We recently replaced a 13-year-old dryer: it took 2 1/2 hours to dry a regular load of clothes.  The only problem was, the newly acquired dryer took just as long.  The manufacturer sent out a technician to investigate, and he solved the matter in minutes.  After a few questions, he confirmed there was heat in the dryer, and then went outside to check the venting.  “Your dryer’s fine.  It’s your vent that’s…