LC Heating & Air provides commercial HVAC repair, installation, and maintenance for small to mid-size businesses in Temple City and throughout LA County. We specialize in rooftop units, split systems, and ductless systems for retail, offices, restaurants, and medical offices. We're CSLB licensed (#1073586), provide written estimates, and handle permits and documentation. Call (323) 970-3113 for same-day service options.
Commercial HVAC Repair & Service in Temple City
LC Heating & Air provides commercial HVAC in Temple City β 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 Temple City, 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.
Temple City has a mix of commercial properties β strip malls, stand-alone retail, office buildings, and restaurants β all of which rely on HVAC systems that run hard during our long, hot summers. When a rooftop unit goes down mid-July, it directly affects your business revenue and customer comfort. LC Heating & Air is a CSLB-licensed commercial HVAC contractor serving Temple City, specializing in small to mid-size systems from 2 to 20 tons.
I'm Leo, owner and lead technician. I have over 20 years of hands-on experience with commercial HVAC, from packaged RTUs to ductless mini splits. Our approach is straightforward: we diagnose the problem thoroughly, give you a clear written estimate, and tell you honestly whether repair makes sense or replacement is the better long-term move. No pressure, no fluff β just practical advice for your commercial property.
Local HVAC considerations
Temple City and all Los Angeles County
CSLB #1073586 (C-20 HVAC)
Small to mid-size systems (2-20 tons)
2-4 hours during business, 2 hours after hours
Emergency calls answered within 30 minutes
Written estimates always provided
Common Commercial HVAC Problems in Temple City
Temple City's climate β with 95- to 100-degree summer days and long cooling seasons β puts real stress on commercial HVAC equipment. Rooftop units bake in direct sun, condensers get dusty, and systems run extended hours, leading to issues like failed run capacitors, stuck contactors, refrigerant leaks, and frozen evaporator coils. Restaurants face additional challenges from grease buildup on condenser coils and makeup air requirements for kitchen exhaust.
Many older commercial buildings in Temple City have original or poorly maintained rooftop units. We frequently find duct leakage, undersized systems for the actual cooling load, and controls that have never been calibrated. If your tenants or employees have been complaining about uneven temperatures or high utility bills, these patterns point to underlying problems that need a professional diagnosis.
Temple City's Commercial Building Stock and HVAC Needs
Temple City's commercial properties range from small strip-mall retail spaces and standalone offices to larger mixed-use buildings and restaurants. Many of these buildings were constructed in the 1970s and 1980s, with original rooftop package units or split systems that are now 20-30 years old. Older equipment often uses R-22 refrigerant, which is being phased out, and replacement parts can be hard to find.
We frequently work with property managers and business owners who are dealing with aging RTUs that trip breakers, blow warm air, or run constantly without satisfying the thermostat. Ductwork in these older buildings may be poorly sealed or undersized, contributing to high energy costs and comfort complaints. Our assessments include checking duct condition and system capacity to ensure any repair or replacement actually addresses the root cause.
How We Diagnose Commercial HVAC Issues in Temple City
Diagnosing a commercial system starts with a conversation about your specific complaints β which zones are uncomfortable, what the utility bills look like, and whether there have been any previous repairs. Then we go to the equipment. For rooftop units, we check refrigerant pressures and temperatures, measure airflow across the evaporator, inspect the condenser coil for dirt or debris, and test all electrical components including the compressor windings, capacitors, and contactors.
For split systems and ductless units, we also verify line set integrity and check for leaks. We use electronic leak detectors and thermal imaging to pinpoint problems without guesswork. If the issue is control-related, we examine the thermostat, control board, and any building automation system (BAS) interfaces. The goal is to have a clear picture of what's wrong before we discuss repair options. We provide a written diagnostic report and a written estimate β no surprises.
Repair or Replace? Honest Guidance for Temple City Commercial Owners
When a commercial system breaks down, the first question is usually, "Should I repair it or replace it?" I'll tell you straight: if the compressor has failed, the evaporator coil is leaking beyond repair, or the system is over 15 years old and already had multiple repairs, replacement is often the smarter long-term investment. On the other hand, if the issue is a bad capacitor, a stuck contactor, or a small refrigerant leak that's repairable, and the system is relatively young and well-maintained, a repair can buy you several more years of reliable service.
We also consider refrigerant type. If your system uses R-22, replacement becomes more compelling because R-22 is increasingly expensive and harder to find. For newer systems with R-410A or R-454B, repairs are more cost-effective. Our job is to give you the facts and let you decide. We never push replacement unless the evidence clearly points that way.
Cost Factors and Rebates for Commercial HVAC in Temple City
Commercial HVAC costs vary widely based on system size, complexity, and access. Our diagnostic fee for commercial systems is $175β$350, which covers a thorough inspection and written report. Commercial repairs typically run $250β$2,500 depending on parts and labor. For rooftop unit service (cleaning, tune-up, minor repairs), expect $200β$500. Full system installation requires a site-specific quote β we tailor the scope to your business needs.
While we don't offer specific rebates, we help you navigate Los Angeles County and Southern California Edison programs that may offer incentives for energy-efficient upgrades. Newer high-efficiency commercial RTUs and heat pumps often qualify. We can point you in the right direction and provide the documentation needed. We also handle all LADBS commercial permits and coordination with mechanical engineers when required, so you're code-compliant from day one.
