The most common cause of dryer fires is failure to do a thorough cleaning. Because a lint trap is not a foolproof method for catching all the fuzzy stuff from clothes, lint can gradually build up and catch fire in the heating element or exhaust duct.It’s a simple idea: Take care of your carpet and it will take care of you. Not only does it look great and offer health and safety benefits, properly maintained carpet offers a host of savings opportunities. Research proves that over time, no other flooring option offers you as much chance to clean up.Most certified air duct cleaners and other experts agree on some general recommendations for how often to have air ducts cleaned. You should schedule an air duct cleaning appointment: Every three to five years. Be wary of a contractor who suggests more frequent cleanings.A 'jiffy' is an actual unit of time for 1/100th of a second.