HRV in attic options

When I bought my house 3 yrs ago the existing air exchanger was in the attic. It was not functional, and the ductwork was a mess. I removed the ductwork… When I bought my house 3 yrs ago the existing air exchanger was in the attic. It was not functional, and the ductwork was a mess. I removed the ductwork…Read MoreGreenBuildingAdvisor