AC repair
Furnace & heating
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Carrier
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GoodmanSeasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
Get your free estimateTrusted AC Repair for Las Vegas Homeowners
When your air conditioner quits in July, the heat inside a Las Vegas house climbs past 90 degrees within hours. You need a repair team that answers the phone, shows up in the window promised, and fixes the problem for a price you saw in writing before any work began. Cold Harbour Heating and Air Las Vegas has served homeowners across the valley since 2003, led by Victor Mancini and backed by the Kingswell network’s written standards. Our technicians service all major residential brands and arrive in uniform, background-checked, with the parts most Las Vegas AC failures require already on the truck. Call (725) 726-3813 for same-day AC repair in Las Vegas, Paradise, Whitney, and surrounding neighborhoods.
Most AC repairs in Las Vegas run $150 – $650 depending on the part that failed and how far the technician has to travel. We hand you a written price before a single tool comes out. That price does not change at the door. Every repair carries our 365-Day Done Right Promise: if the fix fails inside a full year, we return and correct the work at no charge. You’ll have that guarantee on paper before our technician leaves your driveway.
AC Maintenance
Our AC Repair Maintenance Checklist for Las Vegas Homeowners covers preventive work that keeps your cooling system running efficiently and catches small problems before they strand you in 110-degree weather. In the Las Vegas valley, HVAC equipment ages fast because the cooling season runs eight months or longer, and dust from the surrounding desert works its way into coils and filters. Cold Harbour Heating and Air Las Vegas performs comprehensive tune-ups that cost $80 – $200, including coil cleaning, refrigerant pressure checks, electrical connection tightening, and capacitor testing. We recommend maintenance every spring before the first serious heat wave hits, and again in late fall if your system runs year-round.
Seasonal Preparation Check
Our technician inspects the outdoor condenser for bent fins, debris buildup, and wear from monsoon-season dust storms. We also test the thermostat calibration so the temperature on your wall matches the temperature in the room. Victor Mancini insists his team leave every home with a written report of what was checked and what needs watching.
Free Second Visit for Missed Issues
A maintenance visit should not create surprises later. If a component we inspected fails within 30 days of your tune-up, call us and we’ll return to address it at no charge. That’s how The Kingswell Way works: we say the price before the work, show up in the window given, and leave the place cleaner than we found it.
Styles & brands we work with
AC Service
AC Service covers the full range of troubleshooting, repair, and performance work on residential cooling systems, from a quick diagnostic visit to a complete system evaluation. You need AC Service when your unit makes unusual noises, short-cycles, blows weak airflow, or no longer reaches the temperature on the thermostat. Cold Harbour Heating and Air Las Vegas charges $150 – $650 for most AC Service calls in Las Vegas, which includes the diagnostic fee, labor, and standard parts if a repair is made. We tell you the exact number before starting, so there are no door-surprises.
Same-Day Diagnostic Visits
During AC Repair in Las Vegas peak season from May through September, our technicians run diagnostics across the valley daily. We stock more than 200 common capacitors, contactors, fan motors, and refrigerant types on every truck. That’s why a high percentage of our AC Service visits are completed in a single trip.
The Kingswell Way on Every Call
Every service visit follows the same written standards. The technician shows up in the scheduled window, walks you through the diagnosis in plain English, hands over a written quote before starting, and cleans the work area when finished. That’s not a special request. It’s how Cold Harbour has operated since 2003 and how every Kingswell technician is trained.
AC Unit Repair
AC Unit Repair addresses failures in the outdoor condenser unit, the indoor air handler, or the connected components that keep both halves working together. In Las Vegas, prolonged exposure to sun, sand, and triple-digit heat means condenser coils and capacitors fail more often than in cooler climates. Cold Harbour Heating and Air Las Vegas charges between $150 – $650 for most AC Unit Repair jobs, and we include a written 365-day guarantee on every repair. If the same part fails inside a year, the second visit is completely free.
Outdoor Condenser Troubleshooting
The outdoor unit takes a beating from Las Vegas heat. We check the compressor, fan motor, contactor, capacitor, and coil in that order, because that sequence isolates the most common failure points fastest. Our technicians also inspect for refrigerant leaks using electronic detectors and UV dye when needed, not guesswork.
Indoor Air Handler Repair
Sometimes the problem isn’t the condenser outside but the air handler inside your garage or attic. Blower motor failures, frozen coils, and clogged condensate lines all live here. We fix these issues in place whenever possible, and we always explain the trade-off between repairing and replacing before any money changes hands.
AC Capacitor Replacement
AC Capacitor Replacement replaces the cylindrical electrical component that stores energy and kick-starts your compressor and outdoor fan motor. In Las Vegas, capacitors fail frequently because the desert heat shortens their lifespan to roughly five to seven years instead of the ten-plus they might reach in milder climates. Cold Harbour Heating and Air Las Vegas replaces standard capacitors for between $150 – $450 including the part and labor, and the repair is covered by our 365-Day Done Right Promise. A failed capacitor is one of the most common reasons an AC unit hums but won’t start.
Capacitor Testing on Every Call
Our technicians test every capacitor with a digital capacitance meter before replacing anything, because there’s a difference between a part that reads weak and one that has already failed completely. We’ll show you the meter reading and explain what it means. You approve the replacement price before we install the new part.
