Bottom Line: With the top GPM, impressive BTUs, and Smart Sense technology, this versatile, energy-efficient model can do it all and save you money in the long run. Pros: The Versa Vent and Smart ...

PEACHTREE CITY, Ga. — Rinnai has introduced a tankless water heater that allows for concentric or twin-pipe PVC venting from the same unit. The new Ultra Series condensing tankless water heater models ...