About Us

Diversified without losing focus

S.I.G. is a leading provider of HVAC and mechanical services in Canada. Established in 1973, we have assembled an experienced and dedicated workforce to provide our clients with the best possible service. Our services include design, construction, service, and maintenance. We are committed to providing our clients with the highest quality services possible. With a wide range of services, S.I.G. has the expertise to tackle any task, from small projects to large commercial buildings and heavy industrial plants, with the same level of professionalism and dedication to excellence.

We’re locally based

We take pride in our reputation as a local company and are proud to serve our community by providing excellent customer service that makes your life easier!

You can trust us with any project

With over 4 decades of experience, we are confident in our capability to get the job done right – on time and with care. We never cut corners or compromise quality and safety for speed: it’s what sets us apart from the competition!

We offer 24/7 services

We understand how difficult it can be to manage a business or construction project, so we provide around the clock emergency services. We understand the cost of downtime and loss of productivity, but we are here to solve any issues quickly and effectively!  Emergency services are available after our regular servicing hours (Monday – Friday: 8am – 4:30pm).

(905) 475-3000

Our experience

Our team is comprised of only the most skilled professionals who have been working in the industry for many years.

Our Vision

  • Provide high-quality design, construction, and maintenance services to our clients.
  • Maintain a commitment to excellent customer service.
  • Respond to all service calls promptly and fairly.
  • To be competitive in our field while providing low prices on parts and labour.
  • We value the opportunity to hear from our customers and will do our best to solve any issues they may be having so that we can continue providing them with excellent service.
  • To comply with all government regulations such as ozone depletion and health and safety requirements.
  • To provide our mechanics and customers with the best and most experienced backup and reference system possible, including working supervisors, our reference library, professional engineer, service coordinators, and the construction department.
  • Our Service Division is committed to delivering a seamless experience through preventive and emergency services 365 days a year, 24 hours per day to provide you with uninterrupted service. Regular servicing hours are Monday – Friday: 8:30am – 4:30pm.

Health and Safety

At S.I.G., we are committed to providing our clients with the highest quality services possible. This includes maintaining a safe work environment for our employees and customers. We have assembled a team of experienced and dedicated professionals who are committed to upholding our safety standards. In order to maintain a healthy and safe workplace environment, everyone who works for our company must adhere to the office’s safety policy. The purpose of this policy is to prevent accidents that could cause injury or any other type of harm. Our goal is to ensure everyone understands what they can do in the office or in the field while working at one of our client sites if they notice anything unsafe.

As we continue to strive for a safer environment, those who work with us must abide by our safety policies. Our company’s main goal is always safety- nothing else matters if you can’t maintain it. To accomplish this, we require every person from our top management to our newest employee to understand and abide by the regulations of the occupational health and safety act, as well as the regulations of our customers when on their premises, and to abide by them. Safety is a foremost concern of the company and we shall work together as a team so that every day is a “safe” work day.