Heating & Air Conditioning in Thornhill, Ontario

"First, George is not only professional but has customer service nailed! He took the time to thoroughly explain the..."

" I am very pleased with the furnace and the excellent service from Cozy World, from the timeliness of responses,..."

"They did duct cleaning and sealing for us. We noticed a huge difference in the performance of our furnace after..."

"Both of our humidifier units failed over winter. Found Max on homestars. He showed up early, was incredibly..."

"Provided and installed new thermostat in my condo. Quick response time and excellent service. My furnace is too old..."

"Our furnace broke down during the nasty winter storm Feb.12. We contacted Convertible and they sent Raj, a..."

"Excellent job by an excellent team. Joe was very helpful in getting me an appointment with reasonable pricing. Job..."

"Very happy with Todd's service. He came to our house right away and was able to diagnose and fix the issue we're..."

"Al came in and found a working solution to a complicated problem with my high velocity HVAC. Not only that, since..."

"It had been some time since I had my ducts cleaned and I decided to go ahead and have it done again after my last..."