Best Outdoor Propane Tankless Water Heater (2024 Updated)

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If you're in the market for the best outdoor propane tankless water heater, you're probably looking for a reliable and efficient way to heat water for your outdoor activities. Whether you need hot water for camping, outdoor showers, or other outdoor activities, a propane tankless water heater can provide the hot water you need without taking up too much space.

When looking for the best outdoor propane tankless water heater, there are several key points you should consider. First, you'll want to look at the size and capacity of the unit, as well as its energy efficiency and safety features. You'll also want to consider the unit's ease of installation and maintenance, as well as its overall durability and longevity.

Other factors to consider include the unit's price, brand reputation, and customer reviews. By taking the time to research and compare different models, you can find the best outdoor propane tankless water heater for your specific needs and budget.

In summary, when looking for the best outdoor propane tankless water heater, consider the following key points: size and capacity, energy efficiency and safety features, ease of installation and maintenance, durability and longevity, price, brand reputation, and customer reviews. With these factors in mind, you can find a reliable and efficient propane tankless water heater that meets your needs and budget.

10 Best Outdoor Propane Tankless Water Heater

1. Camplux 16l Outdoor 4.22 Gpm Digital Display Propane Gas Tankless Water Heater

The Camplux 16L Outdoor 4.22 GPM Digital Display Propane Gas Tankless Water Heater is a highly efficient and safe solution for outdoor hot water needs. With a quick and easy installation process, this water heater is equipped with all necessary accessories to ensure a hassle-free set up.

Designed to provide instant hot water, the Camplux tankless water heater produces 4.22 gallons per minute with water pressure between 4.0-110 PSI, making it ideal for camping trips and remote cabins. It is important to note that the tankless water heater should not be operated with improper sealing, as this could lead to gas leakage and potential fire hazards.

To ensure the safety of the user, the Camplux water heater features 6-in-1 protection, including flame failure device, anti-freezing protection, and over-heating protection. The anti-freezing drain plug also discharges residual water to avoid freezing in cold areas for long-term maintenance. Additionally, the gas supply is automatically shut off when high water temperature protection exceeds 167 °F.

The Camplux propane water heater is power-efficient and energy-saving, with a maximum output of 11,000 btu/hour. The compact and lightweight structure is equipped with 11.5% energy-saving technology, while the propane water heater exchanger and main burner are designed with advanced combustion technology to decrease gas consumption and burning noise.

When installing the Camplux tankless water heater, it is important to note that Teflon tape should not be twisted between the gas regulator and gas inlet pipe to avoid gas leakage and fire hazards. It is also recommended to always check for gas leakage before operating the water heater.

In summary, the Camplux 16L Outdoor 4.22 GPM Digital Display Propane Gas Tankless Water Heater is a reliable and efficient solution for outdoor hot water needs. With its quick and easy installation, advanced safety features, and energy-saving technology, it is a must-have for camping trips, remote cabins, or any outdoor activity that requires hot water.

2. Camplux Ay132 Portable Propane Tankless Water Heater – 1.32 Gpm, 5l, White.

The Camplux Tankless Water Heater, AY132, is a 1.32 gallon per minute portable propane outdoor camping water heater that is perfect for off-grid and rural areas. This lightweight and compact water heater weighs only 10 pounds and has a folding handle that keeps it out of the way and enables easy setup outside.

The flow rate and temperature specification of this tankless propane water heater is impressive. It can produce up to 1.32 gallons of hot water per minute at the flow rate of 1.32 GPM. The temperature raise is 114.8℉ (46℃) at its highest point and 46.4℉ (8℃) is at its lowest point.

The Camplux AY132 water heater is CSA approved with 6-in-1 protection that includes anti-freezing protection, over-heating protection, low water flow protection, dry combustion protection, high water pressure protection, and flame failure device. This ensures the safety of the user while using the water heater.

The package content includes a 5 feet premium on/off shower head, 5 feet gas regulator, 1 set US-standard garden hose, and 1 installation hardware pack. The installation process of this propane water heater is simple and takes only 10 minutes. However, it is important to read the directions before installation and to check for gas leaks at all times before operating to avoid gas leakage caused by improper sealing of the water heater.

It is important to note that damage caused by freezing is not covered under Camplux warranty. Therefore, it must be properly drained if the water heater is stored in cold climate. Freeze damage can occur in the heat exchanger or water valves. To drain the device properly, please open the drain stern located at the bottom right of the water heater by turning in a counter clockwise direction. Disconnect all incoming and outgoing water lines to ensure proper drainage from the water heater. When not in use, fully disconnect gas, incoming and outgoing waterlines, and store in a warm dry place.

