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best tankless propane water heater
The best propane tankless water heater can be used in off-grid or remote locations where electricity is not available. Propane tankless water heaters are fueled by liquid propane (LP) gas, which can be stored in a tank and is widely available even in rural areas. This makes propane tankless water heaters a good option for homes or businesses that are not connected to the electric grid.
Propane tankless water heaters can be more energy efficient than electric tankless water heaters, especially in colder climates. Propane gas has a higher energy content than electricity, so it can heat water more quickly and efficiently. This can result in lower energy bills and a smaller carbon footprint for propane tankless water heaters.
our top 7 picks of 2023
1.MAREY 4.2 GPM | best propane tankless water heater
The MAREY 4.2 GPM Outdoor Propane Gas Tankless Water Heater is a whole house solution for those looking for an efficient and reliable way to heat their water. With a maximum output of 100,000 BTUs, this best propane tankless water heater
provides endless hot water for multiple simultaneous points of use.
The digital display makes it easy to adjust the water temperature and gas flow to your desired output, and the compact design saves space and is easy to install. Plus, no electricity is required – the unit is powered by 2 D cell batteries, making it perfect for off the grid areas or any location where electricity is not available.
PRODUCT SPECIFICATIONS:
Brand: MAREY
Capacity: 16 Liters
Power: Battery Powered
Dimensions: 8.2 x 16.5 x 27.9 inches
Weight: 29 Pounds
pros
- Whole house solution
- Digital display
- Compact and easy to install
- No electricity required
cons
- Not recommended for elevations above 2000 ft.
2.MAREY GA24CSALP | best propane tankless water heater
The MAREY GA24CSALP tankless water heater is a high efficiency, residential appliance that provides hot water to multiple points of use within a home. It is CSA certified and features a LED touch screen, computerized safety system, and an oxygen-free copper heat exchanger. This best propane tankless water heater also has stainless steel venting exhaust, anti-freeze protection, and is UL listed and DOE certified.
PRODUCT SPECIFICATIONS:
Capacity: 24 liters
Dimensions: 7.3 x 17.1 x 26.2 inches
Material: stainless steel
Weight: 40.8 pounds
Flow rate: 8.34 GPM max
pros
- High efficiency
- Multiple points of use
- Safety system
- Anti-freeze protection
cons
- Limited warranty
3.Rheem Mid-Efficiency 7.0GPM Indoor | best propane tankless water heater
The Rheem Mid-Efficiency 7.0GPM Indoor Liquid Propane Tankless Water Heater is a cost-saving and energy-efficient solution for continuous hot water. It has a low flow activation rate and ultra low NOx burner for safety and low emissions, as well as a Guardian Overheat Film Wrap to prevent dangerous temperatures.
In addition to being energy efficient, this best propane tankless water heater
also promotes better air quality and saves space with its compact design. It is covered by a 12 year heat exchanger warranty, a 5 year parts warranty, and a 1 year labor warranty, but professional installation is required for the warranty to be valid.
PRODUCT SPECIFICATIONS:
Dimensions: 9.88 x 13.88 x 25.63 inches
Material: Stainless Steel
Weight: 62 Pounds
Flow rate: 7 GPM
pros
- Water-saving setting
- Compact design
- Provides continuous hot water
cons
- Expensive upfront
Rinnai V75iP Non-Condensing Propane Tankless Water Heater, Up to 7.5 GPM
The Rinnai V75iP is a non-condensing, tankless water heater that offers a reliable and efficient way to provide hot water for your home. It can be used for indoor installation in residential properties and is capable of producing up to 7.5 gallons of hot water per minute (GPM). This compact unit is powered by propane and has an energy factor of 0.82, making it relatively energy efficient.
This best propane tankless water heater also has safety features such as leak detection and enhanced scale detection to prevent damage to the unit. The V75iP is backed by a 15-year warranty for the heat exchanger, a 5-year warranty for other parts and components, and a 1-year warranty for reasonable labor. If you’re in need of a reliable and efficient water heating solution, the Rinnai V75iP may be worth considering.
PRODUCT SPECIFICATIONS:
Uniform Energy Factor (UEF): 0.81
Dimensions: 17.32 x 30.51 x 12.8 inches
Weight: 45.6 pounds
pros
- Provide up to 7.5 GPM of hot water
- Energy efficient
- Compact size
- Leak detection
cons
- Requires a constant supply of natural gas or propane to operate
5.Rheem Prestige Condensing Tankless Indoor | best propane tankless water heater
8.4 GPM
With a capacity of 100 gallons and a flow rate of 8.4 GPM, the Rheem Prestige Condensing Tankless Indoor Liquid Propane Water Heater is designed to provide continuous hot water for up to 3 bathrooms. Its compact size and space-saving design make it the perfect choice for replacing an old tank water heater, while its high energy efficiency and water savings setting help to lower your operating costs.
