I called Aire One (Kitchener) to give me a quote on replacing my furnace and purchasing an air conditioner. The salesman was great and even was able to get it installed within a couple days so I could surprise my husband, who was out of town. We purchased a Carrier furnace and York a/c. The guys doing the install did a good job- checked to make sure I was ok with the places they needed to run lines and and made sure I knew how to work the thermostat :) I thought everything was perfect- until I tried to run the a/c. The vents blew cold air, but it didn't cool off the house. Aire one was great about sending out a service man quickly- but several service calls later and the summer over, it was never properly resolved- I will try again next summer :( I am not impressed with the air conditioner at all, but was pleasantly surprised when it was time to run the furnace- it's amazing! Within minutes of turning it on, I can feel the difference and it has been working well.
In all, if Aire One is willing to fix the a/c problem so it works properly, I would love to leave a 10 out of 10 review, unfortunately right now, it's nowhere near that.