London and Area Heating and Cooling Contractor


Welcome to A.J. Smith Heating and Cooling. We have been proudly serving London, Dorchester and the surrounding area since 1995. 

Providing our customers with prompt, honest and personalized service we will work with you to find the most economical solution. We are proud to be a Better Business Bureau Accredited Business.

We service most brands and offer products from American Standard, Goodman and Mitsubishi.

Let A.J. Smith be your first and only call for all of your heating, air conditioning and air quality needs.

We are happy to always offer a 10% discount on our services for seniors.

Certified TSSA Contractor

We gladly accept Cash, Cheque, MasterCard and Visa

Copyright © 2013. All Rights Reserved. Logos and Trademarks are all property of their respective owners.

A.J. Smith Heating and Cooling
217 Ruth Street Dorchester, Ontario N0L 1G1
Phone: 519-670-5793