If anyone in the house has allergies or asthma, you should consider having it done annually, but of course, this depends on a wide variety of factors. It can include pets, renovations, your local weather conditions, and overall home cleanliness.
A professionally cleaned system can offer long-term energy savings, which means money back in your pocket! By removing the dust and debris, you will notice big energy consumption savings. A certified air duct cleaning company will use tools to dislodge debris and then vacuum it away with a high-powered vacuum cleaner. Proper cleaning will address every component that air passes over, including the coils inside the system. Schedule an appointment with Dr. Ducts today!

I can certify to this. If the coils cant breathe the unit works harder to push air. Thus the unit is not as efficient as it used to be.
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