10 Best Propane Tankless Water Heater For High Altitude (2024 Update)

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If you live in a high altitude area and are considering a propane tankless water heater, there are a few key points you should keep in mind.

Firstly, high altitude areas require a different type of propane regulator due to lower atmospheric pressure. Make sure to choose a water heater with a regulator specifically designed for high altitude.

Secondly, tankless water heaters require a certain flow rate to activate the heating mechanism. In high altitude areas, the flow rate may need to be adjusted to ensure the heater activates properly.

Thirdly, the colder temperature in high altitude areas means that the heater will need to work harder to warm the water, so it is important to choose a water heater with a high BTU output.

Fourthly, consider the size of the water heater. In high altitude areas, larger units may be necessary to accommodate the increased demand for hot water.

Lastly, make sure to choose a reputable brand and model that has been specifically tested and certified for high altitude use.

Overall, choosing a propane tankless water heater for high altitude requires careful consideration of the unique factors at play in these areas. By keeping these key points in mind, you can make an informed decision and ensure you have a reliable source of hot water for your home.

10 Best Propane Tankless Water Heater For High Altitude

1. Rinnai V65ip Non-Condensing Propane Tankless Water Heater, Indoor Installation, Up To 6.5 Gpm

The Rinnai V65iP Non-Condensing Propane Tankless Water Heater is an efficient and compact solution for providing hot water in homes. With its original design, this tankless water heater only heats water when necessary, conserving energy and reducing costs. For those interested in the latest non-condensing technology, Rinnai's new RE160iP model offers a cleaner layout that speeds up service and installation.

One of the key benefits of this tankless water heater is that it ensures homeowners never run out of hot water. Despite its small size, the V65iP model can provide up to 6.5 gallons per minute, enough to supply hot water to five fixtures simultaneously. This compact propane water heater is only the size of a small suitcase, making it easy to fit into a variety of spaces.

Built to last, the V65iP features enhanced scale detection to help prevent serious, long-term damage to the unit. Additionally, Rinnai offers a 15-year residential guarantee for the heat exchanger, a 5-year guarantee for labor, and a 1-year guarantee for parts. For those interested in controlling the water heater through WiFi, the Controlr module is available but not included.

Professional installation is recommended for the V65iP. Homeowners can visit the Find a Rinnai PRO page on the company's website to locate a qualified technician in their area. Rinnai does not recommend installing a water heater without a technician.

To find the right tankless water heater for their home, homeowners can refer to Rinnai's product guides, manuals, energy guide, warranty information, videos, and tables. They can also check the Ground Water Temperature Map to see if the V65iP is optimal for their region.

Overall, the Rinnai V65iP Non-Condensing Propane Tankless Water Heater is a smart and durable choice for those looking to supply hot water to their home efficiently and effectively. With its compact size, advanced technology, and guarantees, it is a reliable investment for any household.

2. Fogatti Rv Tankless Water Heater Gen 2 With Remote Controller, 2.9 Gpm, 55,000 Btu, And High Altitude Performance. Ideal For Everyday Rv Use.

The FOGATTI RV Tankless Water Heater, Gen 2, with White Door and Remote Controller is a high-performance water heating solution ideal for RVers' everyday use. With its 55,000 BTU power, it can produce a maximum of 2.9 GPM of hot water, ensuring an incessant supply of hot water for over 20 minutes.

The FOGATTI RV Tankless Water Heater is equipped with staged combustion technology that controls the amount of flame during summer and prevents the water from getting too hot, thereby saving the limited propane gas available for caravan travel. Additionally, the high altitude suitability mode allows the machine to run smoothly even when driving the caravan to the high Denver plateau at 9800 feet.

The FOGATTI RV Tankless Water Heater can replace a wide range of RV water heaters, including Suburban and Atwood's 6 gallons tank water heaters, as well as Girard and Furrion's tankless water heaters. The opening measures 13 x 13 inches, and the door is 15 x 15 inches. If you were previously using a 10 gallons tank water heater, it will need to be retrofitted with an 18 x 18 door.

Tankless water heaters are better than tanked water heaters for continuous showering of multiple people. The FOGATTI RV Tankless Water Heater eliminates the need to waste 20-30 minutes waiting for hot water in the middle of the shower, ensuring hot water is available at all times. The water heater uses propane for heating, so there is no need to worry about running out of power in your caravan.

The FOGATTI RV Tankless Water Heater is designed to save you money and trouble. It features a pressure relief valve built into the product, eliminating the need to buy and install it separately. It also comes with a 15 x 15 door and an intelligent remote controller up to 2 meters long, providing convenience and ease of use.

