Thanks to all of these features, the Rinnai REP160iN is our pick for the best indoor natural gas tankless water heater. The Rinnai V53DeP Propane Tankless Hot Water Heater can serve up to four ...

A. O. Smith's Adapt with X3 Scale Prevention Technology water heater is the world's first tankless water heater with ...

Typically, a plumbing company will be able to remove an old tank-style water heater and install a new tankless model, but the complexity of the installation can be affected by the current gas or ...

Tankless water heater with built-in scale prevention recognized for efficiency, innovative features and zero lifetime ...

A. O. Smith, a leader in water heating and water treatment, will use its second quarter of A. O. Smith University classes to ...