. Improper operation may cause the tankless water heater to catch fire, so always check for gas leakage before operation.
2. Eccotemp L5 1.5 Gpm Portable Outdoor Tankless Water Heater
Introducing the perfect solution to all your outdoor hot water needs – the lightweight, compact and portable propane-powered hot water heater. It is the ideal companion for camping trips, off-grid living, outdoor showers, and pet washing.
Equipped with an electronic ignition, this hot water heater runs on a standard 20 lb. Liquid Propane tank, making it easy to find fuel for your adventures. It is also powered by 2 “D” cell batteries, making it a convenient and reliable choice for on-the-go use.
Safety is a top priority with this hot water heater, which features a safety shut off that is activated after 20 minutes of use or if it is tilted more than 45 degrees in any direction. This ensures that you can enjoy hot water without any worry or risk.
Connecting the hot water heater to any standard garden hose is a breeze, thanks to its low pressure activation of 20 PSI. You can achieve a hot water output of 1.5 GPM, with a temperature range of 50 – 140 degrees F. This means you can enjoy a comfortable and satisfying shower, even when you're far away from home.
3. Rheem Mid-Efficiency 8.4gpm Outdoor Natural Gas Tankless Water Heater
Introducing the latest breakthrough in water heating technology – the exclusive Water Savings technology. With this innovative feature, you can save up to 1,100 gallons of water per year, making it an eco-friendly and cost-effective solution for your home.
Equipped with a powerful 157,000 BTU burner, this water heater is capable of producing hot water at an impressive rate, ensuring that you never run out of hot water during peak usage times. The Hot Start Programming feature further enhances its performance by minimizing cold water bursts and keeping it in a ready-fire state.
Additionally, this water heater comes with a Recirculation Pump Ready Kit that enables you to easily install a recirculation pump for instant hot water delivery. This feature is particularly useful in large households with multiple bathrooms and high hot water demand.
Designed for outdoor use, this water heater is built to withstand even the harshest weather conditions. With freeze protection up to -30 degrees, you can rest assured that it will continue to function optimally even in the coldest of climates.
This water heater is fueled by natural gas, which is a clean and efficient energy source that is widely available. With its impressive performance, energy efficiency, and durability, this water heater is an excellent choice for any household looking for a reliable and cost-effective solution for their hot water needs.
4. Outdoor Silver Tankless Water Heater For Whole House
Looking for a reliable and efficient outdoor shower solution for your off-grid adventures? Look no further than this top-of-the-line outdoor shower unit.
With a maximum output of 4.2 gallons per minute and an output water temperature of 115°F, this shower unit provides the perfect shower experience in even the most remote locations. And with a maximum output of 100,000 BTUs, you're guaranteed endless hot water for as long as you need it.
One of the best things about this shower unit is that it requires no electricity to operate. Thanks to its battery-powered ignition system, you can enjoy hot showers even in locations where electricity is not available.
Adjusting the temperature and gas flow is a breeze with the unit's easy-to-use digital display. And with its CSA-certified gas regulator and hose, you can be sure that you're using a safe and reliable product.
This outdoor shower unit also comes with a portable shower head, making it easy to set up and use wherever you need it. So whether you're camping, hiking, or just enjoying a day out in nature, this shower unit is the perfect solution for all your outdoor shower needs.
In short, this outdoor shower unit is a top-of-the-line product that delivers reliable, efficient, and easy-to-use performance in even the most remote locations. So why wait? Order yours today and start enjoying hot showers wherever your adventures take you!
5. Ecosmart Eco 27 Tankless Water Heater, Electric, 27-Kw – Quantity 1, 17 X 17 X 3.5
The EcoSmart ECO 27 is a tankless electric water heater that provides endless hot water on demand. With continuously monitored water temperature and controlled flow rates, it ensures efficiency and consistent performance within 1 degree of the selected temperature, so you’ll never run out of hot water when you need it.
This water heater is 90% smaller than traditional tank heaters, which means you can save space by installing it on the wall or at the point of use. The dimensions of the EcoSmart ECO 27 are 17 x 17 x 3.75 inches, making it an ideal solution for homeowners who need to save space.
