I got a Liftmaster 3800 jackshaft opener not long ago. It's seriously quiet. No chains or belts. It also has an automatic deadbolt that locks the door to the channel. Check it out. It's a little more than your budget. I had to pay almost 300 from the states. I have no idea how much it is in Canada.
http://www.jaylenosgarage.com/extras...opener-system/