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Servicing the community since 1937

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Residential Services

Commercial Services

Industrial Services

Mobile HVAC

Building Controls

About our company

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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

3 weeks ago

Trust the professionals and call us for your HVAC needs (807)623-7485Thank you Thunder Bay for your vote! We are always striving to be the best for each of our valued customers.#thunderbay #winners #hvac #gasfitting #piping #clowdarling ... See MoreSee Less

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Clow Darling

3 weeks ago

The votes are in Thunder Bay...here are your 2024 winners for duct cleaning services! We appreciate all of our valuable customers very much. Thank you for your continued support!! #thunderbay #winners #ductcleaning #platnium #clowdarling ... See MoreSee Less

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Clow Darling

4 weeks ago

🇨🇦🇨🇦🇨🇦Wishing everyone a happy and safe Canada Day long weekend! 🇨🇦 🇨🇦🇨🇦 ... See MoreSee Less

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