The EcoSmart ECO 27 is also highly energy-efficient, with a thermal efficiency rating of 99%. Unlike traditional tank heaters that maintain water temperature even when not in use, this water heater only heats water when it’s called for. According to the Department of Energy, you can save up to 50% in water heating costs by switching to the EcoSmart ECO 27.
If you’re looking for a whole-home solution, the EcoSmart ECO 27 is ideal. It provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature, making it a great choice for homes with multiple bathrooms or large families. To ensure you select the proper solution, refer to the sizing guide.
The EcoSmart ECO 27 is UL-499 certified and ETL listed, and it comes with a limited lifetime warranty on electronics, exchanger, and element. It requires three 40 AMP double pole breakers and a 200 Amp recommended electrical panel. With this water heater, you can save up to 12 cubic feet of storage space and have complete control of hot water with digital temperature control in 1-degree increments.
6. Hapyvergo Tankless Propane Water Heater – Portable & Safe!
The Hapyvergo water heater is an outdoor propane water heater that is designed to provide an endless hot water supply with low water pressure start-up. With only 2.9PSI water pressure, the water heater can detect the flow of water and automatically ignite, making it a convenient and efficient option for outdoor use.
The water heater boasts fast heating technology, with a high heating efficiency of 1.85 GPM that allows users to start enjoying hot water in just a matter of seconds. The heating efficiency is even 40% higher than that of a 5L Tankless Propane Water Heater, making it a reliable and efficient option for those looking for a high-performance water heater.
Built with premium materials, the body of the water heater is made of full stainless steel, while the built-in SUS burner and copper heat exchanger greatly extend the life of the machine. Even parts such as showerheads are carefully selected to ensure maximum durability and longevity.
The water heater is adjustable, with a temperature range of 89-134℉/ 31-56℃ that can be adjusted by changing the gas flow rate or water flow. The intimate digital display allows for more accurate control of the water temperature, ensuring that it is not too hot and avoiding scalding delicate skin.
In addition to providing a continuous supply of hot water, the water heater is energy-efficient, with two modes for winter and summer that can be adjusted to save propane consumption and save money. It is a reliable and safe option, with over-water pressure protection, anti-dry burning protection, anti-tilting protection, and flameout protection.
The Hapyvergo water heater comes with a 1-year warranty and lifetime online technical support. If there is any quality problem within one year, the company provides free replacement service. Additionally, customers can receive lifetime online technical support and have their questions answered by the company's knowledgeable and friendly team.
7. Rinnai Rl94en Tankless Hot Water Heater, 9.8 Gpm, Natural Gas, Outdoor Installation
Introducing the Tankless Hot Water Heater from Rinnai, designed with Circ-Logic technology that adapts to your habits, ensuring you never run out of hot water. For those seeking the latest non-condensing technology, we recommend the RE180eN model that offers speedy service and installation.
The Rinnai Tankless Gas Water Heater is compact, only the size of a small suitcase, and fits comfortably in a wide range of spaces. Although compact, this robust water heater provides up to 9.8 GPM, which means you can run up to six fixtures simultaneously without any issues.
Rinnai takes pride in designing smart and durable products that last for years. With this in mind, we offer a 12-, 5-, and 1-year residential guarantee and a 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively. For those who desire Wi-Fi control, the Controlr module is available (not included).
We highly recommend professional installation for our Tankless Hot Water Heater. To ensure the installation is done correctly, visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area. Attempting to install this water heater without a technician is not recommended.
We understand that finding the right water heater for your home can be challenging. That's why we provide a range of product guides, manuals, energy guides, warranty information, videos, and tables to help you make an informed decision. Check our Ground Water Temperature Map to see if this heater is optimal for your region.
Choose Rinnai for a reliable, durable, and long-lasting Tankless Hot Water Heater that delivers hot water whenever you need it.
8. Portable Propane Water Heater – Outdoor Camping Essential
Introducing the Premium Tankless Water Heater – a highly efficient and energy-saving appliance that can deliver up to 4.74 gallons of hot water per minute with just 3.6 PSI of water pressure. This CSA-approved water heater is equipped with various safety features, such as anti-freezing protection, over-heating protection, and a flame failure device, ensuring a worry-free and safe operation.
