Over time, ductwork for an HVAC system builds up with dust, allergens and debris. Once the debris gets into that ductwork, it travels through the vents to all the rooms in a home or a commercial building.
Over time, ductwork for an HVAC system builds up with dust, allergens and debris. Once the debris gets into that ductwork, it travels through the vents to all the rooms in a home or a commercial building.