air duct

Most attributed the improvement in smell to the passage of time, cleaning surfaces and air ducts, replacing furnace filters, and removing carpet, textiles and furniture from the home.

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.