The Propane Water Heater is specifically designed with advanced combustion technology that reduces gas consumption and burning noise, allowing you to enjoy endless hot water without breaking the bank. With a maximum power output of 68,000 BTU/hour, this water heater can raise the temperature up to 167°F in an instant, wherever you may be.
This tankless water heater is designed for portability, weighing just 11.5% lighter than other models in the market. Its compact size of 24.23×5.9×13.4 inches make it easy to carry, whether you're camping, hiking, fishing, or simply need a hot water source for your pets. The heater is powered by two size "D" cell batteries, making it convenient for outdoor use.
The Premium Tankless Water Heater comes with complete accessories, including a CSA-approved 5FT Gas Regulator, a high-pressure showerhead with five different spray modes, a 59in extended long stainless steel hose, and a shower holder. The propane water heater features three interface ports, with the left one being the air inlet, the middle one being the shower port, and the right one being the water inlet.
This versatile camping heater is not only perfect for outdoor showers but also ideal for portable hot water sinks, RVs, SUVs, MPVs, and more. Always remember to check for gas leakage before operation.
9. Rinnai V65en Tankless Hot Water Heater, 6.5 Gpm, Natural Gas, Outdoor Installation
Looking for a tankless hot water heater that's efficient and compact? Look no further than Rinnai's non-condensing tankless model, which heats water only when you need it to help conserve energy. With a sleek design that's only the size of a small suitcase, this water heater can fit in almost any space and provides up to 6.5 gallons per minute, which means you can run up to five fixtures at once without running out of hot water.
Rinnai's tankless water heater also comes with enhanced scale detection that helps prevent long-term damage to the unit. And with a 15-year residential guarantee for the heat exchanger, a 5-year guarantee for labor, and a 1-year guarantee for parts, you can trust that this water heater will provide reliable performance for years to come.
For added convenience, the Controlr module allows for WiFi control (not included). However, it's important to note that professional installation is recommended. Rinnai provides a Find a Rinnai PRO page on their website to help you locate a qualified technician in your area.
To find the right tankless water heater for your home, Rinnai offers a variety of resources including product guides, manuals, energy guides, warranty information, videos, and tables. They even have a Ground Water Temperature Map to help you determine if this particular model is optimal for your region.
Invest in Rinnai's non-condensing tankless water heater for a smart, durable, and efficient solution to your hot water needs.
10. Portable Propane Heater For Outdoor Camping – Camplux
The Camplux AY132 tankless water heater is an excellent choice for those who love to spend time outdoors. Its lightweight, compact, and portable design makes it easy to carry around, and its folding handle keeps it out of the way when not in use. Setting up this propane water heater is a breeze and takes only 10 minutes.
With a flow rate of 1.32 gallons per minute (at 1.32 GPM), the Camplux AY132 produces 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) at its lowest point. It is ideal for use in off-grid and rural areas where hot water is not easily accessible. The lowest water pressure required for the water heater to function properly is 3.0 PSI.
The Camplux AY132 tankless water heater is CSA safety approved and features 6-in-1 protection, including anti-freezing, over-heating, low water flow, dry combustion, high water pressure, and flame failure protection. The package includes a 5 feet premium on/off shower head, a 5 feet gas regulator, a set of US-standard garden hose, and an installation hardware pack. This water heater also comes with a 1-year guarantee.
It is important to note that to avoid gas leakage caused by improper sealing of the water heater, it is recommended not to twine Teflon tape between the gas regulator and gas inlet pipe. Users should read the installation directions carefully and check for gas leaks at all times before operating.
When not in use, it is recommended that users fully disconnect gas, incoming and outgoing waterlines and store the Camplux AY132 in a warm, dry place. To prevent damage caused by freezing, the device must be properly drained if stored in cold climates. The drain stern located at the bottom right of the water heater should be opened in a counter-clockwise direction to drain the water heater properly. Users should also remember to disconnect all incoming and outgoing water lines to ensure proper drainage from the water heater.
Best Outdoor Tankless Water Heater FAQs
Can an outdoor tankless water heater be used in cold climates?
