air duct

When hydrogen had built up in the unit 3 building, it had backed up into unit 4, too, and been sparked into an explosion in the air ducts on the building’s fourth floor.

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.