Turning on the hot water faucet activates the tankless water heater ... There are two types of venting: direct or power. Direct-vent heaters are less expensive and use an exhaust pipe or chimney.

Power vent water heaters use a fan or blower to ... How long does it take to install a 40-gallon hot water heater? The installation of a 40-gallon hot water heater typically takes two to three ...

A hot water heater is an essential home appliance that lasts ... Direct vent heaters use an exhaust pipe or chimney to exhaust gas directly outside your home. Power vent heaters use a fan or blower.