About Harris Controls
Reliable HVAC. Trusted for Over 30 Years. Harris Controls delivers reliable HVAC solutions to Calgary businesses, offering repairs, installations, and maintenance and 24/7 emergency service from certified heating and cooling experts. We serve businesses of all sizes across Calgary and surrounding areas. With decades of proven experience, Harris Controls is committed to quality workmanship at affordable prices.
Request ServiceOur Story
Founded in Calgary, Harris Controls began with a simple mission: to provide commercial properties with reliable, professional HVAC service they can count on. What started as a small team has grown into one of Calgary's most trusted commercial HVAC service providers.
Our success is built on relationships. We believe in understanding each client's unique needs, providing honest recommendations, and delivering service that keeps facilities running smoothly. From routine maintenance to complex system installations, we approach every project with the same dedication to excellence.
Today, we serve a diverse range of commercial clients across Calgary and surrounding areas, from office buildings and retail spaces to healthcare facilities and industrial operations. Our team of certified technicians brings decades of combined experience to every job.

We Work With All Major HVAC Brands
Our team of HVAC experts are trained and experienced to service equipment from all leading manufacturers – including Lennox, Ruud, Goodman, Rheem, York, Trane, Carrier, and Mitsubishi Electric – ensuring reliable repairs, maintenance, and installations. Available 24/7 for emergency service, our fully insured team and mobile service vans can reach your location anywhere in Calgary and surrounding areas. Trust Harris Controls for expert heating and cooling solutions, whenever you need them.








Carrier Certified Excellence
Harris Controls holds elite Carrier Commercial Expert and Carrier Controls Expert certifications, representing the highest level of technical training and expertise in commercial HVAC systems. These certifications require extensive hands-on experience and rigorous testing, ensuring we deliver superior service quality for complex commercial installations, diagnostics, and control systems.
What this means for you: You get access to factory-trained expertise that most HVAC companies don't offer. We understand the intricacies of Carrier's advanced commercial systems and can optimize your equipment for maximum efficiency, reliability, and cost savings.
We also support building automation and controls (BMS/BAS) and are Carrier i‑Vu Silver certified to help facilities configure, troubleshoot, and optimize their control systems.
Our Values
Customer Focus
We prioritize your needs and work to exceed expectations on every project.
Quality Excellence
We maintain the highest standards in workmanship and service delivery.
Reliable Service
We show up on time, complete work as promised, and stand behind our service.
How We Work
Initial Consultation
We assess your facility needs and discuss your HVAC requirements and challenges.
Detailed Assessment
Our technicians conduct a thorough evaluation of your existing systems and infrastructure.
Custom Solution
We design a tailored service plan or installation proposal based on your specific needs.
Expert Execution
Our certified technicians implement the solution with minimal disruption to your operations.
Ongoing Support
We provide continuous monitoring, maintenance, and support to ensure optimal performance.
Where We Serve
Harris Controls proudly serves commercial properties throughout Calgary and surrounding communities.
Work With Calgary's HVAC Experts
Experience the Harris Controls difference. Contact us today to discuss your commercial HVAC needs.