This best propane tankless water heater also includes a range of safety and convenience features, such as water and gas leak detection, a self-diagnostic system, and an EcoNet enabled mobile app for remote control and monitoring (additional kit required). Plus, with a 12 year heat exchanger warranty, 5 year parts warranty, and 1 year labor warranty, you can have peace of mind with your investment.
PRODUCT SPECIFICATIONS:
Dimensions: 27.5 x 9.75 x 28.5 inches
Material: Stainless Steel
Weight: 77 Pounds
pros
- Continuous hot water
- Compact
- High energy efficiency
- Water savings setting
- Various safety features
- Long warranty
cons
- Liquid propane fuel source may not be available or cost-effective in all areas
6.Rheem Prestige Condensing Tankless Indoor Liquid Propane Water Heater, 11.0 GPM
With a capacity of 11 gallons and a power source of natural gas, this water heater is designed to provide continuous hot water without the wait or waste. The Rheem Prestige water heater has high energy efficiency and water savings setting, which can help reduce operating costs. The compact, space-saving design is perfect for replacing an old tank, and the built-in recirculation pump with auto-learning programming ensures that hot water is only provided when needed.
This best propane tankless water heater has a number of protective features. The unit is equipped with flame sensor, overheat cut off switch, gas and water leak detectors, and exhaust and water temperature sensors. If any issues are detected, the water heater will shut down and provide an error code. The Rheem Prestige water heater requires professional installation and comes with a 12-year heat exchanger warranty, a 5-year parts warranty, and a 1-year labor warranty.
PRODUCT SPECIFICATIONS:
Dimensions: 14.8 x 17.3 x 28.7 inches
Color: Gray
Material: Stainless Steel
Weight: 40 Pounds
Flow rate: upto 11 GPM
pros
- High energy efficiency and water savings setting
- Compact
- Built-in recirculation pump
- Multiple safety features
cons
- Limited to indoor use
7.Rheem Tankless Indoor Liquid Propane Water Heater, 9.5 GPM
With a capacity of 100 gallons and a variety of energy-saving features, this tankless water heater is sure to meet your hot water needs. Some of the standout benefits of this product include its ability to adjust energy consumption, its easy and convenient temperature control, and its high-altitude capability up to 8,400 feet.
This water heater comes with a digital remote control and a number of smart home features when connected to the EcoNet mobile app. The Rheem Tankless Indoor Liquid Propane Water Heater also has a variety of safety features, including a Guardian OFW overheat film wrap. And a 12-year heat exchanger warranty for residential use and a 5-year heat exchanger warranty for commercial use.
PRODUCT SPECIFICATIONS:
Dimensions: 9.88 x 13.88 x 25.63 inches
Material: Stainless Steel
Weight: 62 pounds
Flow rate: up to 9.5 GPM
pros
- Continuous hot water
- Energy efficient and cost-saving
- Adjusts energy consumption
cons
- For indoor use only
- Requires 120V power supply
Factors to consider When purchasing the Best Tankless Water Heater
Size:
Tankless water heaters come in a range of sizes, and it’s important to choose one that is appropriately sized for your household. A unit that is too small will not be able to keep up with demand, while a unit that is too large will be less efficient and more expensive to operate.
Fuel type:
Tankless water heaters can be powered by electricity, natural gas, or propane. Each fuel type has its own pros and cons, so you should consider which one is most suitable for your home and budget.
Natural gas: Tankless water heaters that use natural gas are generally the most cost-effective option, as natural gas is typically less expensive than electricity. They are also relatively efficient, with some models having energy efficiency ratings as high as 98%.
Propane: Tankless water heaters that run on propane are a good choice for areas where natural gas is not available. They are generally more expensive to operate than natural gas models, but still more cost-effective than electric tankless water heaters.
Electric: Tankless water heaters that use electricity are the most expensive to operate, but they have the advantage of being able to be used in any location since they do not require a gas line. They are also relatively efficient, with some models having energy efficiency ratings of up to 99%.
Efficiency:
Look for a tankless water heater that has a high energy factor (EF) rating, as this will indicate how efficiently the unit converts fuel into heat.
Warranty: Make sure to choose a tankless water heater that comes with a good warranty, as this will provide you with protection in case anything goes wrong with the unit.
Price:
Tankless water heaters can vary significantly in price, so it’s important to set a budget and look for a unit that fits within it.
Flow rate:
The flow rate of a water heater refers to the amount of water that the heater can heat and deliver to a plumbing fixture, such as a showerhead or faucet, in a given amount of time. It is usually measured in gallons per minute (GPM).
For example, if a water heater has a flow rate of 4 GPM and you are using a showerhead that has a flow rate of 2.5 GPM, the water heater will be able to fully heat the water for the shower. However, if you were using a showerhead with a flow rate of 5 GPM, the water heater would not be able to fully heat all the water, and you would experience a decrease in the temperature of the water as you shower.
The flow rate of a water heater can be affected by a variety of factors, such as the size of the heater, the type of fuel it uses, and the efficiency of the heating element. In general, larger water heaters and those with more efficient heating elements will have higher flow rates.
