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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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2 weeks ago

Clow Darling
Our resident fox has claimed one of our old fleet vans as its own. What a beautiful sight! 🦊 ❄️ Photo credit: Riley McFarlane from our warehouse dept. ... See MoreSee Less
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1 month ago

Clow Darling
And thank you to Mama Alfa's Pizzeria for an incredible Christmas lunch for our staff! 👏A big Thank You to Clow Darling for supporting our local business for you Christmas staff party today!! Greatly appreciated! ... See MoreSee Less
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2 months ago

Clow Darling
Happy Holidays/Merry Christmas, Thunder Bay! 🎄 'Tis the season for giving, so 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 post2) Comment below with one of your favourite Thunder Bay Christmas memories (keep it PG-rated, please)We will draw the winner during the first week of 2023 after New Year's Day! Have a very safe and FUN holiday! ❄️ Sincerely,The entire staff of Clow Darling Ltd.***************************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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