About Rocky Mountain Air Duct Cleaning Rocky Mountain Air Duct Cleaning is a full service air duct cleaning company, from furnace to the furthest heat run we clean the entire system using the most powerful and efficient cleaning system. Not only can our services increase the efficiency of your home, but we'll also remove dust, dirt, mold, pollen, and other air-born allergens. We will ensure your air quality is the very best in your home or business.