How Often Does a Business Need HVAC or Air Duct Cleaning?

+ How often does a business need HVAC or air duct cleaning services?

The National Air Duct Cleaners Association or NADCA recommends having your air duct or HVAC system inspected annually. However, if your property has suffered damages due to fire or water, Cotton GDS recommends getting your air ducts and HVAC system inspected immediately after the event to prevent further damage.