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Servicing the community since 1937

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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

5 days ago

Clow Darling
Our office will be closed Monday for Thanksgiving - our emergency services are still available. Happy Thanksgiving!! 🍂 ...

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Clow Darling

1 week ago

Clow Darling
We would like to advise our valued customers that we are currently experiencing some unexpected delays with invoicing as we transition to our new software system.Our team is working diligently to get invoices processed and sent out as quickly as possible.We apologize for any inconvenience this may cause and thank you for your understanding. 💙💛 ...

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Clow Darling

2 weeks ago

Clow Darling
Please note that our Plumbing & Boiler Departments are closed today in recognition of the holiday.🚨 Emergency services remain available.For emergency assistance, please contact our office at 807-623-7485.Thank you for your understanding, and we wish everyone a safe and meaningful day. 🧡 ...
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