Duct Sealing for Volunteers. Need to pass a duct-tightness test? Wondering if it can be done with volunteers? And your HVAC contractor says that’s okay? If you answered “Yes” to all three, check out the link. Consult your HVAC tech first for their in-house cost for duct sealing.
Dense-Pack Cellulose. How this insulation method looks in a Habitat home.