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Dryer Vent Cleaning and Insulating your Dryer Vent for Energy Conservation - Arlington, VA
Your dryer vent is very important for releasing heat, moisture, lint and gas byproducts (if you have a gas dryer) from your home.  Keeping the dryer ducts and vent system clean ensures your dryer is operating efficiently; a clogged vent causes the dryer to work much harder, increasing energy usage.  So, a well maintained dryer vent system is important for energy consumption as well as fire safety, but what about the cold air it lets in during the cooler winter months?  Or the hot air during the hot summer months? 
 
There is a product on the market called a Dryer Vent Draft Blocker; it is inexpensive and it attaches easily to most dryer vent pipes.  When the dryer is not running, the flapper closes; when the dryer is running, it opens.  This product will make a big difference in the amount of cold (or hot) outside air that gets in through most traditional dryer vents.  The draft blocker must be cleaned periodically to remove lint that builds up and to be sure it is not frozen shut.
 
Another thing to look for is gaps around the dryer duct where it leads outside.  You can buy a can of compressed ... more

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