Cleaning your ducts before regularly will give you better AC efficiency, help with Spring and Summer Allergies by removing dust, dirt, and debris. Improve your Indoor Air Quality. TEPS offers free estimates for cleaning, repairs, and preventative maintenance. Air Duct cleaning is recommended to be done every 2-5 years depending on the age of your home. We put our customers first with up front pricing so you will never have to guess, impeccable service, bonded and licensed technicians. Call us at 1-888-900-8377.