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Welcome to William Hannah Heating and Air Conditioning Inc.

William Hannah Heating and Air Conditioning Inc. offers the best in installation, servicing, maintenance and repairs for heating and cooling systems across the Ottawa-Carleton area.

With over 20 years of experience fulfilling our client’s needs we’ve built a reputation for effective, efficient and affordable climate control solutions. We specialize in everything from fireplace installation and swimming pool heaters to gas piping for kitchen stoves or barbeques.

We are dedicated to service excellence, including rapid follow-up service when necessary. We proudly stand behind our A+ reputation. We’ve earned recognition as an Honorable Member of the Better Business Bureau every year since 2005.

You can trust the friendly staff at William Hannah Heating and Air Conditioning Inc. to help with an easy, informative and effective solution to your next heating or cooling project. We guarantee it!
See what kinds of products and services we can offer you!

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