AC Maintenance

Our Services

AC Repair

Reliable Cooling Fixes When You Need Them Most

Professional AC Repairs for Homes and Businesses Across the Rio Grande Valley

Emergency or Not, We’ve Got Your AC Covered

When your air conditioner breaks down, especially during a Texas summer, it’s more than an inconvenience. It’s a race against rising temperatures, restless nights, and frustrated family or employees. That’s where we come in.


At L&S AIR LLC, we offer fast, expert AC repair services that get your cooling system back up and running without the stress. Whether it’s a strange noise, weak airflow, or no cool air at all, our trained technicians quickly diagnose the issue and provide honest, upfront solutions. No guessing. No unnecessary upsells. Just reliable service backed by years of hands-on experience and a deep understanding of how cooling systems should perform in our region’s extreme heat.

AC Repair
AC Repair

When to Call for AC Repair Service

Spot Issues Early to Avoid Bigger Problems

Your air conditioner doesn’t have to shut down completely to let you know something’s wrong. Often, it’s the smaller, more subtle changes that signal your system is struggling.

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Uneven Room Temperatures

If stepping from one room to another feels like crossing into a different climate, your system might be struggling to maintain consistent cooling. Variations in room temperatures could signal an issue that needs to be resolved to ensure comfort throughout your home or business.

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Weak Airflow

When the air coming from your vents feels faint or doesn't seem to circulate well, it's a sign your system isn't delivering cooling power efficiently. Ignoring weak airflow can lead to reduced comfort and increased strain on your AC unit.

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Unusual Noises

A well-functioning air conditioner operates quietly. If you hear banging, squealing, or other unusual sounds, it's often a sign that internal components are not functioning properly. These noises can escalate into costly issues if not addressed promptly.

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Unpleasant Odors

Any odd smell coming from your AC system, whether musty or burnt, warrants immediate attention. It could indicate mold within the system or more serious electrical or mechanical concerns that may affect air quality or safety.

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Frequent Start-Stop Cycles

If your air conditioner seems to turn on and off more frequently than usual, it could be struggling to regulate the temperature properly. This pattern not only affects its efficiency but also accelerates wear and tear on the system.

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Rising Energy Bills

A sudden rise in bills without any significant rise in usage is often an indicator of an inefficiency within your AC system. Whether it's working harder than usual to cool or running longer cycles, this signal shouldn't be ignored.

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Excess Moisture or Water Around the Unit

Visible moisture, whether in the form of puddles or excess condensation near your unit, often points to an internal issue, such as a blocked drain or refrigerant leak. Addressing this quickly can prevent further harm to your system and nearby areas.

What Our AC Repair Service Includes

From fast fixes to complete diagnostics—we cover it all.

Once you’ve noticed the signs, our expert team at L&S AIR LLC takes it from there. We don’t believe in quick patches or temporary fixes. Instead, we bring a comprehensive, methodical approach to every AC repair, restoring your comfort while helping you avoid future breakdowns.

Thorough System Diagnostics

We start with a complete diagnostic using industry-grade tools to assess your cooling system. This allows us to pinpoint the exact issue, whether it's a hidden electrical problem, mechanical failure, or system imbalance, before recommending any repairs.

Thermostat Function Testing

A faulty thermostat can mimic the symptoms of a broken AC unit. That's why we always test this "control center" for accuracy and responsiveness. If it's sending mixed signals or not communicating with your system correctly, we recalibrate or replace it, ensuring you're in full control of your comfort.

Refrigerant Analysis & Recharge

If your system is low on refrigerant, it won't cool properly and may leak. We perform a careful analysis, check for leaks, seal them if present, and recharge the refrigerant to the manufacturer's specifications. This step ensures optimal cooling performance while protecting your compressor from long-term damage.

Filter Replacement & Airflow Checks

Clogged filters and blocked vents can severely impact your system's performance. We inspect every airflow path, clean the components as needed, and replace filters past their prime. Restoring proper airflow helps your AC breathe easier—and reduces strain on the system.

