MSARCH

Best contractors in Kitchener, Ontario

MSARCH tracks 61 vetted contractors in Kitchener, Ontario, averaging 4.8★ on Google. That includes 25 HVAC contractors, 22 electricians and 14 plumbers.

The most-reviewed is Aire One Heating & Cooling KW with 9,859 Google reviews, while Able Air Conditioning & Heating holds one of the top ratings at 5.0★. Every listing below is ranked by Google rating weighted for review volume.

  • 61Contractors
  • 4.8★Avg rating
  • 20,736Reviews

Updated July 2026 · Ranked by Google rating, review volume and recent-review sentiment

HVAC & Heating (25)Electricians (22)Plumbers (14)

Nearby cities

Waterloo 45Cambridge 103Guelph 57Fergus 10Brantford 53Woodstock 43

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How many contractors are in Kitchener?

MSARCH lists 61 HVAC, electrical and plumbing contractors in Kitchener, Ontario, with an average Google rating of 4.8 out of 5.

What is the highest-rated contractor in Kitchener?

Able Air Conditioning & Heating is among the highest rated in Kitchener, with 5.0★ from 1,524 Google reviews.

How are these contractors ranked?

MSARCH ranks Kitchener 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.