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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

2 months ago

Clow Darling
It's that time again! We have a lot of scrap wood that's free to go. Please come by during our hours of business and ask someone from our warehouse team to assist you. Thanks! ... See MoreSee Less
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Clow Darling

4 months ago

Clow Darling
Thank you to all of our loyal patrons that nominated Clow Darling Ltd. during this year's CommunityVotes - Thunder Bay campaign! We're honoured to announce that we won... • Platinum in the Duct Cleaning category • Platinum in the Gas Fitting and Piping category • Platinum in the Heating and Cooling category • Gold in the Plumbers and Plumbing categoryYou're the best! ... See MoreSee Less

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Clow Darling

4 months ago

Clow Darling
It's the final week to enter our Summertime Giveaway! Thank you to everyone that's entered so far, and best of luck with the draw! 😁**NOW CLOSED! Congrats to Cheryl Lynn, and thank you to everyone that entered! We hope you have an amazing summer! ☀️Let's kick off this beautiful Monday with a summertime GIVEAWAY, shall we?! To say THANK YOU to all of you, we're giving away a FREE RESIDENTIAL DUCT CLEANING to one lucky individual!ENTRY IN 2 STEPS:1) Share this post.2) Comment below with something you're excited about this summer.We will draw the winner during the first week of August. We hope you're all having an amazing summer! ***************************Duct cleaning valued at $550 CDN (no cash value). Prize eligible to Thunder Bay area only.#ThunderBay #Giveaway ... See MoreSee Less

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