A hot water heater is an essential home appliance that lasts an average of 8 to 12 ... The two types of venting systems are direct and power. Direct vent heaters use an exhaust pipe or chimney to ...

Direct vent water heaters bring combustion air ... 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 ...