HVAC Duct Sealing Best Practices for Title 24 Compliance
Proper HVAC duct sealing reduces conditioned-air loss, improves comfort and helps an installation satisfy California Title 24 requirements. The photographs below show recommended sealing practices for supply and return registers, plenums, duct connections and HVAC equipment. All joints, seams and penetrations should be sealed with approved materials and remain accessible for inspection and HERS verification where required.
