Our commercial HVAC services include system design and installation, preventive maintenance, and efficient repairs. Whether you’re constructing a new building or maintaining an existing one, we will ensure your facility’s indoor environment is comfortable and code-compliant. We also support specialized equipment like rooftop units and unit heaters for more complex heating and cooling demands.
For help addressing your commercial HVAC needs, call now or schedule service online. To learn more about our individual services, read on and explore the linked service pages.
Commercial HVAC System Installation for New and Existing Buildings
Whether you’re expanding into a new commercial space or replacing an aging HVAC system, our team provides expert installation support from start to finish. We’ll evaluate your building’s layout, occupancy, and energy needs to help you select the most efficient and cost-effective equipment.
Our commercial installation clients include:
- Office buildings and medical clinics
- Retail storefronts and restaurants
- Warehouses and light industrial spaces
- Multi-tenant commercial real estate
For businesses that rely on packaged systems, we also install and service rooftop HVAC units designed for large-scale performance and easy rooftop access.
Learn more about our Commercial HVAC Installation services
Ongoing HVAC Maintenance to Avoid Downtime
Preventive maintenance is the key to long-term HVAC performance. Our team offers scheduled commercial service plans designed to catch issues before they turn into costly repairs or unexpected shutdowns.
From data centers and server rooms to healthcare facilities and schools, we help businesses with critical environmental needs keep their systems operating smoothly. Maintenance services can be customized based on your equipment and operating hours, ensuring minimal disruption to your team.
Many of our commercial clients include unit heaters in their maintenance plans. Especially in warehouses, workshops, and large open areas, where targeted heating is essential.
Explore our Commercial HVAC Maintenance options
Fast, Reliable Commercial HVAC Repairs
If your heating or cooling system stops working, Allied is just a call away. Our commercial repair team arrives quickly, diagnoses the problem efficiently, and gets your system back up and running with minimal downtime.
We’re experienced in servicing all major commercial HVAC brands, including systems with rooftop units, unit heaters, and other specialized equipment.
Whether you’re managing a retail space, manufacturing site, hospitality venue, or large office, we understand how important it is to restore comfort and functionality quickly.
Read about our Commercial HVAC Repair services
Why Choose Allied Air Conditioning & Heating?
Our reputation as a trusted partner for commercial HVAC in Chicago and the surrounding suburbs is built upon the following points:
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Locally Owned Since 1969:
As a long-standing, community-rooted business, Allied has spent decades earning the trust of commercial clients in and around Chicago.
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Highly Trained Commercial HVAC Contractors:
Our NATE-certified team is equipped to handle complex systems, large-scale projects, and high-efficiency equipment with precision and care.
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24/7 Emergency Service:
When critical systems go down, our team is ready to respond.
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Clear, Honest Communication:
From detailed proposals to transparent timelines, you’ll always know what to expect. We don’t practice upsells or surprise you with hidden costs at the last moment.
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Custom Solutions for Every Facility:
From offices and retail stores to warehouses and production spaces, we tailor every recommendation to your business’s unique environment and demands.
Whether you’re scheduling seasonal maintenance or planning a full system upgrade, we’re ready to help you confidently move forward.
Schedule Commercial Heating and Cooling Services Today
With Allied on your side, your HVAC system is one less thing to worry about. We’ll help you keep your facility operating comfortably. To schedule service, call us now or reach out online.
