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Heating & Air Conditioning in Thornhill, Ontario

Want to stay cool in the summer and stay warm in the winter? Check out our list of heating and air conditioning experts who can help provide comfort in your home.

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90%

(212 reviews)

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Best of the Best 2024

"Arrived on time, checked over our older furnace, replaced one part (which he had on hand), and gave suggestions to..."

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92%

(625 reviews)

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Best of 2023

"Our 120+ year old house needed back up 1960s era baseboard radiators in a closed in porch and entrance replaced...."

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93%

(1053 reviews)

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Best of 2020

"cosmopolitan mechanical services installed brand new furnace and air conditioner at our house. Cosmopolitan..."

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The reviews on this page are the subjective opinion of the Author and not of HomeStars Inc.