How Can I Seal a Leaking Air Duct to Improve HVAC Efficiency?

You can improve HVAC efficiency by sealing leaking ducts and repairing damaged runs. We diagnose airflow and pressure issues, then present personalized sealing or repair options. Get a $79 Air Duct Sealing Service Estimate with a comprehensive report and same-day service. We also offer a Free Air Duct Repair Diagnostic and a Free Replacement Estimate. For new duct systems we install, our Lifetime Leak Guarantee limits leaks to less than 6%. We insulate ducts in uncooled areas to reduce condensation and energy loss across Las Vegas and Henderson.

Quick checks:

• Look for visible gaps, crushed runs, or disconnected joints.
• Note rooms with weak airflow or hot/cold spots.
• Avoid blocking supply and return vents.

Updated: 2025-12-24

Need help in Las Vegas, NV? Call (702) 710-9106 or book online.