Safety and reliability are paramount concerns for the FOGATTI RV Tankless Water Heater. The product is CSA certified and features multiple protection features such as a built-in forced exhaust fan on top, stable combustion, automatic gas shut-off for accidental flame failure, and anti-freeze.

In summary, the FOGATTI RV Tankless Water Heater is a high-performance, versatile, and cost-effective water heating solution that guarantees hot water availability for RVers' everyday use. Its advanced features, safety, and reliability make it an excellent choice for anyone looking for a top-quality RV water heater.

3. Rheem Prestige Condensing Tankless Indoor Liquid Propane Water Heater 6.8 Gpm – Rtgh-68dvlp-2

The Rheem Prestige Condensing Tankless Indoor Liquid Propane Water Heater 6.8 GPM – RTGH-68DVLP-2 is a high-performance water heater that provides hot water without the wait or the waste. Its compact and space-saving design makes it ideal for tank replacements and small spaces.

This tankless water heater is highly energy-efficient and cost-effective, which makes it an ideal choice for those who want to save on their energy bills. It has a high energy efficiency and water savings setting that can help reduce water and energy usage, resulting in significant cost savings over time.

One of the most significant benefits of this tankless water heater is that it is equipped with water and gas leak detection systems that automatically shut down the unit and provide an error code in case of a leak. This feature ensures that your home and family are safe from any potential hazards.

The Rheem Prestige Condensing Tankless Indoor Liquid Propane Water Heater 6.8 GPM – RTGH-68DVLP-2 is designed for indoor use only. It is easy to install and operate, making it an ideal choice for homeowners who want a hassle-free water heating solution.

This tankless water heater has a capacity of 6.8 gallons per minute, which means it can provide a significant amount of hot water on demand. It is perfect for households with multiple bathrooms or for those who require hot water for various applications simultaneously.

In conclusion, the Rheem Prestige Condensing Tankless Indoor Liquid Propane Water Heater 6.8 GPM – RTGH-68DVLP-2 is an excellent water heating solution for those who want hot water without the wait or the waste. Its energy-efficient design and water-saving features make it a cost-effective option for homeowners. The automatic shut-off system ensures safety, and the compact design saves space. Overall, this tankless water heater is an excellent investment for any home.

4. Rheem Prestige High Efficiency 9.5gpm Indoor Natural Gas Tankless Water Heater

The Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater is a cutting-edge appliance that delivers hot water without the wait or waste. This product is designed to provide a continuous supply of hot water, making it ideal for households with high demand for hot water.

One of the key benefits of this tankless water heater is its low operating cost. This is due to its high energy efficiency and water savings setting, which ensures that energy and water are not wasted. This means that households can save money on their utility bills while enjoying a constant supply of hot water.

In addition to its energy-saving features, the Rheem Prestige High Efficiency Tankless Water Heater has a compact, space-saving design. This makes it perfect for replacing an old tank-style water heater, as it can be installed in a small space. This product is also designed for indoor use only, which makes it suitable for apartment complexes, condominiums, and other residential settings.

Another feature of this tankless water heater is its water and gas leak detection system. If there is a leak in the water or gas supply, the unit will shut down automatically and provide an error code. This ensures that homeowners can detect and fix any leaks quickly, reducing the risk of damage to their property.

Overall, the Rheem Prestige High Efficiency 9.5GPM Indoor Natural Gas Tankless Water Heater is an excellent choice for households that demand a constant supply of hot water. Its energy-saving features, compact design, and safety features make it a reliable and cost-effective appliance that can provide hot water without the wait or waste.

5. Camplux 3.18 Gpm Propane Tankless Water Heater For Instant Hot Water, Indoor Use – Black.

The Camplux Constant Propane Water Heater is a tankless, on-demand hot water heater that provides a constant supply of hot water to households of 2-3 people. With a flow rate of 3.18 gallons per minute, this heater is activated by water flow rather than pressure, ensuring a consistent and comfortable hot water experience.

Installation of the Camplux Constant Propane Water Heater is easy thanks to its standard 1/2" NPT water fitting and gas inlet, along with a 2.3" horizontal vent pipe included for quick and convenient installation. The heater is ideal for small cabins, remote apartments, and whole-home use. Users will need a gas regulator and 5/8" NPT male to 1/2" BSP female gas connector adapter if hooking the heater up to a propane tank.

The Camplux Constant Propane Water Heater features a trendy and modern design with a black glassy front panel, making it an attractive addition to any household. The LED touchscreen allows for easy control of the water temperature, with Fahrenheit and Celsius switch options available. The compact size of the heater saves space compared to traditional tanks.

