How often should my dryer and vent system be cleaned?

Most manufacturers recommend annual inspections for your dryer and vent system. The factors listed below contribute to a more rapid lint build-up and should be considered when determining the maintenance plan for our dryer.The variables contributing to lint build up include:

  1. Number of loads dried each week
  2. Total length of the venting system
  3. Type of transition hose that connects the dryer to the wall
  4. Number of bends in the dryer vent system
  5. Pets that contribute to more lint/hair build up
  6. Seams that are screwed together rather than taped
  7. Type of laundry detergent used during the wash/dry process