Commercial AC failures are a business priority. We provide rapid diagnostic and repair services for rooftop units, commercial split systems, and mini-splits across Van Nuys, with a target 2–4 hour response for emergencies. Call (323) 970-3113 for a written estimate.
Commercial HVAC Repair & Service in Van Nuys
LC Heating & Air provides commercial HVAC in Van Nuys — 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 Van Nuys, 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. Whether you are running a retail shop, a medical office, or a restaurant, you cannot operate effectively without functional cooling during a Van Nuys summer. LC Heating & Air prioritizes commercial AC repair calls and targets rapid response throughout the San Fernando Valley to minimize your downtime.
I am Leo, owner of LC Heating & Air. With over 20 years of hands-on experience, I know that commercial equipment requires a different approach than residential units. We focus on getting your system back online reliably, providing clear, written estimates before we turn a single wrench, and ensuring your business stays cool.
Local HVAC considerations
Van Nuys and surrounding San Fernando Valley
30-minute phone answer for emergency calls
CSLB #1073586
Common Commercial AC Issues in Van Nuys
In Van Nuys, our biggest enemy is the heat combined with the dust and smog that settles on rooftop units (RTUs). When these condenser coils get coated in debris, the system struggles to shed heat. This causes the internal pressure to spike, which triggers a high-pressure safety lockout. It is a common reason for a sudden system shutdown, and it is usually preventable with regular coil cleaning.
We also see a lot of issues with economizers—the dampers that bring in fresh air. If these get stuck or the sensors fail, the system might try to cool the entire building using hot, humid outside air, which overloads the compressor and leads to premature failure. We check these components during every diagnostic to ensure your system isn't working harder than it needs to.
Commercial HVAC Systems in the Valley
Van Nuys features a mix of older commercial buildings and newer, high-load cooling systems. Many of the older properties still rely on legacy rooftop units that have been running for decades. While these units are built tough, they often have outdated control boards or wiring that can be tricky to troubleshoot without the right experience.
We also service a growing number of commercial mini-split systems in modern office remodels and smaller retail spaces. These systems are efficient but require specific diagnostic tools to read the communication signals between the indoor and outdoor units. Whether you have a 20-ton RTU or a multi-zone mini-split, we have the experience to handle it.
Our Diagnostic Process
When you call us for a commercial AC repair, we don't just guess. We start by checking the power supply, the thermostat signals, and the refrigerant pressures. For RTUs, we inspect the rooftop components first, as that is where most mechanical failures occur. We look for signs of electrical wear, like burnt contactors or failed capacitors, which are common culprits for a system that won't start.
Once we identify the problem, we explain it to you in plain English. We show you what we found and provide a written estimate for the repair. We believe in transparency, so you will know exactly what the cost is and why the repair is necessary before we begin any work.
Repair or Replace?
I’ve been doing this for 20 years, and I’ve learned that not every breakdown requires a new unit. If the compressor is sound and the cabinet is in good shape, a repair is often the most practical choice. We focus on fixing the specific component that failed—whether it’s a contactor, a fan motor, or a control board—to get you back in business.
However, if we find that the repair cost is approaching the value of the unit, or if the system is constantly failing due to age, I will tell you. We don't push for replacements unless it is truly the better long-term decision for your property. My goal is to give you an honest recommendation that saves you money in the long run.
Understanding Repair Costs
Commercial AC repair pricing varies based on the complexity of the unit and the parts required. A simple capacitor replacement is obviously less expensive than a full control board swap or a refrigerant leak repair. We provide a clear, written estimate for every job so there are no surprises when the invoice arrives.
We also offer commercial maintenance contracts. These are a great way to manage your costs because they include scheduled visits that catch small issues before they become expensive emergency repairs. By keeping your coils clean and your electrical connections tight, you can significantly extend the life of your equipment and avoid the high cost of emergency service.
Scheduling and Access
We know that commercial properties in Van Nuys have specific requirements for access. Whether you have a secure rooftop, a gated property, or a business that needs us to work during off-hours to avoid disrupting your customers, we can accommodate you. Just let us know your requirements when you call.
For emergency calls, we answer the phone within 30 minutes to get the process started. We prioritize commercial accounts because we know that time is money for your business. We aim to get a technician out to your location as quickly as possible to assess the situation and get your cooling back up and running.
Mistakes to Avoid
The biggest mistake I see with commercial AC is ignoring the 'small' noises or minor performance drops. A unit that is struggling to cool might just need a filter change or a coil cleaning, but if you ignore it, the compressor will eventually overheat and fail. That turns a simple $300 maintenance visit into a multi-thousand dollar repair.
Another common mistake is trying to 'top off' the refrigerant without finding the leak. Refrigerant is a closed loop; if it is low, there is a leak somewhere. Simply adding more refrigerant is a temporary fix that doesn't solve the underlying problem and can lead to more damage. We always look for the source of the leak to ensure the repair is done right.
Safety and Compliance
Safety is our top priority, especially when working on commercial rooftops or around high-voltage electrical panels. Our technicians are EPA-certified and NATE-trained, meaning they follow strict protocols for handling refrigerants and electrical systems. We ensure that all repairs meet current safety standards to protect your property and your employees.
We are fully licensed and insured under CSLB #1073586. When you hire LC Heating & Air, you are getting a professional contractor who takes the safety of your building and your people seriously. We document our work and ensure that every repair is tested for proper operation before we leave your site.
Making the Right Call for Your Business
When your commercial AC goes down, the first step is to check the basics: is the thermostat set correctly, and is the breaker tripped? If those are fine, turn the system off to prevent further damage and call us. We will dispatch a technician to diagnose the issue and provide a clear, written estimate.
If the repair is straightforward, we will handle it on the spot. If the system is at the end of its life, we will explain why and discuss your options. Our goal is to keep your business running, not to sell you equipment you don't need.
How the visit works
Call (323) 970-3113. We prioritize commercial AC emergencies and provide an ETA.
We perform a full system diagnostic, including electrical, refrigerant, and airflow checks.
We provide a written estimate for the repair scope and pricing before any work begins.
We complete the repair, test the system, and confirm your cooling is restored.
Cost factors we review before quoting
- • Type of equipment (RTU, split system, or mini-split)
- • Nature of the failure (electrical, mechanical, or refrigerant)
- • Accessibility of the unit (rooftop vs. ground level)
- • Urgency of the service call
Useful next steps
Commercial AC Repair in Van Nuys at a glance
- • LC Heating & Air is a licensed HVAC contractor (CSLB #1073586) founded in 2020.
- • Leo, the owner, has over 20 years of hands-on HVAC experience.
- • We provide commercial AC repair in Van Nuys, including rooftop units and mini-splits.
- • Emergency calls are answered within 30 minutes.
- • We provide written estimates before any repair work begins.
- • Our technicians are NATE-trained and EPA-certified.
- • We service all major commercial HVAC brands, including Carrier, Lennox, and Trane.
Our commercial ac repair process in Van Nuys
Reviewed by Leo, Owner & Lead Technician
This commercial ac repair guide for Van Nuys 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 Van Nuys customers say about commercial ac repair
Verified reviews from homeowners in Van Nuys and nearby neighborhoods who used our commercial ac repair service.
“Sunday evening, 95 degrees, AC completely dead. LC answered immediately and had a tech here in 90 minutes. Got us cooling again that night. Wouldn't go with anyone else.”
“AC wouldn't turn on at all. LC came same morning, found a tripped high-pressure safety switch due to dirty condenser coils. Cleaned the coils, reset the switch, tested everything. Done in 90 minutes.”
“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.”
