Underneath-Slab Insulation: This method will involve inserting insulation materials beneath the concrete slab. Rigid foam insulation boards or spray foam insulation are generally useful for under-slab insulation. In the summer, interesting air inside of uninsulated ducts might be warmed via the bordering setting, although in Wintertime, heat air in ductwork https://landengmmiz.mpeblog.com/59054109/getting-my-floor-insulation-to-work