These guys are trying to get around Canada's Do Not Call List.  Start making a list and report them - would be great to get a landmark case decided against these guys.

Dont bother with them they are scammers

Getting the same annoying calls. When I answer no one is there. I do subscribe to the Do Not Call list. Thus there will be a report to the CRTC

I just had these people call and ask for the home owners. When I said they were not available they and asked to take a message they replied with "This must be their lovely daughter". I replied with "yes, can I ask why you are calling?" and the response I got was "What's your name? I'm calling because I really like you". This number continually calls my house and either there is no one on the other line or they get angry and rude when I say I am not interested in their services. Can something be done about this so that they stop calling? I'm getting very annoyed by the calls.

They called on Nov 3, 2011, didn't leave a message.  Again, this number is not recognized on 411 so I can figured who called and what they want.  Good thing I am away a lot.

These idiots have called my house way too many times.  And every single time I ask them to take my number off their list, they hang up on me before I even have a chance to finish my sentence.  They are rude and inconsiderate, even after I tell them that my number is on the CRTC do not call list.  I've made a complaint against them to the CRTC, hopefully it won't take too long to have rectified.  In the meantime, I've blocked their number.  Hubby made a good suggestion though, next time they call, make an appointment to clean the ducts and then when they show up at my door, I can personally tell them where to go, maybe that will be my new approach to these rude and annoying telemarketers.