Proudly servicng London and surrounding area since 1995
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A.J. Smith Heating and Cooling
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Contact Us Any Time, We’re Here 24/7/365

We don’t pride ourselves on being open in London 24/7/365 for nothing. Our devotion to you goes beyond helping with your HVAC repair or selecting the perfect HVAC equipment to fit your needs, we’re here for anything you may need.

Whether you have a question about HVAC repair or you need to let us know about a problem, we’d love to hear from you. Just want to provide some feedback or offer suggestions? We’re all ears.

Telephone & Fax
London - (519) 670-5793
Dorchester (519) 268-7498
Fax - (519) 268-3263
217 Ruth Street
Dorchester, Ontario
N0L 1G1

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