Archive for the ‘Duct Cleaning’ Category

What are the signs that you might need a dryer vent cleaning?

  • Clothes take too much time to dry or requires more than one cycle to dry.
  • When you clean out the lint trap there is no lint in it. (After every load there should be some lint.)
  • The dryer overheat sensor comes on. (Some of  the newer models of dryers have a sensor to let you know if you need to check the dryer vent for blockage.)
  • Clothes are very hot after the dryer cycle ends, which is a warning that the dryer is working extra hard, and may not be venting air properly.
  • The top of the dryer is hotter than normal when in use. (Most dryers should be warm or cool to the touch.)

Dry Vent Maintance

The U.S. Consumer Product Safety Commission estimates that in 1998, clothes dryers were associated with 15,600 fires, which resulted in 20 deaths and 370 injuries. Fires can occur when lint builds up in the dryer or in the exhaust duct. Lint can block the flow of air, cause excessive heat build-up, and result in a fire in some dryers.

To help prevent fires:

  •  Clean the lint screen/filter before or after drying each load of clothes.

If clothing is still damp at the end of a typical drying cycle or drying requires longer times than normal, this may be a sign that the lint screen or the exhaust duct is blocked.

  • Replace plastic or foil, accordion-type ducting material with rigid or corrugated semi-rigid metal duct.

Most manufacturers specify the use of a rigid or corrugated semi-rigid metal duct, which provides maximum airflow. The flexible plastic or foil type duct can more easily trap lint and is more susceptible to kinks or crushing, which can greatly reduce the airflow.

  • Take special care when drying clothes that have been soiled with volatile chemicals.

An example of such things is gasoline, cooking oils, cleaning agents, and finishing oils.  If possible, wash the clothing more than once to minimize the amount of volatile chemicals on the clothes and, preferably, hang the clothes to dry. If using a dryer, use the lowest heat setting and a drying cycle that has a cool-down period at the end of the cycle. To prevent clothes from igniting after drying, do not leave the dried clothes in the dryer or piled in a laundry basket.

  • Clean the dryer vent and exhaust duct periodically.

Check the outside dryer vent while the dryer is operating to make sure exhaust air is escaping. If it is not, the vent or the exhaust duct may be blocked. To remove a blockage in the exhaust path, it may be necessary to disconnect the exhaust duct from the dryer. Remember to reconnect the ducting to the dryer and outside vent before using the dryer again.

  • Clean behind the dryer, where lint can build up.

Have a qualified service person clean the interior of the dryer chassis periodically to minimize the amount of lint accumulation. Keep the area around the dryer clean and free of clutter.

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