Residential AC Repair in Las Vegas, NV

Pure Plumbing & Air has been diagnosing and repairing residential AC systems across the valley since 2013. Our licensed technicians arrive same-day in most cases, carry the parts most repairs need, and give you a firm price before any work begins.

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What Residential AC Repair Covers

Residential AC repair means identifying exactly what failed and fixing it correctly the first time. Las Vegas homes run their cooling systems harder and longer than nearly any other market in the country.

The combination of extreme summer heat, high dust loads, intense attic heat soak, and hard water at 278 to 304 ppm pushes components toward failure faster than manufacturer service intervals account for. Capacitor failures, refrigerant leaks, and contactor faults are among the most common calls we get in the valley, and they peak in mid to late summer.

We diagnose and repair all major residential brands and configurations, including standard split systems, packaged rooftop units, and ductless mini-splits.

What We Check Before We Quote Anything

We do not guess. Readings determine the recommendation. Before we suggest a repair or anything else, our technicians run a full system evaluation covering every major subsystem:

Electrical diagnostics: capacitor health, contactor condition, compressor and fan motor amp draw, start component testing, and thermostat signal verification. We check for loose connections and heat discoloration at terminals, which are more common after long summer run cycles.
Refrigerant integrity: leak detection, superheat and subcool readings, coil condition, and line set inspection. Leaks most commonly show up at flare joints, Schrader cores, and areas of coil corrosion. On any sealed-system work, we pull a deep vacuum and verify with a micron gauge before charging. We record charge readings, airflow, and temperature split after every repair and show you the before-and-after numbers.
Airflow and static pressure: blower performance, filter condition, temperature split across supply and return, and duct leakage indicators. The U.S. Department of Energy notes that restricted airflow is one of the most common causes of AC inefficiency and performance problems in residential systems, and it is a frequent contributor to coil icing.
Condensate system: drain line flow tested, float switch operation confirmed, and pan condition checked. Las Vegas dust, debris, and hard water mineral buildup clog drain lines faster here than in most markets, and a tripped float switch will shut the system down entirely.
Compressor operation: confirmed running within rated amp draw, suction and discharge pressures within spec
Post-repair verification: performance readings confirmed at target before we close the job

What you get on a diagnostic visit:

Root-cause explanation with actual readings
Options with firm pricing before any work starts
Same-day repair when parts are on the truck
Post-repair performance verification with documented numbers

Get Options and Pricing

Common Residential AC Repairs in Las Vegas

Capacitor failures are the most frequent call we get, particularly mid to late summer after months of continuous operation. A failing capacitor causes the system to struggle starting, run at reduced capacity, or stop working entirely. Catching it early prevents compressor damage.

Other common residential repairs include:

Refrigerant leaks: low refrigerant causes reduced cooling capacity, longer run times, and eventually ice formation on the evaporator coil. We locate the leak, repair it, and recharge to spec rather than topping off and leaving the source unaddressed.
Contactor failure: a worn or pitted contactor prevents the outdoor unit from starting. Common after long seasons.
Condenser fan motor failure: outdoor fan stops spinning, causing the system to overheat and trip on high pressure. More frequent on rooftop units with direct sun exposure.
Blower motor issues: reduced airflow, unusual noise, or no airflow from the indoor unit. Dust accumulation on blower wheels is a contributing factor in Las Vegas.
Coil restrictions: dirty evaporator or condenser coils from dust buildup reduce heat transfer and force the system to work harder. Common in homes where maintenance has been deferred.
Condensate drain clogs: mineral buildup and debris block the drain line, trip the float switch, and shut the system down. One of the more preventable failure modes with regular maintenance.
Thermostat and control board faults: incorrect signals, failed staging, or no call for cooling at all.
Compressor issues: on systems where repair still makes financial sense, we assess compressor condition and give you honest numbers on repair versus replacement.

Residential vs. Commercial AC Repair

Homes

Residential AC repair covers split systems, ductless mini-splits, and packaged rooftop units in single-family homes, townhomes, and condos. Home-specific considerations include attic air handler access and heat exposure, room-by-room comfort complaints, and the safety implications of a failure in a space with elderly residents, children, or pets. This page covers residential work specifically.

Businesses

Commercial AC repair involves RTUs, multi-zone systems, and tenant space configurations with different diagnostic and scheduling requirements. If you need AC repair for a commercial property, see details on our Commercial AC Repair page.

