Condensing Tankless Water Heater
Condensing Tankless Water Heater . High efficiency tankless water heaters. First, the cold water passes through the exhaust system. Noncondensing tankless water heaters For Residential Pros from www.forresidentialpros.com The burner pulls in fresh air just like an actual furnace, which produces flue gas that must be routed. Condensing units do need to drain out acidic condensate, so they will require a condensate drain and. On the other hand, a condensing tankless water heater gives you an energy factor of 0.90 or above 90% energy efficiency.