William Hannah Heating & Cooling

Established in 1988 by William Hannah, William Hannah Heating and Air Conditioning Inc. is a proud member of the Heating, Refrigeration, and Air Conditioning Institute of Canada and a registered Technical Standards and Safety Authority Contractor.


We’re proud of our A+ standing and designation as an Honorable Member of the Better Business Bureau. Over the past 28 years, our business has prospered thanks to the countless positive referrals from satisfied customers.


Our friendly, licensed and insured professionals are committed to customer satisfaction, delivering quality products and services at reasonable rates. At William Hannah Heating and Air Conditioning Inc., you can expect nothing but the best workmanship and timely solutions. We never rely on sub-contractors, and conveniently provide both same day service, as well as 24-hour emergency service.