Yes, an outdoor tankless water heater can be used in cold climates. However, it is important to choose a unit that is specifically designed to withstand low temperatures and prevent freezing. Look for models that are rated for cold weather use and have features such as freeze protection, which will prevent the internal components from becoming damaged due to freezing temperatures. Additionally, it is important to properly insulate the water pipes that connect to the unit to prevent heat loss and freezing. It is also recommended to consult with a professional plumber or HVAC technician to ensure that the unit is installed correctly and can function properly in cold weather conditions.
How do you choose the best outdoor tankless water heater for your home?
Choosing the best outdoor tankless water heater for your home requires careful consideration of several factors. First, you need to determine the size of the heater that can adequately meet your household's hot water needs. This will depend on the number of people in your home, the number of appliances that will be using hot water, and the climate in your area. Second, you need to choose a unit that is energy-efficient to help you save on electricity or gas bills. Look for models with high energy efficiency ratings. Third, consider the fuel source available in your area and choose a unit that is compatible with it. Fourth, look for a model with a good flow rate to ensure that multiple appliances can use hot water simultaneously without a drop in pressure. Finally, consider the unit's cost, warranty, and durability before making a purchase. It is advisable to research different brands and models, read reviews, and seek professional advice before making a final decision.
How does an outdoor tankless water heater compare to a traditional tank water heater?
An outdoor tankless water heater differs from a traditional tank water heater in several ways. Firstly, a tankless water heater does not store hot water in a tank like a traditional water heater. Instead, it heats the water as it flows through the unit, providing a continuous supply of hot water on demand. This leads to greater energy efficiency, as there is no need to continuously heat a large tank of water.
In contrast, a traditional tank water heater heats and stores a large amount of water in a tank. This means that energy is constantly being used to keep the water hot, even when it is not being used. This can result in higher energy bills and less energy efficiency compared to a tankless water heater.
Another advantage of outdoor tankless water heaters is that they take up less space than traditional tank water heaters. These units can be installed outside the house, freeing up valuable indoor space. Additionally, tankless water heaters have a longer lifespan compared to traditional water heaters, as they are not subject to the same corrosion and buildup issues associated with tank water heaters.
Overall, an outdoor tankless water heater offers many benefits over a traditional tank water heater, including energy efficiency, space savings, and longer lifespan.
How much does it cost to install an outdoor tankless water heater?
The cost of installing an outdoor tankless water heater can vary depending on a few factors such as the brand and model of the water heater, the complexity of the installation, and the location of the installation. On average, the cost of a tankless water heater can range from $500 to $2,500. The cost of installation can range from $1,000 to $3,000, which includes labor and materials. However, this cost can increase if additional work is required, such as upgrading electrical or gas lines, adding a new venting system, or removing an old water heater. It is always recommended to get a quote from a licensed and experienced plumber or HVAC contractor to accurately determine the cost of installation for your specific needs.
What are the benefits of using an outdoor tankless water heater?
An outdoor tankless water heater provides several benefits over a traditional tank-style water heater. Firstly, it saves space as it doesn’t require a large tank to store heated water. This is especially beneficial for homeowners with limited indoor space. Secondly, tankless water heaters are energy-efficient as they only heat water on-demand, eliminating the standby heat loss that occurs with tank-style water heaters. This means that you will save on your energy bills and reduce your carbon footprint. Thirdly, an outdoor tankless water heater can provide hot water continuously, without running out or requiring time to refill and reheat as a tank-style water heater would. This is particularly useful for large households with high hot water demands. Additionally, outdoor tankless water heaters have a longer lifespan than tank-style water heaters, reducing the need for frequent replacements. Overall, an outdoor tankless water heater is an efficient and reliable option for providing hot water to your home.
What are the maintenance requirements for an outdoor tankless water heater?
Outdoor tankless water heaters require regular maintenance to ensure that they operate efficiently and last for a long time. Here are some of the maintenance requirements for an outdoor tankless water heater:
1. Regular Cleaning: Outdoor tankless water heaters are exposed to the elements, which means that they can accumulate dirt, debris, and other contaminants. It's essential to clean the unit regularly to ensure that it operates efficiently.
2. Check for Leaks: Outdoor tankless water heaters can also develop leaks, which can cause significant damage over time. Check for any leaks around the unit and repair them promptly.
