We handle the full lifecycle of commercial rooftop units, from troubleshooting and repair to full replacement and commissioning.
Commercial rooftop units are the backbone of heating and cooling for many buildings. When an RTU fails, comfort drops, energy costs rise, and operations are disrupted. Express Refrigeration provides professional rooftop unit (RTU) service and replacement in Calgary, helping businesses restore performance quickly and avoid costly downtime.
Our technicians service, repair, and replace rooftop HVAC units for commercial properties across Calgary and surrounding areas. Whether your unit is short-cycling, not heating or cooling properly, or nearing the end of its lifespan, we deliver clear answers and reliable solutions.
Call now to book RTU service or request an on-site assessment.
Fast, accurate repairs for common RTU problems such as failed compressors, ignition issues, blower motor faults, electrical failures, refrigerant leaks, and control board issues. We focus on restoring safe, reliable operation without unnecessary replacements.
When repairs are no longer cost-effective, we provide complete RTU replacement. This includes unit selection, crane coordination, removal of old equipment, installation, start-up, and system testing to ensure proper airflow and efficiency.
Regular RTU maintenance reduces breakdowns, improves efficiency, and extends equipment life. Our commercial maintenance plans include inspections, cleaning, performance checks, and early problem detection before failures occur.
We repair and replace critical RTU components, including: Compressors and condenser fans, Electrical controls and contactors Addressing component issues early helps prevent full system failure and unplanned shutdowns.
Commercial refrigeration issues can’t wait — and neither do we. Our process is built to give you quick answers, reliable solutions, and clear communication from start to finish.
Call or contact us to describe the RTU issue. We gather key details to prepare for the visit.
A technician inspects the rooftop unit, tests components, and identifies the root cause of the problem.
We explain your options clearly. Repairs are completed where possible. If replacement is recommended, we outline the scope, timeline, and next steps.
We service and repair most commercial rooftop HVAC units, including gas/electric RTUs, heat pump systems, and packaged units. Our technicians work on all major brands and can troubleshoot heating, cooling, airflow, and control issues.
If your unit is frequently breaking down, struggling to maintain temperature, or driving up energy costs, it may be time to consider replacement. We always inspect the system first and give honest advice. If a repair makes sense, we will recommend it before suggesting replacement.
Yes. We provide emergency service for rooftop units when heating or cooling failures impact your business operations. Our team responds quickly to diagnose the issue and restore comfort while minimizing downtime.
Most rooftop unit replacements can be completed within a day, depending on the size of the unit, crane access, and electrical or gas modifications. We plan installations carefully to reduce disruption to your business.
Absolutely. Preventative maintenance helps catch small issues early, improves efficiency, and extends the lifespan of rooftop units. Regular servicing also reduces the risk of unexpected breakdowns during peak seasons.
Yes. We assess your building size, usage, existing ductwork, and energy needs before recommending a unit. Our goal is to install a system that delivers reliable performance, lower operating costs, and long-term value.
If your rooftop unit is underperforming or has stopped working, quick action matters. Express Refrigeration delivers dependable RTU service and replacement in Calgary to keep your building comfortable and operational.