air duct

An air duct cleaning addresses all aspects of your system that air crosses over and can improve air quality and efficiency.

He recounted how lightning struck a pond near their Wilmington home, struck a wire and entered their residence through air ducts.

Some of these pollutants settle onto surfaces, while others penetrate fabrics, stick to walls and enter air ducts.

Jones told WLBT-TV that Lewis and Spring escaped the jail through an air duct that they entered in the ceiling of a recreation room.

Every room in a house, except for kitchens and bathrooms, should have a return air duct as well as one or more supply ducts.