The answer to 'what does air duct cleaning include' is a comprehensive service that removes dirt, dust, and other contaminants from your home's HVAC ductwork. This typically involves using specialized equipment to loosen and vacuum up accumulated debris from the inside of the ducts, registers, and vents throughout your home.
Air duct cleaning can help improve indoor air quality, reduce allergens, and increase the efficiency of your HVAC system. It's recommended to have your air ducts professionally cleaned every 3-5 years, or more frequently if you have pets, smoke indoors, or have recently completed a home renovation project.