With its flow rate of 7.5 GPM, it might be easy to underestimate this Rinnai indoor propane tankless water heater. Yet it offers a money-saving alternative to high output systems and, with up to ...

Rinnai tankless water heaters perform excellently and ... the water temperature if you use Takagi tankless water heater for your indoor hot water needs, as it has inlet and outlet thermostats.

A water heater ... with gas-powered tankless heaters being a bit more expensive upfront and electric units drawing in bigger utility bills. Airthereal sells electric units from $140 to $340 based on ...