Today I had Darnell, Ken and Austin at my place. First it was Ken and Austin cleaning the vents - they were professional, did a great job, didn't need any help - and were fast. Got a ton of dust and drywall bits and cruft out of my return air and supply lines. I'm sure it will help us have less dust, less pet hair and less stuff. We've got pets and even if you vacuum the vents - it can't compete with a proper truck-mounted unit.
Right after, Darnell was here to clean my carpets. Showed him the important areas, went right to work and cleaned it all up. I have two carpet machines (SpotBot and upright) and you will never get a carpet as clean as these guys do with the truck. Never. Guy is super professional, very nice and did a great job.
If you pick a company, I recommend them. Never had a bad experince in 12 years, expanded to using the furance cleaning and while it isn't free, the improvement is dust, smells and general cleanliness can't be rivaled. They're also a local Calgary company, not a chain - so the money you spend on them stays in Calgary, with Calgarians.
Busy Saturday - but worth it. My sinuses will probably thank me in a day or two. Haha!