Get to Know Our Company

Welcome to PSL


Established in 2006, Patrick Sprack Limited (PSL) has grown into one of the most reputable mechanical and electrical contractors in Ontario, providing a broad range of service and installation solutions to customers locally and globally. We’ve built our reputation on guaranteed performance schedules, proven results, and customer satisfaction, and we continue to expand on that successful reputation every day.


At PSL, we offer our clients a combination of hometown service and a world-wide vision, making us a unique and sought-after company that can handle any opportunity, any place, and any time. The PSL family of employees have the ability to handle any job of any scale and, as such, have often travelled to some incredible places in the world to take on jobs of all sizes and complexities. We understand our customers diversified needs, no matter the location, the language, or the climate. At PSL, we get it done.


Our work culture is based around family, and the heart of our company is based on old fashioned values and a workplace that promotes a safe and healthy environment. Our employees, their families, and our clients are the reason we are so successful, and our company is held in such high regard. That is why it’s important to us that each and every person goes home safely at the end of a workday. We are proud of the fact that PSL has successfully completed over 1000 projects worldwide by placing safety first in all that we do. This has resulted in zero harm to our employees because of ongoing focus on meeting and exceeding safety standards.

Breaking Barriers: Women in Trades & International Talent at PSL​

At PSL, we recognize that our strength lies in our diversity, and by celebrating the remarkable journeys of our women employees and international talent, we pave the way for a brighter and more inclusive future. Together, we’re not just breaking barriers; we’re building bridges to new horizons of opportunity and inspiration.

Our Approach

The Best Technologies

Be the leader in the industry
With our products and services, you don’t have to convince your clients in your dominance.

Innovative Technologies
We use engineering and manufacturing technology to make production faster, simpler and more efficient.

Your career opportunity
In addition to an excellent work environment we offer our employees competitive salaries.

Training and Development
We provide all employees with training and development programs to ensure the best possible work experience.

For your next career opportunity, apply online today!

Innovative Technologies

Compliant with IS Net, Complyworks, Avetta, Cognibox

Health & Safety

Preventing work-related illness and injury is important at our workplace.

24/7 Emergency Support

When you work with us, you have access to 24-hour Emergency Assistance.

We've Completed Projects
from Coast to Coast

Some of Our Recent Work

Featured Projects

Explore Our Division Through Our Blog

Check Out Our Blog

Overhead garage doors

Garage Door Preventive Maintenance

We are official SafedoorPM dealers which help us ensure your doors get the right preventive maintenance work, to the right standards, at the right times.

Propane System Inspection Program

At PSL, we understand the importance of 10-year appliance and system inspections and we prioritize them to ensure that our customers remain safe and compliant with all applicable regulations.

People We Trust


Patrick Mechanical Ltd.Legend MiningGCCWOne Source Home ServicesBisschops Industries

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What Our Customers Have To Say

“PSL is very professional in their approach, and we have been consistently impressed with the planning, organization and execution of all the installations they have done for us, or of our equipment for others.”


Why Choose PSL

Patrick Sprack Limited (PSL) was formed in 2006 as a preventative maintenance HVAC company. Since then, we have grown to become a leading Northern Ontario HVAC-R contractor that provides a full range of services to mines, industrial sites, and commercial properties…

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