Preventative Maintenance
Reduces Costs

Avoid costly repairs and equipment failures by having our skilled team provide maintenance to your heading, air conditioning and ventilation systems.

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About Dunlis Mechanical

Dunlis Mechanical Services Ltd. has been in the commercial / industrial mechanical services business since 1969. With a customer base of more than 2,000 and a focus on preventative maintenance to extend the life of customers’ equipment our experienced technicians are committed to deliver high quality service. Expect more from Dunlis by putting our more than 50 years of experience to work for you!


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What Our Customers Say About Us

“Dunford Liscio is a favored mechanical contractor of Olar Limited for a number of years. We have paired up with them on numerous contracts at the University of Toronto and their ability to work in a proactive way helped tremendously with the success of the projects. Dunford Liscio was able to maintain some very tight schedules successfully.”
P.M., Olar Limited
“Over the past 15 years Dunford Liscio has performed , directly for us, numerous mechanical projects of varying complexity and size. I have found them to be, at all times knowledgeable, co-operative and professional and I have no hesitation in providing them a recommendation.”
W.W. Harbridge and Cross Limited

“Dunlis has been providing us mechanical services for over 25 years. Their skilled technicians are fast to troubleshoot and make repairs and they are on top of any follow-up work or preventive maintenance.
I would highly recommend Dunlis.”

President of Renin Corp

“The owners of Dunford-Liscio were helpful, accommodating and professional.
The Quality of their work and their on site personnel was first class. The client and designer were treated with respect at all times.”

M.J., Jeffreys Design-Build

Specializing In


Air Conditioning


Who We Serve

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Contact us today to get started with a preventative maintenance or repair quote.

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Call 905.793.6026