The propane instant hot water heater boasts outstanding features such as an oxygen-free copper heat exchanger and v-type stainless steel burner, providing high heating efficiency up to 89.98%. Additionally, the 90°wind isolation design ensures that the heater can withstand backflow wind in high floors, while the S/S 2.36" vent pipe exhausts harmful gases quickly.

The Camplux Constant Propane Water Heater comes with 6-in-1 protection to ensure user safety, including dry combustion, flame failure device, anti-freezing protection, and over-heating protection. Fully automatic temperature controls with an energy-saving mode and child lock technology provide added security.

It is important to note that the standby electric power of the product is 2W, and the working electric power is 42W. The propane gas input pressure is 0.4psi, and there is a pressure relief valve at the water inlet of the heater. Users must manually unscrew the pressure relief valve to drain the water inside the machine after use to prevent freezing and potential damage in temperatures below 32°F.

In conclusion, the Camplux Constant Propane Water Heater is a reliable and efficient option for households in need of a constant supply of hot water. Its easy installation, modern design, outstanding features, and safety measures make it an excellent choice for any home.

6. Rinnai Rl94ip Non-Condensing Propane Tankless Water Heater, Indoor Installation, Up To 9.8 Gpm

The Rinnai RL94iP Non-Condensing Propane Tankless Water Heater is a smart and durable appliance that provides a continuous supply of hot water for your home or business. This compact unit, which is only the size of a small suitcase, can fit in a variety of spaces and delivers up to 9.8 gallons per minute, which is enough for six fixtures to run simultaneously.

One of the standout features of this tankless hot water heater is its Circ-Logic technology, which offers recirculation patterns that match your habits. This ensures that you never run out of hot water, as the unit anticipates your needs and delivers water at the right temperature and flow rate. For those looking for the latest in non-condensing technology, Rinnai offers the RE180iP model, which speeds up service and installation.

The Rinnai RL94iP comes with a 12-year residential guarantee for the heat exchanger, a 5-year residential warranty for labor, and a 1-year residential warranty for parts. For commercial installations, the heat exchanger is covered by a 5-year factory warranty, while labor and parts have a 5-year and 1-year warranty, respectively. The unit also features a Controlr module for WiFi control, although this is not included in the package.

While the Rinnai RL94iP Non-Condensing Propane Tankless Water Heater is designed for indoor installation, it is important to note that professional installation is recommended. To ensure optimal performance and safety, it is best to consult a qualified technician who can install the unit according to local codes and regulations. Rinnai offers a Find a Rinnai PRO page on their website to help customers locate a qualified technician in their area.

To find the right tankless water heater for your home or business, Rinnai provides product guides, manuals, energy guides, warranty information, videos, and tables on their website. They also offer a Ground Water Temperature Map, which helps customers determine if this heater is optimal for their region.

Overall, the Rinnai RL94iP Non-Condensing Propane Tankless Water Heater is a reliable and efficient appliance that meets the demand for hot water in a variety of settings. Its smart technology, durable design, and comprehensive warranty make it a worthwhile investment for those looking to upgrade their water heating system.

7. Fogatti Indoor Propane Gas Tankless Water Heater – 7.5 Gpm, 170,000 Btu, White – Instagas Comfort 170 Series.

The Propane Gas Tankless Water Heater from FOGATTI is a reliable and efficient solution for providing instant hot water in residential and commercial settings. With a high heating capacity of 170,000 BTU and a maximum flow rate of 7.5 gallons per minute, this water heater is suitable for use in homes with 3-4 outlet points, making it ideal for whole families.

The tankless design means there is no need to wait for preheating, providing unlimited hot water on demand. With a Uniform Energy Factor (UEF) of over 0.81, this water heater boasts a high energy conversion rate, effectively reducing energy loss and saving on utility bills.

This water heater is CSA certified in both the United States and Canada, ensuring superior safety and durability. It utilizes the world's most advanced technology, making it a reliable and long-lasting investment.

The built-in forced exhaust fan at the bottom of the unit ensures stable combustion, while eliminating the influence of external wind. The compact design makes installation easy and efficient.

It is essential to follow the local building and plumbing codes of the installation location, and have installation done by a licensed professional. FOGATTI provides free replacement within 30 days and offers a 5-year warranty on the heat exchanger and a 2-year warranty on other parts. Any labor costs after 31 days are extra.

In summary, the Propane Gas Tankless Water Heater from FOGATTI offers a convenient and efficient solution for providing instant hot water in residential and commercial settings. Its high heating capacity, maximum flow rate, and advanced technology make it a reliable and cost-effective investment for any home or business.

