Michael Chan in Markham 2 reviews Markham, ON Joined 2011/04/05 First Review 10/10 duct cleaning Duct Cleaning review in Markham Almost 10 years ago Quick and effiecient. There are some very overpriced companies out there. They also had this mecahanical device that spins to knock debris loose from gaps. I highly recommend them. Thanks guys! Job Price Was this review helpful?