Updated November 1, 2026 · Reviewed for accuracy by a licensed Uniform HVAC technician before publication
Signs of duct problems
- Hot or stuffy rooms
- Weak airflow from some vents
- Dust that returns quickly after cleaning
- Musty smell when the system starts
- High bills with a system that otherwise works
What a duct inspection covers
- Visual inspection of accessible ducts, connections and supports
- Insulation condition
- Static pressure and airflow measurements
- Return air sizing and closed-door rooms
- Photos where accessible
Fixes
| Fix | What it does |
|---|---|
| Reconnect and support | Restores disconnected or sagging runs. |
| Seal | Mastic or approved tape at joints and connections. |
| Insulate | Reduces heat gain in the attic. |
| Replace sections | Crushed, torn or deteriorated flex duct. |
| Add returns | Improves airflow to closed-door rooms. |
We measure before and after, so you can see the change in the numbers, not just a promise.