Tankless water heaters don’t have a water storage tank and provide ... The two types of venting systems are direct and power. Direct vent heaters use an exhaust pipe or chimney to exhaust gas directly ...

Direct vent water heaters bring combustion air from ... they can reach $2,500 when switching from a tank-style water heater to a tankless unit. How long does it take to install a 40-gallon hot ...