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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

12 hours ago

Friends! Does anyone know a gentleman named Jonathon Dustak? He lost something in our parking lot that we’ve picked up and are keeping safe inside but haven’t had any luck tracking him down yet! Let us know 🙂 Thanks! ... See MoreSee Less

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