In conclusion, the Camplux AY132 tankless water heater is a versatile and reliable option for anyone looking for a portable propane water heater for off-grid or rural areas. Its lightweight and compact design makes it easy to transport and set up, and its CSA safety approval ensures that it is safe to use.

3. Marey 4.2 Gpm Propane Tankless Water Heater For Whole House With Digital Display And 100,000 Btus.

The MAREY 4.2 GPM, 100,000 BTUs, Whole House solution, Digital Display, Outdoor Propane Gas Tankless Water Heater is a high-performance unit designed for outdoor use. It has a maximum output of 4.2 gallons per minute, providing a continuous flow of hot water for an outdoor shower at an output temperature of 115°F. With a rating of 100,000 BTUs, this water heater can deliver endless hot water, making it an ideal choice for larger households.

One of the most significant advantages of this propane gas tankless water heater is that it does not require electricity to operate. It ignites with two D cell batteries, making it perfect for off-grid areas, campsites, cabins, or any location where electricity is not available. This feature makes it an excellent choice for those who want to enjoy a hot shower in the great outdoors.

The MAREY 4.2 GPM, 100,000 BTUs, Whole House solution, Digital Display, Outdoor Propane Gas Tankless Water Heater comes with a digital display that makes it easy to adjust the water and gas flow to your desired output temperature. The digital display provides accurate temperature readings, ensuring that you can set the desired temperature precisely. This feature is particularly useful for those who want to control the temperature of their outdoor shower or hot tub.

The unit is equipped with a CSA Certified gas regulator and hose, ensuring that it meets the highest safety standards. The gas regulator and hose are designed to ensure a stable gas flow, preventing any gas leaks. Additionally, a portable outdoor shower is included, making it easy to set up an outdoor shower wherever you need it.

Overall, the MAREY 4.2 GPM, 100,000 BTUs, Whole House solution, Digital Display, Outdoor Propane Gas Tankless Water Heater is an excellent choice for those who want to enjoy a hot shower or hot tub in the great outdoors. Its durable construction and high-performance capabilities make it an ideal choice for larger households or outdoor enthusiasts. With its easy-to-use digital display and CSA Certified gas regulator and hose, this water heater is a reliable and safe choice for your outdoor hot water needs.

4. Camplux Portable Propane Tankless Water Heater With Digital Display, 2.64 Gpm, For Outdoor Camping, White

The Camplux 2.64 GPM Propane Portable Gas Water Heater is a highly efficient and portable solution for providing endless hot water in outdoor settings. This tankless water heater is designed to meet the CSA safety standards for propane appliances, ensuring optimal safety for users. It features a flame failure device, anti-freezing protection, and over heating protection to prevent accidents and provide peace of mind.

The Camplux propane water heater is designed to automatically decrease water pressure between 3.6-110 PSI, and it has an anti-freezing drain plug that can discharge residual water to prevent freezing in cold areas or during long periods of non-use. Additionally, the water heater shuts off automatically when the water temperature reaches over 176 °F, providing an extra layer of safety.

The water heater has a compact and lightweight design, weighing only 23 pounds, making it easy to carry and install. The mounting bracket on the top/back of the heater allows it to be easily hung in the desired location, and it takes only 15 minutes to install.

The Camplux propane water heater uses advanced combustion technology to decrease gas consumption and burning noise, resulting in 11.5% energy savings. With a maximum power output of 68,000btu/hour, it can provide up to 2.64 gallons of instant hot water wherever it is needed. There is no need to preheat the water as the heater provides hot water on demand as soon as the tap is turned on.

It is important to note that improper sealing of the water heater can cause gas leakage, which can be dangerous. Therefore, users should avoid using Teflon tape between the gas regulator and gas inlet pipe, and always check for gas leakage before operation.

Overall, the Camplux 2.64 GPM Propane Portable Gas Water Heater is a reliable and efficient solution for providing hot water in outdoor settings. Its safety features, energy-saving technology, and instant hot water capabilities make it an ideal choice for camping, RV trips, and outdoor events.

5. Camplux Constant Propane Tankless Water Heater, 3.18 Gpm, Indoor, Black.

The Camplux Constant Propane Water Heater is a tankless water heating system that delivers up to 3.18 gallons per minute of on-demand hot water. This instant hot water heater is designed to provide constant hot water for 2-3 people in a whole house. The heater is activated by water flow, rather than water pressure, and has a minimum activation water capacity rate of 0.65 GPM-4.8 GPM. With a maximum input rating of 82,000 BTUs, this propane water heater is a powerful and efficient solution for your hot water needs.

