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Servicing the community since 1937

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Residential Services

Commercial Services

Industrial Services

Mobile HVAC

Building Controls

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Clow Darling is the largest complete mechanical service contractor in Northwestern Ontario specializing in plumbing, heating, cooling, boilers and piping for the industrial, commercial, and residential markets. Our services also include a mobile air conditioning and heating department.

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Featured Project: Remote Communities

Commercial

Over the years Clow Darling has helped install extensive infrastructure in remote First Nations communities requiring expertise and the right equipment provide solutions in these areas.

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Featured Project: Heritage Home Restoration

Residential

For this project Clow Darling helped restore the beautiful, turn of the century character home on the corner of Catherine Street and Ridgeway Avenue in Thunder Bay.

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Clow Darling

1 month ago

We are unhappy to announce that we have found out one of our employees has tested positive to COVID. As a precaution we are asking all of our employees, especially those in his department to get tested and follow the rules set out by Thunder Bay District Health Unit. We are taking this very seriously and as such, we have cancelled and will rebook any customers affected to prevent any spread. We are working quickly to get every employee tested and ensuring they have a negative COVID test before sending them to a jobsite/service call. ... See MoreSee Less

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