We have been using A1 for several years. They are hands-down the best heating and air conditioning company we have ever used! The administrative staff is always friendly and helpful and the technicians Dean and Mike B who have done the service for us are fantastic! We would definitely recommend A1.
Annie, Waterdown
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If you prefer, call us directly at (647) 691-6499.


Our A1 team always wear PPE (masks, gloves, foot covers)

We thoroughly disinfect all surfaces that we touch

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