I purchased a home that has a Mitsubishi air unit. Show more How often should you get your air ducts cleaned? You need your HVAC system to have a long life of providing exceptional comfort. The air conditioning system has a circular duct system that distributes the conditioned air from the air handler in to the occupied space of the supply ducts and that also takes the air from the occupied space and returns it to the cooling system’s air handler. Great Service Bryan - Carrollton, TX 85 days ago Review of Colony Air Conditioning & Heating Emlio is always very friendly and informative. Top cities for heating and cooling system services See more