Propane Tankless Water Heater Reviews

Water heaters are essential to our everyday life whether we think about it not. We rely on them to provide us with hot water for bathing, cooking, and cleaning. One way to heat the water in your home is with a propane-fueled water heater, but with so many propane water heater reviews floating around, finding the best one for you can be a challenge.

Take a look at some of the best propane tankless water heater reviews that we found, which are designed to help you make a well-informed buying decision the next time you need to purchase a propane water heater.

Takagi Indoor Tankless Propane Water Heater

Takagi T-KJr2-IN-NG Indoor Tankless Water Heater

If you’re searching for an energy-efficient propane water heater, the Takagi Indoor Tankless Propane Water Heater is a great place to start. It’s designed to be installed indoors and uses 140,000 BTUs for a maximum flow rate of 6.6 gallons per minute.

It also has a great energy factor of 0.81 to 0.83, which has earned this water heater its Energy Star certification. The inlet and outlet thermistors allow you to constantly monitor the temperature, and the unit includes a 10-year warranty for the heat exchanger and a 5-year warranty for the parts in residential applications.

It’s truly one of the best propane water heaters designed for small homes and apartments.

Rheem Low NOx Outdoor Tankless Propane Water Heater

Rheem RTG-64XLP 6.4 GPM Low NOx Outdoor Tankless Propane Water Heater

If you’re looking for an outdoor propane water heater, the Rheem Low NOx Outdoor Tankless Propane Water Heater is one of the best choices available. This water heater is designed to have a flow rate of 6.4 gallons per minute at a 35-degree Fahrenheit temperature rise and 5.3 gallons per minute at a 45-degree temperature rise.

The unit includes 10 feet of thermostat wire and a remote control, and it features next-generation burner technology that releases low NOx emissions. One of its best features, however, is its space-saving design. This compact water heater can be installed just about anywhere, making it one of the best propane water heaters on the market.

Eccotemp Portable Tankless Propane Water Heater with a Built-In Shower

Eccotemp L5 Portable Tankless Water Heater and Outdoor Shower

This isn’t your average water heater that you’d want to use as a permanent solution, but it can be a great asset to have when you’re camping or on a road trip with limited access to hot water.

This tiny water heater has a flow rate of 1.4 gallons per minute, requires only 20 to 80 PSI of water pressure, and is powered by a D cell-battery ignition and liquid propane. It’s lightweight and compact so that it won’t take up too much valuable space when you’re traveling, and it features easy setup and operation.

The included shower head features multiple spray settings, and the unit shuts off automatically after 20 minutes, making this one of the most convenient, portable propane water heaters available.


Finding a propane water heater can be an overwhelming task if you don’t know where to start, but fortunately, our propane tankless water heater reviews have narrowed down some of the best water heaters available for you to purchase.

All of our featured propane hot water heater reviews feature a tankless design for a constant flow of water. The first product is great if you’re looking for an indoor energy-efficient propane water heater.

The second water heater offers great energy efficiency as well as a compact design. Finally, the last product is portable, allowing you to take hot water with you wherever you need it.