Duct cleaning is typically recommended every 3 to 5 years, but certain signs indicate it may be needed sooner. Visible mold or mildew, excessive dust buildup, worsening allergies, recent renovations, pest infestations, unpleasant odors, or reduced HVAC efficiency can all signal that your ductwork is circulating contaminants. At Radiant Plumbing & Air Conditioning, our professional duct cleaning services help remove dust, debris, and allergens, improving your home’s air quality and HVAC performance.