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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 months ago

Clow Darling

Happy Holidays from everyone at Clow Darling ! Please note our hours for the next few days:

Thursday December 24th- open until 12:00 PM
Friday December 25th- closed
Monday December 28th- closed
Tuesday the 29th and Wednesday the 30th OPEN 8:00 am-5:00 pm
Thursday December 31st - open until 12:00 PM.
Friday January 1st- closed

We are encouraging our customers to pay online through our website OR you can call us at 623-7485 to be over the phone.

Our 24 hour emergency line can be called at 623-7485.

We hope everyone has a safe, happy, and healthy holiday ❤️
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3 months ago

Clow Darling

Clow Darling has been Thunder Bay’s source for plumbing, heating, and air conditioning for over 80 years. Port Arthur Rotary can relate to this! We have been a service organization in Thunder Bay since 1924, 96 years. Both Clow Darling and PA Rotary are still going strong! We each have our role in making Thunder Bay a great place to live, work and play. 🙂 ... See MoreSee Less

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3 months ago

Clow Darling

We are so honored to be able to give back to our community!Clow Darling has been Thunder Bay’s source for plumbing, heating, and air conditioning for over 80 years. They want to contribute to a strong healthcare future in our community with full access to life- and limb-saving cardiovascular surgery.

Their generous donation is bringing full cardiovascular surgery to Thunder Bay & Northwestern Ontario, to heal #OurHeartsAtHome! Thank you, Clow Darling! ❤️

Learn more about the campaign at ourheartsathome.ca
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