Practical experience with on-demand recirc pump

My new house has a dedicated return recirc line.  I requested them not to oversize lines but have no idea to what degree they implemented that.  I like the idea… My new house has a dedicated return recirc line.  I requested them not to oversize lines but have no idea to what degree they implemented that.  I like the idea…Read MoreGreenBuildingAdvisor