Best Tankless Gas Water Heater Reviews

If you enjoy a long, hot shower, you have your water heater to thank. When it’s working properly, you don’t even think about it, but when the water heater is on the fritz, finding a new one can be a hassle. One option is a tankless gas water heater. They are called tankless because they don’t store a tank full of hot water. Instead, they give you hot water as you need it, so you’ll never run out if someone happens to take a really long shower.

However, finding a new water heater can be a stressful and expensive endeavor, which is why we’ve put together a few tankless gas water heater reviews to help you in the buying process, so see what our gas tankless water heater reviews have to say before committing to a water heater.

Takagi Indoor Tankless Natural Gas Water Heater

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

If you don’t know where to begin in your water heater search, you might want to start with the Takagi Indoor Tankless Natural Gas Water Heater. This water heater uses 140,000 BTUs with a 6.6 gallon-per-minute maximum flow rate. It also features inlet and outlet thermistors to allow you to constantly monitor the temperature and an energy factor of 0.81 to 0.83.

It uses natural gas and is designed for indoor installations. In addition, it’s Energy Star rated, certified to be frustration free, and includes a 10-year heat exchanger and a 5-year parts warranty in residential applications, making it one of the best tankless gas water heaters for small homes and apartments.

Rheem Outdoor Tankless Natural Gas Water Heater

Rheem RTG-64XLN 6.4 GPM Low NOx Outdoor Tankless Natural Gas Water heater

If you’re looking for an outdoor water heater, the Rheem Outdoor Tankless Natural Gas Water Heater is a great option. It features an energy-efficient, space-saving design to bring you a constant flow of hot water. It has a 6.4-gallon-per-minute flow rate with a 35-degree Fahrenheit rise.

This system also includes a remote control, 10 feet of thermostat wire, and overheat film wrap to protect the all-copper heat exchanger. It features environmentally friendly, low-NOx, next-generation burner technology. This system can also be used in high-altitude applications up to 9,840 feet above sea level, making it one of the best from Rheem!

Rinnai Ultra Series Natural Gas Tankless Water Heater

Rinnai RUC98iN Ultra Series Natural Gas Tankless Water Heater

This water heater is one of the best tankless gas water heaters on the market. Like the other two products, it also delivers hot water whenever you need it. It features 95 percent thermal efficiency and can be used with natural gas or propane, allowing you to choose whichever option is more cost efficient in your area.

This indoor water heater also has a space-saving design, which allows you to install it just about anywhere and offers concentric or PVC venting options. It has up to a 0.96 energy factor with ultra-low NOx emissions, making it a great option for any home.

A water heater is an essential part of any home, but finding one to fit your lifestyle can be challenging. That’s why we’ve put together this list of tankless gas water heater reviews. Unlike water heaters with a tank, tankless gas water heaters give you unlimited hot water whenever you need it.

The first product is one of the most convenient options for small homes and apartments because it installs inside the home and is certified to be frustration free. The second option is best for homes with high altitudes as it can be installed a little over 1,900 feet above sea level. Finally, the third product is one of the more efficient water heaters with low NOx emissions and a high energy factor.