If your business AC is down, we prioritize your call to minimize downtime. We provide fast diagnosis and repair for rooftop units, commercial splits, and mini-splits across Pacoima. Call (323) 970-3113 for service.
Commercial HVAC Repair & Service in Pacoima
LC Heating & Air provides commercial HVAC in Pacoima — including commercial HVAC repair, commercial air conditioning, rooftop unit repair, commercial HVAC maintenance. Whether you need same-day service, a written estimate, or help deciding between repair and replacement, our licensed technicians handle every make and model.
We repair and service all major HVAC brands in Pacoima, including Carrier, Trane, Lennox, York, and Goodman, and older or discontinued units. No matter the manufacturer, we diagnose the problem accurately and give you an upfront price before any work begins.
A failed air conditioner in a commercial space is a business problem, not just a comfort problem. Customer-facing businesses, retail shops, and offices in Pacoima cannot operate without functional cooling during our long, hot San Fernando Valley summers. At LC Heating & Air, we understand that every hour your system is down affects your operations, employees, and customers.
I am Leo, and I have spent over 20 years working on HVAC systems. My team and I prioritize commercial AC repair calls to get your business back to normal as quickly as possible. We provide honest, straightforward diagnostics and written estimates before we touch your equipment, ensuring you know exactly what the repair entails.
Local HVAC considerations
Pacoima and surrounding San Fernando Valley
Commercial calls prioritized; emergency phone answer within 30 minutes
CSLB #1073586
Common Commercial Cooling Failures in Pacoima
In the Pacoima area, we see a lot of rooftop units (RTUs) struggling with the heat. The most common failure we encounter is a high-pressure lockout. Because our local air is often dusty and smoggy, condenser coils on rooftops get coated with debris. When that coil can't breathe, the head pressure rises, the safety switch trips, and the compressor shuts down to protect itself.
We also see frequent issues with commercial contactors and capacitors. These components take a beating during our 95-100 degree days. When they fail, the system might buzz or try to start but never actually engage the cooling cycle. We keep these common commercial parts on our trucks to help us get you back up and running in a single visit whenever possible.
Commercial HVAC Systems in the Valley
Pacoima has a mix of older commercial buildings and newer, high-load cooling systems. Whether you are operating out of a mid-century structure or a modern facility, the HVAC requirements are specific. Older buildings often have limited electrical capacity or restricted rooftop access, which we have to account for before we start any work.
We service everything from 2-ton split systems to 20-ton packaged rooftop units. We are familiar with the specific service requirements of these units, including proper safety procedures for rooftop work and the integration of commercial controllers or BMS systems. We don't use a one-size-fits-all approach; we look at the specific needs of your property.
Our Diagnostic Approach
When we arrive at your business, we don't just guess. We perform a full system diagnostic. We check the compressor, the electrical controls, the refrigerant levels, and the economizer dampers. If your system is a multi-zone setup, we check the airflow distribution to make sure the problem isn't just a stuck damper or a bad sensor.
We believe in transparency. After we identify the fault, we explain it to you in plain English. We show you what we found and why it matters. You will receive a written estimate for the repair before we start, so there are no surprises when the invoice arrives.
Repairing vs. Replacing Your Commercial Unit
A common question I get is, 'Leo, should I fix this or just buy a new one?' My answer depends on the condition of the equipment. If it is a minor part failure like a capacitor or a contactor, a repair is usually the smart move. These parts are designed to be replaced, and they don't indicate that the whole system is failing.
However, if the compressor is failing or the heat exchanger is cracked, we need to have a different conversation. If the cost of the repair is a large percentage of the cost of a new unit, or if the system is constantly breaking down, replacement might be the more economical choice in the long run. We will give you an honest assessment of whether your system is worth saving.
Understanding Repair Costs
Commercial AC repair pricing varies based on the type of equipment and the specific failure. A standard diagnostic fee covers the time it takes for us to properly identify the issue. From there, the cost depends on the parts required—whether it is a simple electrical component or a more complex refrigerant repair.
We provide a written estimate before any work begins. We don't believe in hidden fees. If we find that a repair is going to be extensive, we will discuss the options with you so you can make an informed decision based on your budget and your business needs.
Scheduling and Access
We know that your time is valuable. For commercial clients in Pacoima, we prioritize scheduling to minimize disruption to your business. Whether you need us to work around your operating hours or require a specific window for rooftop access, we do our best to accommodate your needs.
Our team is prepared for the logistics of commercial service. We account for rooftop access, electrical capacity, and the specific requirements of your building before we arrive. If you have an emergency, call us at (323) 970-3113, and we will answer within 30 minutes to discuss your situation.
Mistakes That Lead to Costly Repairs
The biggest mistake I see is ignoring small signs of trouble. A system that is making a strange noise or struggling to keep up with the heat is usually trying to tell you something. If you ignore these signs, a small, inexpensive repair can turn into a major compressor failure.
Another mistake is skipping routine maintenance. In a commercial setting, dust and debris build up quickly on coils. If you don't clean them regularly, your system has to work much harder than it should, which leads to higher utility bills and a shorter lifespan for your equipment. Regular maintenance is the best way to avoid emergency repairs.
Safety First
Safety is our top priority, both for our technicians and for your property. Working on commercial rooftops and high-voltage electrical systems requires specific training and caution. Our technicians are NATE-trained and EPA-certified, meaning they know how to handle refrigerants and electrical components safely and legally.
We follow all manufacturer guidelines and local building codes. When we perform a repair, we test the system thoroughly to ensure it is operating correctly and safely before we leave. You can trust that the work we do is compliant and built to last.
Making the Right Choice for Your Business
When your commercial AC fails, look at the age and history of the unit. If it has been reliable and this is a first-time failure, a repair is likely the best path. If you are constantly calling for service, it might be time to look at a replacement.
We are here to help you weigh those options. We will give you the facts about your system's condition and the cost of the repair so you can make a decision that makes sense for your business.
How the visit works
Call (323) 970-3113. We prioritize commercial emergencies and provide an ETA.
We perform a thorough diagnostic of your compressor, controls, and refrigerant system.
We provide a clear, written estimate before any repair work begins.
We complete the repair, test the system, and confirm cooling is restored.
Cost factors we review before quoting
- • Type of commercial equipment (RTU vs. split system)
- • Complexity of the failure
- • Cost of replacement parts
- • Labor time required for the repair
Useful next steps
Commercial AC Repair in Pacoima at a glance
- • LC Heating & Air is a C-20 licensed contractor (CSLB #1073586).
- • We are based in Los Angeles and serve Pacoima.
- • Emergency calls are answered within 30 minutes.
- • Leo has 20+ years of hands-on HVAC experience.
- • We provide written estimates before starting any repair work.
- • We specialize in commercial RTU and split system diagnostics.
Our commercial ac repair process in Pacoima
Reviewed by Leo, Owner & Lead Technician
This commercial ac repair guide for Pacoima is reviewed for practical HVAC accuracy by Leo at LC Heating & Air. LC Heating & Air holds California CSLB C-20 HVAC license #1073586 and provides written estimates before approved work.
What Pacoima customers say about commercial ac repair
Verified reviews from homeowners in Pacoima and nearby neighborhoods who used our commercial ac repair service.
“Our AC stopped working during a heat wave and LC had a technician here within two hours. He diagnosed a bad capacitor, had the part on his truck, and fixed it on the spot. Fair price, no upsell. Will use again.”
“Our furnace wasn't heating evenly upstairs. LC found that half of our ductwork in the attic had separated and was blowing hot air into the attic. Repaired everything and now every room heats equally. Professional and transparent.”





