Replacing Polaris open radiant system

Our 1900 sq/ft. home located in N.J. has a open single zone radiant floor system with oxygen barrier pex in the 1st floor (950 sq/ft. slab).The 30 yr. old propane… Our 1900 sq/ft. home located in N.J. has a open single zone radiant floor system with oxygen barrier pex in the 1st floor (950 sq/ft. slab).The 30 yr. old propane…Read MoreGreenBuildingAdvisor