By Greg B on April 28, 2026 Verified by Google Cassar Heating & Air Conditioning

I live in Whitby and David quickly answered the call and came to replace my natural gas hot water tank. His service was excellent both in the removal of the old tank, installation of the new one and showing me how everything works. I will be using him again in the future for all of my heating, air conditioning and water tank needs.

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By Kesik Kritzer on April 25, 2026 Verified by Google Cassar Heating & Air Conditioning

David installed a ductless mini-split heatpump unit in my home. He was an absolute pleasure to work with, providing fast, friendly, and professional service. I highly recommend him for any of your HVAC needs!

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By rachel kerschl on March 24, 2026 Verified by Google Cassar Heating & Air Conditioning

David came to Lindsay in the city of Kawartha Lakes, To do numerous jobs for us. Air conditioning first almost 10 years ago in our new home then he came back and did a gas line for a gas barbeque as well as install for a dehumidifier on our furnace.

He was quick and efficient and clean. I would highly recommend him to any of my friends and family.

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By John Warwick on February 20, 2026 Verified by Google Cassar Heating & Air Conditioning

Great experience with David and team. From his patience in diagnosing the issue (thoughtful and thorough) to eventually replacing the furnace, the approach was top notch. Dave and Alex made the install as painless and seamless as possible. Highly recommended Cassar as the only choice for heating and air service.

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By Dan King on May 23, 2020 Verified by Google Cassar Heating & Air Conditioning

David Cassar is professional and hard working. We have worked with him multiple times over the years. He did the new install of the furnace at the old house before we moved, relocated the AC unit and this week he got our gas line out to the new BBQ fast and it looks great. Couldn't wait to start barbaquing!! Thanks so much.

He also worked safely for himself and my family during these times, using gloves, mask and cleaning properly after the job was complete.

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