Condensing units lower the exhaust gas temperature ... adds to the cost of a condensing tankless water heater. Non-condensing units need proper venting to handle higher temperatures.
and potentially leaky water heater tank to enjoy hot water on demand. Tankless water heaters are an increasingly popular alternative to traditional storage tank water heaters, as they provide hot ...
Direct vent water heaters bring combustion air from outside and exhaust gasses directly outside ... switching from a tank-style water heater to a tankless unit. How long does it take to install ...