The tankless propane water heater is easy to install and comes with a standard 1/2" NPT water fitting and gas inlet. The gas water heater also includes a 2.3" horizontal vent pipe for convenient and quick installation, making it great for whole home, small cabins, and remote apartments use. The S/S wall thimble-WT236 is recommended for perfect indoor use. A gas regulator (Camplux model KR-106A) and 1 pc 5/8" NPT male to 1/2" BSP female gas connector adapter are required if you want to hook this water heater up to a propane tank.

The tankless hot water heater has a trendy and modern design with a unique black glassy front panel that makes it easy to control the water temperature with an LED touchscreen. The compact size of the water heater saves more space than traditional tanks, making it ideal for small homes and apartments.

The propane instant hot water heater comes with an oxgen-free copper heat exchanger and v-type stainless steel burner, which provides high heating efficiency up to 89.98%. The 90°wind isolation design allows the tankless propane water heater to anti backflow wind in high floors, and the S/S 2.36" vent pipe exhausts harmful gases quickly.

The Camplux Constant Propane Water Heater also features 6-in-1 protection to ensure your safety. These safety features include dry combustion, flame failure device, anti-freezing protection, over heating protection, fully automatic temperature controls with an energy-saving mode, and child lock technology.

It is important to note that the standby electric power of the product is 2W, and the working electric power of the product is 42W. The propane gas input pressure is 0.4psi, and there is a pressure relief valve at the water inlet of the water heater. It is necessary to manually unscrew the pressure relief valve to drain the water inside the machine in time after using the machine to avoid freezing and blowing up when the temperature is lower than 32 ° F in winter.

Overall, the Camplux Constant Propane Water Heater is a reliable and efficient solution for on-demand hot water needs in small homes, apartments, and cabins. Its easy installation, modern design, and safety features make it a great choice for those looking for an affordable and convenient hot water solution.

6. Rheem Rtg-70xlp-1 Tankless Water Heater, Grey, Grey

The Rheem RTG-70XLP-1 Tankless Water Heater is an innovative solution for those seeking an efficient and cost-effective way to heat water. With its continuous hot water supply, users never have to worry about running out of hot water, even during back-to-back showers. The unit is gas-powered, making it an environmentally-friendly choice that reduces energy consumption and saves money on utility bills.

One of the key advantages of the Rheem RTG-70XLP-1 is its ability to automatically adjust the amount of energy required to heat the water you need. This feature ensures that energy is not wasted, which is not only good for the environment but also saves money in the long run.

The unit is also incredibly easy to control, with a temperature range that can be easily adjusted from 85˚F–140˚F. This means that users can enjoy hot water at the temperature they prefer, without having to compromise.

Another benefit of the Rheem RTG-70XLP-1 is its versatility. It is designed for outdoor use and comes equipped with freeze protection up to -30 degrees. This makes it ideal for areas with harsh winter climates, where traditional water heaters may struggle to keep up.

Overall, the Rheem RTG-70XLP-1 Tankless Water Heater is an excellent choice for those seeking an efficient and cost-effective way to heat water. Its continuous hot water supply, energy-saving features, and easy-to-use controls make it a top choice for homeowners and businesses alike. Plus, its outdoor design and freeze protection ensure that it can be used in even the harshest of environments.

7. Fogatti Propane Tankless Water Heater, Outdoor, 8.1 Gpm, 180,000 Btu, White.

The propane gas tankless water heater manufactured by FOGATTI is an excellent addition to any home, providing instant hot water without the need for preheating. With a high heating capacity of 180,000 BTU and maximum flow rate of 8.1 GPM, this water heater is capable of meeting the hot water demands of a small to medium-sized family with 3-5 outlet points.

One of the most significant advantages of the tankless design is that it eliminates the need for a storage tank, which can save space and energy costs. Additionally, tankless water heaters are more energy-efficient than traditional storage tank water heaters, as they only heat water when it is required, resulting in less standby energy loss.

The FOGATTI propane gas tankless water heater boasts a high energy conversion rate of over 0.81, which can effectively reduce energy loss, resulting in lower energy bills. Furthermore, it is CSA certified in the United States and Canada, ensuring superior safety and durability.

The installation of the FOGATTI propane gas tankless water heater must be done in accordance with local building and plumbing codes by a licensed professional. The compact design of this device makes it easy to install. Additionally, a built-in forced exhaust fan at the bottom of the unit ensures stable combustion and eliminates the influence of external wind, further increasing its safety.