Component-Level Repairs

From worn-out capacitors to malfunctioning compressors, we repair or replace only what's necessary. Our technicians are trained to work at the component level, which means no upselling and no unnecessary system replacements—just the proper fix, done right the first time.

Condensate Drain Maintenance

A clogged drain line may not stop your AC immediately, but it can cause serious water damage over time. We clear blockages, flush the line, and check for mold or mildew growth to keep your home dry, clean, and safe from hidden moisture issues.

Final Performance Testing

We wrap every repair with a performance check to ensure your AC runs smoothly, efficiently, and quietly. Our goal is simple: when we leave, your AC feels brand-new, and your home feels cool again. We don't mark the job complete until you're satisfied with the results.

AC Repair
AC Repair

AC Repair vs. Replacement: When to Choose What

At L&S AIR LLC, we believe in honest guidance, not upsells, so you can make the best choice for your home or business.

When your air conditioner starts acting up, the question is: repair or replace it? At L&S AIR LLC, we believe in honest guidance, not upsells, so you can make the best choice for your home or business.


Start by considering the age of your system. If your AC is over 10–15 years old and repairs are becoming more frequent, replacement may be more cost-effective in the long run. Newer systems are more energy-efficient, which means lower monthly bills and fewer service calls.


Another key factor? Energy costs. If you’ve noticed a steady climb in your utility bills, your AC could be losing efficiency—even if it’s still running. Sometimes, upgrading to a high-efficiency unit pays for itself over time.
But if your system is relatively young and the issue is isolated, a targeted repair might be all you need to stay cool for years to come.


Still unsure? That’s what we’re here for. Our expert technicians will assess your system and walk you through your options with transparency, not pressure, so you can decide what’s right for your comfort and your budget.

L&S Air: When Your AC Quits, Count on Us to Bring the Chill Back Quickly

Reliable Repairs. Honest Service. Comfort Restored.

At L&S AIR LLC, we know AC issues never come at a convenient time. But with our expert team by your side, getting your comfort back on track is easier than you think. Whether it’s a strange sound, uneven cooling, or a system that’s simply stopped working, we bring the tools, training, and trusted approach to get it fixed right the first time.
We don’t believe in quick patches or pressure tactics. Instead, we focus on transparent communication, long-lasting solutions, and treating your home or business with respect. From your first call to your final cool breeze, we’re here to make your repair experience as smooth and stress-free as possible. Don’t wait for the problem to get worse. Reach out today to restore your AC, your comfort, and your peace of mind.

AC Repair

Why Choose Us

The HVAC Partner You Can Trust for Real Results

Your comfort is too important to gamble on—here’s why we’re the team you can trust to get it right.

Why Choose Us

Licensed and Insured Professionals

We hold a Texas Class A HVAC license and full insurance coverage, ensuring you’re in qualified hands. Compliance, safety, and quality are at the heart of our service.

Why Choose Us

Affordable HVAC Solutions

We deliver expert service without the premium price tag. From repairs to installations, we tailor cost-effective solutions to your budget and goals.

Why Choose Us

Trusted Technical Expertise

With over two decades of experience, our factory-authorized technicians can tackle even the most complex HVAC challenges with precision and efficiency.

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Satisfaction Guaranteed

We back every service with a satisfaction guarantee and warranty. If something’s not right, we make it right—because your trust matters.

Why Choose Us

24/7 Emergency Support

HVAC problems don’t stick to business hours—and neither do we. Day or night, we’re here to help when you need it most.

Why Choose Us

Fast, Responsive Service

We respect your time and respond quickly, whether it’s an urgent call or a routine visit. Expect clear communication and a job done right without the wait.

Why Choose Us

Free, No-Pressure Estimates

Get a clear understanding of your options before any work begins. Our free estimates are honest, straightforward, and come with zero pressure.

Why Choose Us

Transparent, Fair Pricing

No hidden fees. No surprise charges. Our flat-rate pricing includes everything upfront—parts, labor, and complete transparency.

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Your Go-To Team for HVAC Solutions That Exceed Expectations Every Day

Have Questions? We’re Just a Call Away.

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