Commercial HVAC Repair Services
Trusted Commercial HVAC Repair In Longmont, CO


At Carroll Mechanical Services, we understand that a comfortable and consistent environment is crucial for the success of your business. That's why we've dedicated ourselves to providing prompt, reliable commercial HVAC repair services to our fellow businesses in the Longmont area.

Longmont’s Commercial HVAC Repair Pros
Our approach to any repair begins with a meticulous diagnostic process. We believe that a lasting solution is impossible without first accurately identifying the root cause of the problem. When you call us, our NATE-certified technicians arrive equipped with advanced tools to thoroughly assess your system. We don't just look for the obvious issue; we inspect the entire unit to understand its overall health. This comprehensive evaluation allows us to provide you with a clear, detailed explanation of the problem and a precise, transparent estimate for the repair, ensuring you have all the information needed to make a sound decision for your business.

Expert HVAC Repairs for All Commercial Systems
Commercial HVAC systems are complex, but our experience is extensive. We service all makes and models of commercial equipment, from rooftop packaged units to ductless split systems and large-scale furnaces. Whether you're facing an ignition control failure, a refrigerant leak, an electrical issue, or decreased airflow, our team has the hands-on expertise to execute the repair with precision. We use high-quality parts and adhere to the industry's best practices to restore your system's functionality and efficiency, ensuring the repair is done right the first time.
Minimizing Disruption to Your Daily Operations
When you choose Carroll Mechanical Services, we want you to know you can rest assured that your business is in good hands. Backed by more than 25 years of commercial HVAC expertise and a passion for our work, our highest priority is to set your company up for success.

We are acutely aware that any service interruption can affect the bottom line for your local business.

A core part of our service philosophy is to perform our work with minimal disruption to your daily operations.

We work efficiently and professionally, coordinating with you to find a service time that’s right for you.

Our technicians maintain a clean and organized work area and ensure that your property is left spotless.

Our goal is to resolve your HVAC issue quickly so your business can get back to business as usual.

The Carroll Mechanical Services Experience
When you partner with us, you're choosing a seamless and professional experience built on trust. From the moment you contact our office to the completion of the job, you will be treated with respect and courtesy. We pride ourselves on clear communication, keeping you informed at every step of the process. Our technicians are not only skilled but are also professional and approachable, ready to answer any questions you may have.

Our Commitment to the Longmont Business Community
As a locally owned and operated business, we are deeply invested in the health and success of the Longmont community. We see our clients as neighbors and fellow business owners. This perspective drives our commitment to providing honest advice, fair pricing, and reliable service. We've built our reputation over the years on a foundation of integrity and quality workmanship, and we are proud to be the trusted HVAC partner for so many local enterprises.

Beyond Repairs: The Value of Proactive Maintenance
We believe the most effective repair is the one you never have to make. That’s why we strongly advocate for proactive preventative maintenance. Regular, scheduled service enhances energy efficiency, reduces the likelihood of unexpected breakdowns, and can lead to significant savings on your utility bills. No matter your specific needs, we’re ready to help.
What our customers are saying
Problem Solved!
"Our 2 story house has had issues with HVAC since we bought it 28 years ago. I’ve had several companies look at it and spent money on it and nothing changed. I heard about Carroll Mechanical Systems and i called Brien. He came to the house and had solutions for us to consider. Problem solved!!! We will tell everyone we know about this awesome company!"
- David H.
You Will Not Be Dissapointed
"You will not be disappointed if you hire Brien and his team. They replaced our furnace and did a great job. You'll like their prices, and they don't try to gouge you or sell you unnecessary upgrades. Brien is quick to get back to you with any questions as well. Will use them again!"
- Chris B.
Work Around My Schedule
"These are the good guys. Not only did they give me a fair price, work around my schedule for installation, were mindful of my pets during the process, and cleaned up after themselves, they also rushed around to make sure I got all the paperwork I needed in the time frame that I needed it. Would use them again without hesitation."
- Lizzy W.
At Carroll Mechanical Services, our expertise in Longmont commercial HVAC repair is more than a service we offer; it's a reflection of our commitment to supporting our local business community. Contact us to request a quote or schedule a visit today!