Condensing verses Non-Condensing Tankless

Posted on Mar 27, 2009 | 1 comment

Condensing verses Non-Condensing Tankless water heaters come in two different efficiency ratings, condensing and non condensing (or min-efficiency and high-efficiency). A condensing unit will recover more than 85% of waisted heat that would normally be vented as exhaust.  This is accomplished through the use on an additional heat exchanger where incoming water is pre-warmed with the exhaust heat.  Condensing Tankless Navien or...