
1000+
Completed Mechanical Projects
100%
Client Satisfaction Focus
60+
Skilled Team Members

Who We Are, Why We Care
Expertise Backed by 20+ Years in the Field
JTS Mechanical Systems Inc. was founded in 2014 to provide professional commercial mechanical services built on real trade experience.
Based in Guelph, Ontario, we support commercial, multifamily, and industrial facilities across Southwestern Ontario, delivering HVAC, plumbing, refrigeration, building automation, generator systems, and mechanical engineering support.
Owner and General Manager Joshua Freiburger brings more than 20 years of experience in the local mechanical trade. That hands-on background shapes how we approach every project—focused on practical solutions, clear communication, and work completed properly the first time.
Over the years, JTS Mechanical Systems has grown steadily by prioritizing long-term client relationships, consistent workmanship, and responsive service.

Why Choose Us
✓ 24/7 Availability
Mechanical issues do not wait for business hours. Our team is available around the clock, 365 days a year.
✓ Experienced Technicians
Our technicians bring decades of combined field experience across HVAC, plumbing, refrigeration, and control systems.
✓ Managed Maintenance Programs
Contract customers benefit from scheduled service management and electronic tracking. We handle your equipment maintenance history and scheduling so nothing is overlooked.
✓ Full Service Capability
From troubleshooting and emergency repairs to system design and installation, we provide complete mechanical support under one roof.
Our Guiding Principles
We believe that every person deserves to feel safe and secure where they live and work.
Service First
We prioritize responsive service, clear communication, and accountability in everything we do.
Quality Workmanship
Every project is completed with the same commitment to precision, professionalism, and reliability.
Accountability
We stand behind our work and build lasting relationships through reliability, transparency, and trust earned over decades.
Steady Growth
We grow responsibly so our team, systems, and service standards remain consistently strong.

Our Mechanical Services
JTS Mechanical provides maintenance, repairs, troubleshooting, and installation of all commercial and industrial heating, ventilating, air conditioning, plumbing, PLC, and refrigeration systems.

HVAC Systems
Supports commercial HVAC systems, including hydronic heating, refrigeration, and natural gas equipment, to ensure safe, efficient, and reliable operation.

Plumbing Systems
Covers commercial plumbing infrastructure, including water distribution, drainage, fixtures, and gas piping, keeping systems running smoothly.

Building Automation Systems
Implements smart control systems that monitor and optimize HVAC and mechanical equipment for improved efficiency and real-time visibility.

Preventative Maintenance
Delivers scheduled programs that extend equipment life, reduce downtime, and provide proactive oversight with detailed service tracking.

Generator Installation and Maintenance
Designs and supports generator systems to ensure dependable backup power during outages.

Engineering Support
Provides technical expertise for new projects, system upgrades, and complex mechanical and electrical troubleshooting for your building systems.

Cogeneration (CHP) Systems
Supports CHP systems to enhance energy efficiency, improve performance, and maintain long-term reliability.
Industries We Serve
We understand the operational demands of each environment and tailor our service approach accordingly.
Multifamily Residential
Long-Term Care & Retirement
Commercial Buildings
Industrial Facilities
Government Properties
Hospitality
.png)
Ottawa, ON——


——— Guelph, ON
Owen Sound, ON ——

London, ON —

Coverage Locations
Primary Service Areas
JTS proudly serves projects within a 1.5-hour radius of
-
Guelph, ON
-
Owen Sound, ON
-
London, ON
-
Ottawa, ON, (Century Mechanical Services)
Larger projects outside this radius are accepted on a case-by-case basis.
Industries We Serve
Multifamily Residential
Long-Term Care & Retirement
Commercial Buildings
Industrial Facilities
Hospitality
Government Properties
Our Step-by-Step Process
From First Contact to Peace of Mind.
Let's Get in Touch
Whether you fill out our contact form, give us a call, or send an email, our friendly team will get back to you within one working day. We’ll have a quick chat to understand your needs, then arrange a convenient time for a site visit should we need to confirm anything before supplying a quotation.
Site Visit & Quote
We’ll send out one of our experienced team members to your property for no charge. We’ll listen to your needs and then provide a clear, no-obligation quote. No jargon, no hidden extra costs, just straightforward and transparent pricing you can trust.
Project Scheduling
Once you’re happy to proceed, one of our trained schedulers will contact you to agree on a date and time that works for you and your business. Behind the scenes, we’ll take care of everything, whether that’s ordering equipment, scheduling work by specialist third parties, or simply preparing the paperwork, ensuring that the job runs smoothly from start to finish.
Installation or Inspection Completion
Our professional team will carry out the work, ensuring that they prioritize minimizing any disruption. After completing the installation or inspection, we’ll explain any matters regarding the operation of the system and take time to answer any questions. Our team will then expedite all the necessary completion paperwork and/or certification. Simple as that, just the way it should be.
Some Customers We Serve

Our Customers Have Spoken
"We had a great experience with JTS Mechanical. Their team was professional, punctual, and completed the work efficiently. Communication was clear throughout the process, and the quality of work was excellent. I would highly recommend them for any mechanical service needs."
Nathan
"Absolutely thrilled with the service from JTS Mechanical! My request for a visit was handled so promptly – I booked late in the evening and Tim was at my door the following day.
Tim was fantastic: knowledgeable, efficient, and had a great sense of humor... A definite 5-star experience, and I wholeheartedly recommend them for any service!"
Starlyn
We use JTS for the properties we manage... they have always been reliable, diagnose accurately and operate with honesty and integrity. As the owner of the management firm, my own personal air conditioner broke down and was delighted with JTS’ work.
Simon
Our Industry Partners












