How to Tell if Your Ducts Need to be Cleaned Posted February 9, 2017 According to the National Air Duct Cleaners Association, air ducts should be cleaned at least once every three to five years on average. Your home’s location, your pets and the length of time you’ve had your air filters—along with many other factors—can influence the amount of time between cleanings. How can you know if it’s time to have your ducts cleaned? We’ve got some signals that you should keep an eye on.Look for these clues: 1. When your vents are completely opened, do any have less adequate airflow than others?2. Can you hear a sound other than your blower motor when you focus on the airflow? 3. Is there blockage inside your cold air return vent?4. When you glimpse inside with a flashlight, do you see a buildup of debris or fuzz from your pet’s hair?5. Have bugs or rodents created a home in your ductwork?6. Are your cold air returns coated with dust or pet hair?7. Are your registers driving out dust?If you replied “yes” to any of these questions, it might be time to contact Kohles & Bach Heating & Cooling in Des Moines about air duct cleaning.Prolonging Time Between Air Duct CleaningWhile professional cleanings are important, there are things you can do to protect your ducts and extend the time between professional visits. Most importantly, schedule regular HVAC maintenance with the pros at Kohles & Bach Heating & Cooling. A yearly checkup of your furnace in the fall and air conditioning unit in the spring will keep your HVAC system working at peak performance. Inspecting your system often and replacing the air filter when needed will also help keep your ducts clear.The pros at Kohles & Bach Heating & Cooling can also help you learn about air purification systems. We offer the Lennox PureAir Air Purification System, Healthy Climate Carbon Clean 16 Media Air Cleaner, Healthy Climate 11 Media Air Cleaner, Healthy Climate High-Efficiency Particulate Air (HEPA) Filtration System and Healthy Climate UV Germicidal Lights. Installing one of these systems can also help keep your ducts clear.Other ways you can help maintain your ducts:• Seal air duct leaks that let debris in from places such as your attic.• Check your air filters often and change them when needed. • Regularly dust and vacuum your home.• Replace air duct insulation if it is in poor or moist condition. Keeping your ducts open will help you make sure the air in your Des Moines home is clean. Be sure to use these preventative measures and schedule a professional duct cleaning when needed. Call the experts at Kohles & Bach Heating & Cooling at 515-207-6569 or schedule an appointment online.