
Ductwork and airflow
Conditioned air must reach the room.
Weak vents and uneven temperatures can involve return air, supply ducts, restrictions, leakage, insulation or balancing.
The air-delivery path
Air leaves the room, passes through the system and returns conditioned.
Return airHVAC systemSupply ductsRoomsPossible leakageBalancingRestriction
What changes airflow
Look at the pathway, not just the vent.
- 01Return pathways
- 02Filter and blower
- 03Duct condition
- 04Insulation and leakage
- 05Room delivery
Common signs
Airflow problems often show up room by room.
Note which spaces feel different, when the problem is strongest and whether vent airflow changes while the system runs.
- Weak ventLittle air reaches the room
- Temperature differenceOne area runs hotter or colder
- Visible damageDucts appear loose or crushed
- NoiseWhistling, rattling or air movement
Uneven home?