How long has it been since you had your HVAC and air ducts cleaned? If you aren't sure, it might be time to schedule a cleaning with a professional. When your ducts are dirty, your HVAC can continue circulating dust and debris all over your home — no matter how much you clean. Having your HVAC and air ducts thoroughly, professionally and regularly cleaned is one of the most effective ways to improve your indoor air quality and mitigate allergies. Call the PROS at COIT today.