8. Rinnai Ru199ip Condensing Tankless Hot Water Heater, 11 Gpm, Propane, Indoor Installation

The Rinnai RU199iP Condensing Tankless Hot Water Heater is a high-performance propane-powered appliance designed to provide homeowners with a constant stream of hot water while saving energy and space. With a flow rate of up to 11 GPM, this tankless water heater is an ideal solution for those looking to upgrade their existing hot water system or install a new one.

One of the key benefits of the Rinnai RU199iP is its endless hot water supply, which means homeowners can enjoy a constant stream of hot water throughout the house without ever running out. This feature is particularly useful for larger households with multiple bathrooms and high hot water demand.

Moreover, the Rinnai RU199iP is energy-efficient, as it heats only when necessary, which translates into significant energy savings for homeowners. Its space-saving design further adds to its appeal, making it an ideal choice for those with limited space in their homes.

Another impressive feature of the Rinnai RU199iP is its Circ-Logic technology, which enables homeowners to pair the tankless water heater with an external pump to reduce wait time for hot water. This feature can be used via scheduled or on-demand recirculation, ensuring that hot water is available whenever it's needed.

The Rinnai RU199iP is built to last, backed by a 15-year warranty for the heat exchanger, a 5-year warranty for labor, and a 1-year warranty for parts. Furthermore, the tankless water heater comes with WiFi monitoring, allowing homeowners to track their hot water usage and monitor its performance remotely.

While the Rinnai RU199iP is designed for easy installation, professional installation is recommended to ensure optimal performance and safety. The tankless water heater is also compact and durable, making it an excellent choice for those looking for a reliable and efficient hot water system.

In summary, the Rinnai RU199iP Condensing Tankless Hot Water Heater is a high-performance, energy-efficient, and space-saving appliance that provides homeowners with an endless supply of hot water. With its advanced technology, durable construction, and generous warranty, it's an excellent investment for any household looking to upgrade their hot water system.

9. Marey 8.34gpm Natural Gas Tankless Water Heater, Csa Certified, Residential Use.

The MAREY GA24CSANG is a high-performance tankless water heater that is CSA certified for use in residential settings. This natural gas water heater is designed to provide a reliable and efficient source of hot water for multiple points of use throughout the home.

One of the key features of this water heater is its LED touch screen computerized safety system. This system allows users to easily control and monitor the performance of the water heater, ensuring that it is operating safely and efficiently at all times.

The MAREY GA24CSANG also features flow activation technology, which ensures that the water heater only turns on when hot water is needed. This helps to conserve energy and reduce operating costs, making it an eco-friendly and cost-effective choice for homeowners.

Another important feature of this water heater is its oxygen-free copper heat exchanger. This high-quality heat exchanger is designed to provide maximum heat transfer efficiency, ensuring that hot water is delivered quickly and consistently throughout the home.

The MAREY GA24CSANG also features a stainless steel venting exhaust, which helps to prevent corrosion and ensure long-lasting performance. Additionally, this water heater includes anti-freeze protection, which helps to prevent damage to the unit in cold weather conditions.

This tankless water heater is UL listed and DOE compliant, ensuring that it meets or exceeds all safety and performance standards set by regulatory agencies. Overall, the MAREY GA24CSANG is an excellent choice for homeowners who want a reliable and efficient source of hot water for their home.

10. 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 an easy-to-install and efficient solution for hot water needs in outdoor locations. With its compact and lightweight structure and 11.5% energy saving technology, this water heater is perfect for camping and remote cabins.

Setting up the Camplux water heater is a breeze, taking only about 5 minutes with all necessary accessories included. However, it is important to note that users should not twine Teflon tape between the gas regulator and gas inlet pipe to avoid gas leakage and improper operation leading to fire hazards.

With a maximum power output of 11,0000 btu/hour, this portable water heater can provide instant hot water on demand with a flow rate of 4.22 gallons per minute. It lights up automatically when water pressure is between 4.0-110 PSI, making it easy to use in low water pressure environments.

The Camplux water heater also features 6-in-1 protection to ensure user safety. It is equipped with flame failure device, anti-freezing protection, and over heating protection. Additionally, it has an anti-freezing drain plug that discharges residual water to prevent freezing in cold areas during long-term maintenance. The gas supply automatically shuts off when high water temperature protection is triggered at over 167 °F.

The propane water heater's exchanger and main burner have advanced combustion technology that decreases gas consumption and burning noise, making it an energy-efficient and eco-friendly choice for outdoor hot water needs.

