is the channel that carries cooled air from the air conditioning unit through your home, and can also remove warm or stale air.

it is made in different shapes like rounded or rectangular and insulated. They are normally made of GI sheets,fiber glass lined.
TYPE OF DUCTS
- SUPPLY AIR DUCT
- RETURN AIR DUCT
- FRESH AIR DUCT
- EXHAUST AIR DUCT