FOGATTI provides a 30-day free replacement policy and a 5-year warranty on the heat exchanger and a 2-year warranty on other parts. However, the labor costs after 30 days are extra. This warranty ensures that the product is of high quality and is built to last.

In conclusion, the FOGATTI propane gas tankless water heater is an efficient and reliable device that provides instant hot water without the need for preheating. Its high energy conversion rate, superior safety, and durability make it an excellent choice for any home.

8. Camplux Pro Outdoor Propane Tankless Water Heater For Residential Use, 6.86 Gpm, High Capacity Flow Control, Ideal For 3-4 People.

The Camplux Pro 6.86 GPM Outdoor Propane Tankless Water Heater is an advanced residential gas water heater that can serve the hot water needs of 3-4 persons simultaneously. With a high capacity flow control system, this tankless water heater delivers 6.86 gallons per minute of endless hot water, making it ideal for use in larger homes or multi-family settings.

One of the key advantages of this tankless water heater is its low nitrogen combustion design, which helps to save energy and reduce emissions. Equipped with a v-type stainless steel burner, the water heater has an impressive heating efficiency rating of up to 89.98%, making it a cost-effective and environmentally friendly choice for homeowners.

Another notable feature of the Camplux Pro 6.86 GPM Outdoor Propane Tankless Water Heater is its direct-current frequency conversion fan. The fan is designed to resist strong winds up to level 8, making it suitable for use in high-rise buildings where water pressure can be a concern.

In addition to its high performance and energy efficiency, the Camplux Pro 6.86 GPM Outdoor Propane Tankless Water Heater also comes with anti-frozen heating mould. This ensures that the water heater automatically heats up when the ambient temperature drops below 41 ℉, which eliminates the need for waiting for the water to heat up and draining the system after use.

To ensure the safety of the users, the Camplux Pro 6.86 GPM Outdoor Propane Tankless Water Heater is equipped with an anti-scalding function. This feature prevents children from accidentally setting the temperature too high, which could lead to burns. The water valve must be closed to put the water heater in standby mode before setting the temperature above 122 ℉.

Overall, the Camplux Pro 6.86 GPM Outdoor Propane Tankless Water Heater is a top-of-the-line residential gas water heater that offers advanced features and high performance. Whether you're looking to upgrade your existing water heating system or install a new one, this tankless water heater is an excellent choice for homeowners who demand the best.

9. Rinnai Rl75ep Propane Gas Tankless Hot Water Heater, 7.5 Gpm

The Rinnai RL75eP Propane Gas Tankless Hot Water Heater is a non-condensing tankless hot water heater that boasts a Circ-Logic technology, enabling it to offer recirculation patterns that match the habits of the user. For those seeking the latest in non-condensing technology, the RE160eP model is also available.

This compact propane water heater is only the size of a small suitcase and can fit into a wide variety of spaces, yet it provides up to 7.5 gallons per minute (GPM) of hot water, enough to supply five fixtures at once. This ensures that hot water is always available whenever it is needed, without having to worry about running out.

The Rinnai RL75eP Propane Gas Tankless Hot Water Heater is designed to be smart and durable, with a 12-, 5-, and 1-year residential guarantee and 5-, 5-, and 1-year commercial factory warranty for heat exchanger, labor, and parts, respectively. The Controlr module for WiFi control can be purchased separately, allowing for easy remote control of the heater.

Professional installation is recommended, and customers can visit the Find a Rinnai PRO page on the company's website to locate a qualified technician in their area to install their tankless water heater. Rinnai does not recommend installing a water heater without a technician.

To ensure that customers can find the right tankless water heater for their home, Rinnai provides product guides, manuals, energy guides, warranty information, videos, and tables on their website. Customers can also check the Ground Water Temperature Map to see if this heater is optimal for their region.

In summary, the Rinnai RL75eP Propane Gas Tankless Hot Water Heater offers a compact and efficient solution for those seeking a reliable source of hot water. With its smart and durable design, customers can rest assured that they will have access to hot water whenever they need it.

10. Rheem Mid-Efficiency 8.4gpm Outdoor Natural Gas Tankless Water Heater

The Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater is a high-performance, energy-efficient water heating solution designed to deliver hot water on-demand. This tankless water heater boasts an exclusive Water Savings technology that allows it to conserve up to 1,100 gallons of water per year, making it an ideal choice for homeowners looking to save money on their water bills.

With a gas consumption rate of 157,000 BTU per hour, this water heater is capable of delivering a steady supply of hot water to meet the demands of a large household. The unit features exclusive Hot Start Programming that minimizes cold water bursts by staying in a ready-fire state, ensuring that the water is always at the desired temperature.

The Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater is also equipped with a recirculation pump ready kit, allowing homeowners to add a recirculation pump for instant hot water. This feature saves time and reduces water waste, making it an eco-friendly option for those who want to reduce their environmental footprint.

The unit is designed for outdoor use and comes with freeze protection up to -30 degrees, so it can withstand harsh weather conditions. Its fuel type is natural gas, which is a cost-effective and efficient way to heat water.

Overall, the Rheem Mid-Efficiency 8.4GPM Outdoor Natural Gas Tankless Water Heater is a reliable and efficient water heating solution for homeowners who want to save money on their water bills and reduce their environmental impact. Its innovative features, such as its Water Savings technology and Hot Start Programming, make it a top choice for those who demand high-quality and consistent hot water.

Best Outdoor Propane Tankless Water Heater FAQs

How efficient are outdoor propane tankless water heaters compared to traditional tank water heaters?

Outdoor propane tankless water heaters are more efficient than traditional tank water heaters. Tankless water heaters heat water on demand, which means they do not have to keep a large tank of water hot all the time, resulting in energy savings. Tankless water heaters are also more durable and last longer than traditional tank water heaters. The average life expectancy of a tankless water heater is 20 years, while traditional tank water heaters last around 10-15 years. Propane tankless water heaters are also more environmentally friendly, as they produce fewer greenhouse gases and are more energy-efficient, reducing your carbon footprint. However, propane tankless water heaters require a larger upfront investment than traditional tank water heaters. In conclusion, if you're looking for a more energy-efficient and durable option, an outdoor propane tankless water heater is the way to go.

How much does it cost to install an outdoor propane tankless water heater?

It is difficult to give an exact cost for installing an outdoor propane tankless water heater as it depends on various factors such as the size of the unit and the complexity of the installation. On average, the cost of the unit itself can range from $500 to $1,500. The installation costs can vary depending on the location of the installation, the amount of piping needed, and the labor costs of the installer. On average, installation costs can range from $1,500 to $3,000. Additionally, there may be additional costs such as permits, inspections, and upgrades to the gas line or electrical system. It is recommended to obtain quotes from multiple licensed and experienced professionals to ensure a fair and accurate price for installation.

What are the top-rated outdoor propane tankless water heaters on the market?

There are several top-rated outdoor propane tankless water heaters on the market, including:

1. Rinnai V65EP Tankless Water Heater: This unit is highly efficient and provides a steady supply of hot water.

2. Takagi T-KJr2-IN-NG Indoor Tankless Water Heater: This unit is designed for outdoor installation and is highly energy-efficient.

3. Rheem RTG-84XLN Outdoor Tankless Natural Gas Water Heater: This unit is designed for outdoor use and provides a constant supply of hot water.

4. Eccotemp L10 Portable Outdoor Tankless Water Heater: This unit is ideal for camping, outdoor showers, and other outdoor activities.

5. Camplux 5L Outdoor Portable Propane Tankless Water Heater: This unit is lightweight and easy to carry, making it perfect for outdoor use.

Overall, these tankless water heaters are highly rated for their efficiency, durability, and ease of use. They are ideal for outdoor use and provide a constant supply of hot water, making them perfect for camping, outdoor showers, and other activities.

What features should I look for when choosing the best outdoor propane tankless water heater?

When choosing the best outdoor propane tankless water heater, there are several features to consider. Firstly, the size and capacity of the heater should be determined by the number of people using it and the demand for hot water. The energy efficiency rating is also important as it will affect the cost of operating the heater. Look for models with high efficiency ratings to save on energy costs. The durability and quality of the materials used to construct the heater should also be considered, especially if it will be exposed to the elements. Outdoor propane tankless water heaters should also have safety features such as automatic shut-off valves in case of a gas leak or other emergency. Finally, consider additional features such as remote control operation, digital displays, and self-diagnostic systems that can improve the convenience and ease of use of the heater.

What is the average lifespan of an outdoor propane tankless water heater?

The average lifespan of an outdoor propane tankless water heater can range from 10-15 years with proper maintenance and usage. The lifespan can vary depending on factors such as water quality, usage frequency, and maintenance. Regular maintenance can extend the lifespan of the unit, including flushing the system, cleaning the heat exchanger, and checking for leaks. It is important to ensure the unit is installed properly and in a location that provides adequate ventilation and protection from the elements. Over time, the unit may experience wear and tear, leading to decreased efficiency and potential malfunctions. It is recommended to have a professional inspect the unit annually to ensure it is functioning properly and to address any potential issues before they become major problems. Overall, regular maintenance and proper usage can extend the lifespan of an outdoor propane tankless water heater.

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