AC Maintenance

Most residential AC breakdowns we see in peak season trace back to deferred maintenance. Regular service catches the kind of wear that leads to repair calls before it becomes a breakdown. Once your repair is complete, a maintenance plan keeps the system running through the rest of the season and into the next.
Want to stay ahead of repairs? Take a look at our AC Maintenance page.

AC Tune-Up

If your system is running but underperforming, a tune-up may resolve the issue before it becomes a full repair call. Our AC Tune-Up page covers what a pre-season service visit includes.
See details on our AC Tune-Up page.

AC Installation

If your system is past the point where repair makes financial sense, replacement is often the better path. We install all major brands and handle sizing, permitting, and commissioning as part of every job.
Thinking it might be time for a new system? Take a look at our AC Installation page.

Signs Your Home AC Needs Repair

Las Vegas AC systems do not always fail completely before showing signs of trouble. Catching a problem early usually means a simpler, less expensive fix. Call us if you notice:

The system is running but not cooling the home to setpoint
Airflow from vents feels weak or uneven across rooms
The outdoor unit is running but the indoor unit is not blowing cold air
Ice is forming on the indoor coil or refrigerant lines
The system is short-cycling, turning on and off every few minutes
You hear grinding, rattling, banging, or squealing from the indoor or outdoor unit
Energy bills jumped without a change in usage
Water is pooling around the indoor air handler
The system will not turn on at all
Certain rooms stay significantly warmer than others regardless of runtime

In Las Vegas summer heat, a system that is struggling but not completely down can turn into a complete failure quickly. Getting a technician out sooner prevents a manageable repair from becoming a full replacement.

Check your breaker panel for a tripped breaker on the air handler or outdoor unit
Confirm the thermostat has power, is set to cool, and the setpoint is below current room temperature
Check the filter if you can access it safely. A clogged filter restricts airflow enough to cause the indoor coil to ice over and can shut the system down entirely.
Check that the condensate drain pan is not overflowing, which would trip the float switch and shut the system down

Repair vs. Replace for Residential AC in Las Vegas

We get this question on most calls where a system is older or has had recent problems. Our answer is always based on the actual numbers.

Not every aging system needs to be replaced, and we are not in the business of pushing new equipment when a repair will get you years of additional service. A single targeted fix on a system that is otherwise healthy is almost always the smarter financial decision. Repair is the right call when:

The system is under 10 years old
It is a single issue, not a pattern of recurring failures
The system has been maintained and is otherwise in good condition
The repair cost is well under half the price of a new system

A capacitor, contactor, refrigerant recharge, or drain line repair on an otherwise healthy system is a straightforward fix with years of useful life left in the equipment.

The system is 12 to 15 years old or older
You have had multiple major repairs in recent seasons
The compressor has failed and repair cost approaches the price of a new unit
The system still uses R-22 refrigerant. New production and import ended in 2020 and service now relies on reclaimed and recycled supply, which continues to shrink while cost rises.
The system consistently fails to hold setpoint during peak Las Vegas summer temperatures despite repairs
Refrigerant loss keeps recurring, pointing to a chronic leak that repairs have not resolved

We give you the numbers for both options on every call and let you decide. If repair makes sense, we say so. If it does not, we explain exactly why.

Schedule a Diagnostic

Where We Repair Residential AC Systems in Las Vegas, NV

Pure Plumbing & Air handles residential AC repairs across Las Vegas and the surrounding valley. Our trucks are stocked with the parts most repairs need, and our technicians know the range of home configurations and AC system types common across different parts of the valley.

What you get with us:

Las Vegas
Henderson
North Las Vegas
Summerlin
Spring Valley

Enterprise
Paradise
Blue Diamond
Boulder City

If you are nearby and do not see your area listed, give us a call. We may still be able to help.

Why Choose Pure Plumbing & Air for Residential AC Repair in Las Vegas

There are a lot of HVAC companies in Las Vegas, and most of them make the same promises. What sets Pure Plumbing & Air apart is how we actually run the call, from the first phone conversation through the verified repair. Here is what that looks like in practice:

Diagnosis before recommendations: Full system evaluation and firm pricing before any work starts. No guessing, no surprise charges after the fact.
Same-day service: We answer the phone 24/7 and dispatch quickly. Most residential repairs are completed the same day you call.
Stocked trucks: Common residential AC parts ride with us. Fewer return trips, faster fixes.
Honest repair vs. replace calls: If fixing it makes sense, we fix it. If it does not, we explain why with actual numbers.
All major residential brands: Lennox, Trane, Carrier, Goodman, Rheem, American Standard, Daikin, and more. Our technicians are trained on both older equipment and current models.
Licensed and insured: Nevada contractor licenses #77906 and #88741. Every technician is background checked.
No upselling: We fix what is broken. That is it.
Pure Plan members get priority scheduling, no emergency fees, and discounts on parts and repairs. Ask us about membership when you call.
Family-owned since 2013. A+ BBB rated, licensed, bonded, and insured in Nevada.

