Ducts: All Answers

Duct replacement, extension, insulation and the leakage and airflow tests. Pick the question closest to yours.

1. When Is Duct Leakage Testing Required?
2. Title 24 Duct Insulation Requirements
3. Flexible Duct Installation Rules Under Title 24
4. Second-Story Addition: Ducts, Stairwell and Solar Under Title 24
5. Can You Use Duct Tape on HVAC Ducts? What Title 24 Allows
6. Duct Replacement 25-Foot Rule Under Title 24
7. Burying Attic Ducts Under Blown-In Insulation: What Title 24 Says
8. Insulating Existing Ducts in the Attic: Required or Optional?
9. Extending Existing Ducts to an Addition: Title 24 Rules
10. Airflow Verification: When Is It Required Under Title 24?
11. Duct Leakage Testing: When Is It Required Under Title 24?
12. Ducts in Soffits and Conditioned Space: Do They Need Insulation?
13. Do I Have to Replace My Old Ducts When I Replace My AC or Furnace?

Back to HVAC and Water Heating, or see the full Title 24 guide.