Welcome to Hamilton Smith!

We are one of few contractors that are able to meet all your refrigeration, heating, air conditioning, controls, air quality evaluation, and energy management needs. Our customers include major grocery store chains, plants, factories, hospitals, nursing homes, shopping centres, curling clubs, high rise office and apartment buildings, retail drug and convenience stores, and restaurants. We ensure a prompt response time for both service and emergency calls, 24 hours a day, seven days a week.

Our Success

We have been in business for over 43 years, and in this time have created a reputation of experience, expertise, and professionalism. Our diversity allows us to deal with new and different products on a daily basis. This allows us to adapt to the growing and changing industry before others, to serve you better.


Giving Back

At Hamilton Smith we are determined to use our success to help others. That is why we are committed to giving back to both our local and greater community whenever possible. We support many causes on a continuous basis, from national charities to local efforts. We invite you to discover the causes that we hold dear.


Our Location

We are proud to be the largest independently owned industrial and commercial service contractor, serving an area from Bowmanville to Cornwall and north to Smith Falls, Bancroft, Lindsay, and Peterborough. Our ability to provide such a large array of services has allowed us to build this large customer base.



Proper maintenance of your refrigeration, heating, and cooling equipment is the key to maximizing your equipment life, at a lower operating cost. Giving our customers the comfort of knowing that their equipment is functioning at its greatest performance level, while saving them from higher utility costs, is important to us here at Hamilton Smith.


Energy and Controls

Energy Management Control Services is a division of Hamilton Smith that is focused on the implementation of practical and innovative solutions to save you energy and reduce maintenance costs. EMCS will provide you with confidence that you have selected the right partner for today and for the future. EMCS is an authorized dealer of Reliable Controls.