In summary, the Camplux 16L Outdoor 4.22 GPM Digital Display Propane Gas Tankless Water Heater is a safe, efficient, and easy-to-use solution for outdoor hot water needs. Its compact and lightweight structure, energy-saving technology, and 6-in-1 protection features make it a reliable and convenient choice for camping, remote cabins, and other outdoor activities.

Best Propane Tankless Water Heater For High Altitude FAQs

Are there any safety concerns with using a propane tankless water heater at high altitude?

There are some safety concerns with using a propane tankless water heater at high altitude, mainly related to the combustion process. At high elevations, the air pressure is lower, which can affect the oxygen supply to the combustion chamber. This may cause incomplete combustion, leading to the production of carbon monoxide and other harmful gases. Additionally, the lower air pressure can affect the gas flow and pressure, potentially causing problems with the gas valve and burner.

To avoid these potential risks, it is essential to have a propane tankless water heater that is designed and certified for use at high altitudes. This means that the appliance has been tested and approved to function correctly at the reduced air pressure levels found at higher elevations. Additionally, regular maintenance and inspection of the unit are crucial to ensure optimal performance and safety. Overall, it is essential to follow the manufacturer's recommendations and guidelines for safe and proper use of a propane tankless water heater at high altitude.

How do I adjust the settings on my propane tankless water heater to optimize performance at high altitude?

To optimize the performance of a propane tankless water heater at high altitude, it is necessary to adjust the settings according to the manufacturer's instructions. The combustion process in a propane tankless water heater is affected by the availability of oxygen, which decreases at higher altitudes. Therefore, the propane air mixture needs to be adjusted to ensure efficient and safe combustion.

Most propane tankless water heaters have altitude adjustment screws or dip switches that allow you to adjust the fuel-air mixture. Consult the user manual or contact the manufacturer to determine the appropriate settings for your specific model. Additionally, it is recommended to have a professional plumber or HVAC technician perform the adjustment to ensure that it is done correctly and safely.

Other factors that may affect the performance of a propane tankless water heater at high altitude include water pressure, temperature, and flow rate. The water heater should be properly sized for the altitude and the demand of the household. Regular maintenance and cleaning of the unit are also important to ensure optimal performance and longevity.

How does high altitude affect the performance of propane tankless water heaters?

High altitude can affect the performance of propane tankless water heaters due to the decrease in air pressure. As the altitude increases, the air pressure decreases, causing the propane gas to expand and flow at a slower rate, which can lead to incomplete combustion and reduced efficiency. This can result in lower water temperatures, longer wait times for hot water, and higher fuel consumption. To combat this, propane tankless water heaters designed for high altitude use are equipped with specialized components, such as larger burners and gas valves, to ensure adequate fuel flow and optimal performance. Installation of these specialized components should be done by a licensed professional to ensure safety and compliance with local codes and regulations. Proper maintenance and cleaning of the unit are also essential to ensure optimal performance and longevity of the equipment.

What are the best propane tankless water heaters for high altitude?

When it comes to finding the best propane tankless water heaters for high altitude, it's important to consider a few key factors. Firstly, high altitude areas have lower atmospheric pressure, which affects the performance of gas-powered appliances. Therefore, it's crucial to find a water heater that is specifically designed for use at high altitudes.

One of the top options for propane tankless water heaters in high altitude areas is the Rinnai RUC98iP Ultra Series Propane Tankless Water Heater. This model is designed to work efficiently in altitudes up to 10,200 feet, making it a great choice for homes located in mountainous regions. It also offers a high flow rate of up to 9.8 gallons per minute, providing plenty of hot water for larger households.

Another top pick is the Takagi T-H3-DV-P Propane Tankless Water Heater, which is also designed to operate efficiently in high altitude areas. This model offers a maximum flow rate of 10 gallons per minute and features a compact, space-saving design that makes it ideal for smaller homes or apartments.

Overall, when searching for the best propane tankless water heaters for high altitude, it's important to look for models that are specifically designed for use in these areas and offer a high flow rate to meet the demands of larger households.

What special considerations should be taken when installing a propane tankless water heater at high altitude?

When installing a propane tankless water heater at high altitude, there are a few special considerations that need to be taken into account. Firstly, the heater's performance will be affected by the lower air pressure and thinner air at high altitude, which can cause incomplete combustion and reduced efficiency. To compensate for this, the heater may need to be adjusted or have a smaller gas orifice installed to allow for proper burning. Additionally, it's important to ensure that the propane tank and regulator are rated for use at high altitude, as they may have different pressure requirements. Finally, it's recommended to have a professional installer who is knowledgeable about high altitude installations to ensure that the heater is properly installed and vented for safe and efficient operation.

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