Vent & Duct Maintenance
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Questions:
 1) What is the first step in cleaning your ducts?
  1. Changing your filters
  2. Turning off your HVAC system
  3. Removing the grill cover
 2) What is the most important thing to be careful of when cleaning your vents and ducts?
  1. Do not puncture or damage the duct
  2. Be sure it is not too hot or cold outside
  3. You must be a trained HVAC technician
 3) How often should you clean your vents & ducts?
  1. Once per year
  2. As often as necessary, depending on your environment