3. Flush the System: Tankless water heaters can accumulate sediment and minerals, which can reduce their efficiency. Flushing the system regularly can help to remove any buildup and ensure that the unit operates correctly.
4. Inspect the Venting System: The venting system on an outdoor tankless water heater is essential for removing exhaust gases. It's essential to inspect the venting system regularly to ensure that it's working correctly and not blocked.
By following these maintenance requirements, you can ensure that your outdoor tankless water heater operates efficiently and lasts for a long time.
What are the top-rated outdoor tankless water heaters on the market?
There are several top-rated outdoor tankless water heaters available on the market that are highly efficient and durable. One of the most popular outdoor tankless water heaters is the Rinnai RL75iN, which is known for its excellent performance and energy efficiency. This model has a maximum flow rate of 7.5 gallons per minute, making it ideal for larger homes with multiple bathrooms.
Another highly rated outdoor tankless water heater is the Takagi T-H3-DV-N, which is designed to deliver hot water on demand and provide a high level of energy efficiency. This model has a maximum flow rate of 10 gallons per minute, making it ideal for larger homes or commercial properties.
The Eccotemp L10 is another popular outdoor tankless water heater that is known for its durability and reliability. This model is designed to provide hot water for outdoor showers, camping trips, and other outdoor activities, making it a great choice for those who enjoy spending time in nature.
Overall, when choosing an outdoor tankless water heater, it's important to consider factors such as flow rate, energy efficiency, and durability to ensure that you get a model that meets your needs and budget.
What features should I look for in the best outdoor tankless water heater?
When it comes to choosing the best outdoor tankless water heater, there are several important features to consider. Here are some of the key factors to keep in mind:
1. Durability: Outdoor tankless water heaters need to be able to withstand exposure to the elements, so look for models that are built to last and made from weather-resistant materials.
2. Size and capacity: Consider the size of your household and your hot water needs when choosing a tankless water heater. You want to make sure the unit has enough capacity to meet your demand without being too large and wasteful.
3. Energy efficiency: Look for models that are energy efficient and have a high Energy Factor (EF) rating. This will help to reduce your energy bills and minimize your impact on the environment.
4. Temperature range: Make sure the tankless water heater you choose can provide the temperature range you need for your hot water needs, including outdoor showers and other outdoor activities.
5. Safety features: Look for models with safety features like automatic shut-off, overheat protection, and freeze protection to ensure safe and reliable operation.
Overall, the best outdoor tankless water heater is one that is durable, energy-efficient, and able to meet your specific hot water needs.
What is the average lifespan of an outdoor tankless water heater?
The lifespan of an outdoor tankless water heater can vary depending on several factors such as the quality of the unit, the frequency of maintenance, and the level of usage. On average, a well-maintained tankless water heater can last up to 20 years or more. However, it’s important to note that some cheaper models may have a shorter lifespan and may require more frequent maintenance to ensure they last as long as possible. Regular maintenance is key to extending the lifespan of any water heater, and outdoor tankless units are no exception. Proper cleaning and upkeep of the system, including flushing the unit to remove any mineral buildup, can help prevent damage and prolong the life of the unit. If you’re unsure about the lifespan of your specific tankless water heater, it’s best to consult the manufacturer’s guidelines or speak with a professional plumber.
What is the difference between an outdoor and indoor tankless water heater?
The main difference between an outdoor and indoor tankless water heater lies in their installation location. An indoor tankless water heater is installed inside the house, typically in a utility room, basement, or garage. On the other hand, an outdoor tankless water heater is installed outside the house, usually on an exterior wall or on the ground.
Another difference is the venting requirements. An indoor tankless water heater requires proper venting to remove exhaust gases and prevent carbon monoxide buildup, whereas an outdoor unit does not require any venting. This is because outdoor tankless water heaters are designed to expel combustion gases directly outside, which makes them suitable for areas where venting is difficult or impossible.
Lastly, outdoor tankless water heaters are often more durable and weather-resistant than indoor models. They are designed to withstand harsh weather conditions, such as extreme temperatures, rain, and snow, without getting damaged.
Overall, the choice between an indoor and outdoor tankless water heater depends on your specific needs and preferences. If you have limited indoor space, then an outdoor unit might be the better choice. However, if you live in a colder climate, an indoor unit might be more suitable.
