John Bently

DUCT DOCTOR, LTD
(NEW RICHLAND, Minnesota) 30+ YEARS CERTIFIED

John Bently owns and operates Duct Doctor, LTD, a service company in Minnesota.  His services include air duct and chimney cleaning, dryer vent cleaning, attic insulation removal, dust down, filtration replacement, etc.  John currently serves as one of CSIA’s CDET instructors.