Access, Scheduling, and Minimizing Business Disruption in Temple City
Commercial HVAC work often involves rooftop access, coordination with tenants, and scheduling around business hours. For retail and offices, we typically schedule service during off-hours β early morning, late afternoon, or weekends β to minimize downtime. Restaurants need special care to avoid food safety risks; we coordinate closely with kitchen staff to ensure critical ventilation and cooling are restored quickly.
For emergency commercial calls, we prioritize them as high. During business hours, our target response time is 2β4 hours. After hours, we aim to respond within 2 hours. Emergency calls are answered within 30 minutes (phone response). We work with property managers and business owners to plan access, arrange for rooftop clearance, and ensure the job is done with as little disruption as possible.
Common Mistakes Temple City Commercial Property Owners Make
The biggest mistake I see is delaying maintenance until there's a breakdown. Regular inspections catch issues like dirty condenser coils, low refrigerant charge, or worn belts before they cause a failure. Another common mistake is hiring unlicensed contractors for commercial work β that can void equipment warranties, fail inspection, and leave you liable if something goes wrong. Always check for a valid CSLB license and proof of insurance.
Another error is not pulling the required permits for repairs or replacements. Los Angeles County requires permits for most commercial HVAC work, and missing permits can cause issues when selling the property or filing insurance claims. We always pull permits and coordinate inspections as part of our installation and major repair projects. It's the right way to do business.
Health and Safety Considerations for Commercial HVAC in Temple City
Commercial HVAC systems directly impact indoor air quality and occupant health. Poorly maintained systems can harbor mold, bacteria, and allergens, especially in ductwork that hasn't been cleaned in years. In restaurants, makeup air systems must be properly balanced to maintain negative pressure and ensure kitchen exhaust works effectively. We check for these issues during our diagnostic process.
Refrigerant leaks are another safety concern. Older systems with R-22 or R-410A can leak, and while these are not immediately toxic, they contribute to environmental harm and can indicate a failing system. Proper refrigerant handling and leak detection are part of every service call. We also verify that carbon monoxide detectors are functioning in spaces with gas-fired heating equipment. Your tenants' health and safety are part of our responsibility.
Commercial HVAC Decision Guide for Temple City
When your commercial HVAC system has an issue, the first step is a professional diagnosis. We'll identify the problem, document the system's condition, and give you a written estimate for repair and a separate estimate for replacement if that's on the table. The decision comes down to a few key factors: the age of the equipment, the cost of the repair relative to replacement, the availability of parts, and your long-term plans for the property.
If the system is under 10 years old and the repair is a minor electrical or mechanical fix, repair is usually the right call. If it's over 15 years old, uses R-22, or has a failing compressor, I'd recommend replacing it with a modern high-efficiency unit. We'll walk through the numbers with you so you understand the payback period and energy savings. There's no hard sell here β just honest advice from a contractor who wants you to have a system that works, without calling me back every year.
How the visit works
We assess your commercial HVAC system, document current equipment, identify issues, and develop a service scope.
We provide a detailed written proposal including equipment, labor, permit costs, and timeline.
Permitted installation or repair completed with minimal disruption to business operations.
Written completion documentation, permit sign-off, and maintenance records provided.
Cost factors we review before quoting
- β’ Equipment size and capacity (tonnage)
- β’ Rooftop access complexity (crane vs. ladder)
- β’ Permit and inspection requirements
- β’ Refrigerant type (R-22 vs. R-410A/R-454B)
- β’ Time of year (peak summer pricing)
- β’ Emergency vs. scheduled service
- β’ Ductwork modifications needed
Useful next steps
Commercial HVAC in Temple City at a glance
- β’ LC Heating & Air serves Temple City, CA with commercial HVAC services.
- β’ Licensed by CSLB #1073586 (C-20 HVAC) and fully insured.
- β’ Phone: (323) 970-3113 β emergency calls answered within 30 minutes.
- β’ Written estimates provided for all commercial work.
- β’ Specializes in small to mid-size commercial systems (2-20 tons).
- β’ Services all major brands including Carrier, Trane, Lennox, Daikin, York, Mitsubishi.
- β’ Handles commercial permits and inspections for Los Angeles County.
Our commercial hvac process in Temple City
Reviewed by Leo, Owner & Lead Technician
This commercial hvac guide for Temple City 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 Temple City customers say about commercial hvac
Verified reviews from homeowners in Temple City and nearby neighborhoods who used our commercial hvac service.
βAC wasn't cooling to setpoint even though it was running all day. LC found the condenser coils were completely clogged with cottonwood. Cleaned them on the spot and the system cooled my house 12 degrees in an hour.β
βLC replaced our entire HVAC system β new Carrier condenser, furnace, and coil. Leo walked us through every option without pressure. The install team was professional and clean. System runs perfectly and our electricity bill dropped about 30%.β
βCalled LC because our CO detector went off. Their technician found a crack in the heat exchanger and immediately shut down the furnace. He explained the safety issue clearly, provided a replacement estimate, and didn't try to scare us β just facts.β





