Best HVAC contractors in Guelph, Ontario

There are 18 HVAC contractors in Guelph, Ontario in the MSARCH directory, with an average Google rating of 4.8★. They are ranked by review-weighted rating, and each profile shows ratings, hours, services and contact details.

The most-reviewed HVAC contractor is Oosterveld Heating & Air Conditioning with 1,666 Google reviews, while Superior HVAC Service, Heating & Air Conditioning holds one of the top ratings at 5.0★.

18HVAC contractors
4.8★Avg rating
4,832Reviews

Updated July 2026 · Ranked by review-weighted Google rating

Superior HVAC Service, Heating & Air Conditioning

Guelph, ON

★★★★★ 5.0 (93)

Synergy Heating And Cooling Inc

Guelph, ON

★★★★★ 5.0 (71)

Noble HVAC

Guelph, ON

★★★★★ 5.0 (31)

Aire One Heating & Cooling Guelph

Guelph, ON

★★★★½ 4.9 (1,309)

Aido Climate Solutions Inc.

Guelph, ON

★★★★½ 4.9 (581)

UC Experts / Ultra Comfort Guelph

Guelph, ON

★★★★½ 4.9 (136)

The HVAC Service

Guelph, ON

★★★★★ 5.0 (14)

Assurance Heating and Cooling

Guelph, ON

★★★★½ 4.9 (90)

Essential Air Heating and Cooling Inc

Guelph, ON

★★★★½ 4.9 (47)

Frozen Flame Canada

Guelph, ON

★★★★★ 5.0 (9)

McKeough Supply Guelph

Guelph, ON

★★★★½ 4.9 (23)

Oosterveld Heating & Air Conditioning

Guelph, ON

★★★★½ 4.8 (1,666)

B.A.P Heating & Cooling Services Ltd

Guelph, ON

★★★★½ 4.8 (450)

Air Wave Heating and Cooling

Guelph, ON

★★★★½ 4.8 (74)

Guelph ClimateCare

Guelph, ON

★★★★½ 4.7 (183)

Murray Young Enterprises Inc

Guelph, ON

★★★★☆ 4.4 (11)

Hall's Heat & Cool Inc.

Guelph, ON

★★★½☆ 3.5 (44)

Guelph Air Conditioning

Guelph, ON

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How many HVAC contractors are in Guelph?

MSARCH lists 18 HVAC contractors in Guelph, Ontario, with an average Google rating of 4.8 out of 5.

Who is the best-rated HVAC contractor in Guelph?

Superior HVAC Service, Heating & Air Conditioning is among the highest-rated HVAC contractors in Guelph, with 5.0★ from 93 Google reviews. Compare the full ranked list above before you choose.

How much does an HVAC job cost in Guelph?

Pricing varies by job, so the best approach is to compare quotes. Shortlist two or three highly-rated HVAC contractors from the list above, confirm they are licensed and insured, and request a written estimate from each.

How are these HVAC contractors ranked?

MSARCH ranks Guelph HVAC contractors by their Google star rating, weighted by review count so a company with hundreds of reviews outranks one with only a few. All data is sourced from Google Maps and listings are not paid placements.