IF YOU NOTICE ANY OF THESE WARNING SIGNS CALL US IMMEDIATELY FOR DRYER VENT CLEANING SERVICE. IF IGNORED FURTHER DAMAGE CAN OCCUR TO YOUR DRYER RESULTING IN COSTLY REPAIRS. [if !supportLists]· Is your dryer taking over 40 minutes? [if !supportLists]· [endif]Does your dryer turn off before your clothes are dry? [if !supportLists]· [endif]Do you have a dusty laundry area? [if !supportLists]· [endif]Does the flapper vent not open when dryer is on