Be Sure, Call Pure! (725) 246-0697

Plumbing Services we Offer Include

Residential AC Repair FAQs for Las Vegas, NV

Cost depends on what needs fixing. Minor repairs like a capacitor replacement or refrigerant recharge typically run between $150 and $400. Larger repairs involving a failed contactor, blower motor, or control board run higher. Compressor replacement on an older system often approaches the cost of a new unit, which is when we have the replacement conversation. We give you a firm price after the diagnostic so you know exactly what to expect before we start.

Yes. Same-day service is available for most Las Vegas and Henderson locations. We also provide 24/7 emergency repairs for situations that cannot wait, including nights, weekends, and holidays.

The most common causes are a failing capacitor reducing compressor performance, a refrigerant leak, a dirty condenser coil restricting heat rejection, or a clogged filter restricting airflow. Las Vegas dust loads accelerate coil and filter buildup, so restricted airflow is a more frequent culprit here than in most markets. We confirm the cause through diagnostic readings before recommending a repair.

Ice on the indoor coil or refrigerant lines usually points to restricted airflow, low refrigerant charge, or both. A clogged filter, dirty evaporator coil, or closed supply vents can all cause airflow restriction severe enough to freeze the coil. Low refrigerant from a leak drops suction pressure and causes the same result. We check both during every diagnostic.

If the system is under 10 years old and the repair is a single issue costing well under half the price of a new unit, repair usually makes sense. If it is past 12 to 15 years, has needed multiple major repairs recently, or cannot hold setpoint during peak Las Vegas heat, replacement tends to make more financial sense. We go through both options with actual numbers on every call.

We repair all major residential brands including Lennox, Trane, Carrier, Goodman, Rheem, American Standard, Daikin, and more. Our technicians are trained on both older equipment and current models across all major system types.

Yes. A severely clogged filter restricts airflow enough to cause the evaporator coil to ice over, which can shut the system down entirely. Las Vegas dust loads mean filters clog faster than standard replacement schedules assume. If your system has stopped working or is blowing warm air, checking the filter is always the first step before calling for service.

Check your breaker panel for a tripped breaker, confirm the thermostat is set correctly and has power, and check the filter if you can access it safely. In summer heat, an overnight AC failure can become a safety issue quickly, particularly for elderly residents, children, and pets. We provide 24/7 emergency residential AC repair across Las Vegas and the surrounding area.

Customer Testimonials

"We had a water leak and we found Pure Plumbing on the internet with wonderful reviews. I called and now I know why they have great customers reviews. The person who answered the phone was very understanding of our emergency and booked an appointment in the same day. Mike, the technician that came for our issue, was on time, professional and very knowledgeable. He took the time to explain the problem clearly and he fixed it immediately. I would highly recommend Mike and Pure Plumbing to anyone in need of a reliable and skilled plumber."

Yasodara C.

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Pure Plumbing & Air

Residential AC Repair in Las Vegas, NV

What Residential AC Repair Covers

What We Check Before We Quote Anything

Common Residential AC Repairs in Las Vegas

Residential vs. Commercial AC Repair

Homes

Businesses

AC Maintenance

AC Tune-Up

AC Installation

Signs Your Home AC Needs Repair

Repair vs. Replace for Residential AC in Las Vegas

Where We Repair Residential AC Systems in Las Vegas, NV

What you get with us:

Why Choose Pure Plumbing & Air for Residential AC Repair in Las Vegas

Plumbing Services we Offer Include

Residential AC Repair FAQs for Las Vegas, NV

How much does residential AC repair cost in Las Vegas, NV?

Does Pure Plumbing & Air offer same-day residential AC repair in Las Vegas?

Why is my home AC running but not cooling in Las Vegas?

Why is my AC freezing up inside my Las Vegas home?

How do I know if my home AC needs repair or replacement in Las Vegas?

What residential AC brands does Pure Plumbing & Air repair in Las Vegas?

Can a dirty filter cause my home AC to stop working in Las Vegas, NV?

What should I do if my home AC stops working overnight in Las Vegas?