What You Need to Know About Getting Your Air Ducts Cleaned

Before you decide if you should get your air ducts cleaned, you need to know a little about how they work and why they collect dirt. Most homes are heated using a furnace and a duct system that distributes hot air into different rooms. This system is made up of both "return" ducting that bring cold air into your furnace and "supply" ducting that distributes warm air throughout your home.