HVAC Contractors in Hamilton, ON — 60 Local Contractors

There are 60 hvac contractors in Hamilton, Ontario. The average rating is 4.7 out of 5 stars across 57 rated businesses. The highest rated is Boonstra Heating and Air Conditioning (4.7 stars). The most reviewed is Boonstra Heating and Air Conditioning with 4806 reviews.

Hamilton's cold winters and humid summers demand reliable heating and cooling systems. Local homeowners typically require furnace installations, air conditioning units, ductwork modifications, and maintenance services for both residential and commercial properties. When selecting a contractor, verify licensing, insurance, and references. The region's mix of older Victorian homes and newer developments means contractors should understand varied architectural challenges and system compatibility. Given Hamilton's competitive market, obtain multiple quotes. Spring and fall offer better pricing than peak seasons. Prioritize contractors offering emergency service, as winter breakdowns are common in this climate.

Heating & Cooling Hamilton

550 Fennell Ave E, Hamilton, ON L8V 4S9

★★★½☆ 3.5 (10 reviews)
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Frequently Asked Questions

How many hvac contractors are in Hamilton?
There are 60 hvac contractors listed in Hamilton, Ontario as of 2026.
What is the average rating?
The average Google rating for hvac contractors in Hamilton is 4.7 out of 5 stars.
How do I choose a hvac in Hamilton?
Compare ratings and review counts, verify their credentials and insurance, and get at least three quotes before hiring.