Dual-Run vs. Start Capacitor
Some systems use a dual-run capacitor that serves both the compressor and the fan; others have separate capacitors for each function. Identifying which one you have matters for correct replacement. Our techs replace both styles, stock them on the truck, and can often complete an AC Capacitor Replacement in under an hour.
AC Recharge
AC Recharge means restoring the refrigerant (the cooling fluid your AC uses to pull heat from the air) to the manufacturer’s specified level. Low refrigerant is nearly always caused by a leak, so Cold Harbour Heating and Air Las Vegas performs a proper leak search before adding anything. A standard AC Recharge in Las Vegas runs $250 – $650 depending on the refrigerant type (R-410A vs R-22), how much is needed, and the time required to find and seal the leak. We never simply top off refrigerant and leave, because a leak that goes unfixed will empty again in weeks.
Refrigerant Leak Detection
Finding a refrigerant leak isn’t usually about seeing oil stains. We use electronic sniffers and, for stubborn leaks, ultraviolet dye or nitrogen pressure testing. Once the leak is found, we give you options for repair, including the cost of replacement parts like coil or line set. The price is written down before we start.
Topping Off vs. Proper Recharge
“Topping off” means adding refrigerant without fixing the leak. It’s cheaper in the short term but illegal in many cases and always wasteful. A proper AC Recharge brings the system to the exact pressure and weight the manufacturer specifies. That’s the only kind of AC Recharge Cold Harbour does, and it is covered by the same written 365-day guarantee.
Emergency AC Repair
Emergency AC Repair is same-day or next-day service for cooling failures that put your household at risk, especially when outdoor temperatures in Las Vegas exceed 100 degrees. Cold Harbour Heating and Air Las Vegas answers the phone with a live person 24 hours a day, 7 days a week, so you’ll never reach a voicemail tree when your AC dies at 8 p.m. on a Sunday. Emergency visits in Las Vegas typically run $150 – $650 including the diagnostic and standard repair, with no overtime charge. Call (725) 726-3813 anytime your system fails.
Overnight and Weekend Coverage
Our emergency line is staffed by real people at all hours. When you call, we ask targeted questions about your system so the technician who comes out has the right parts loaded. Most emergency calls are quoted and repaired in a single visit, even at 1 a.m. on a holiday.
Same-Day Response Windows
When your AC is down in July, waiting until tomorrow can make a bad situation dangerous, especially for older adults, infants, and people with respiratory illness. We give you a firm arrival window when you call and we hold to it. That’s the Kingswell standard: show up in the window given.
AC Not Blowing Cold Air
AC Not Blowing Cold Air is the single most common symptom homeowners in Las Vegas call about during summer, and it has at least six different possible causes, from a dirty filter to a failed compressor. The good news is that roughly 70 percent of these calls turn out to be relatively easy fixes: a clogged filter, a tripped breaker, a bad capacitor, or needing an AC Recharge. Cold Harbour Heating and Air Las Vegas diagnoses AC Not Blowing Cold Air for $150 – $650 all-in for most repairs, and you’ll know the exact cost before we start. If the repair fails inside 365 days, we come back free.
Common Culprits We Find in Las Vegas
During peak season in the valley, our technicians repeatedly find the same issues: dust-packed filters from monsoon winds, capacitors weakened by prolonged heat, refrigerant leaks at coil connections, and condensate drain clogs from hard water scale. We check each in order and explain what’s wrong in terms you can use, not tech-speak.
When Low Airflow Is the Real Problem
Sometimes the system is cooling but the fan isn’t moving enough air, so the house never feels cool. Frozen coils, undersized ductwork, or a failing blower motor can cause this. Our diagnostic test separates airflow problems from refrigeration problems so you don’t pay for a repair that won’t solve the comfort issue.
Brands We Service
Lennox: We’ve serviced Lennox residential systems across Las Vegas for more than two decades, from the older Merit series to newer high-efficiency models. Our technicians are trained on Lennox-specific control boards and variable-speed compressors, and we can source parts quickly from local distributors.
Goodman: Goodman systems are common in Las Vegas new construction in neighborhoods like Aliante and AC Repair - North Las Vegas areas, and our techs know their quirks. From Daikin-compatible components to simple capacitor replacements, we diagnose Goodman units accurately and repair them the same day in most cases.
Rheem: Rheem’s heat pumps and condensers hold up reasonably well in desert climates, but their run capacitors and contactors age just like everyone else’s. Cold Harbour Heating and Air Las Vegas has repaired hundreds of Rheem units in Spring Valley and Summerlin and stocks the parts we need for common failures.
Whether you have a York system in a Sunrise Manor condo or any other make, our techs walk in knowing how to service it. That’s the point of training on nine major residential HVAC brands, including Carrier, Trane, and American Standard. Home comfort repairs should never be brand-limited.
See the difference
Before
After
Before
After
Before
AfterSigns You Need a Pro Right Now
- Warm air blowing from vents: If the air feels warm or only slightly cool, your compressor may not be running or refrigerant may be critically low. In Las Vegas summer heat, this is urgent, because indoor temperatures climb fast and strain everything else in the home.
- Outdoor unit hums but won’t start: A humming sound usually points to a failed capacitor or a locked compressor. Continuing to run power to a seized compressor can cause more damage, so call us and let a trained technician diagnose it without risk.
- Ice on the refrigerant lines or coil: Ice means airflow or refrigerant is far out of spec, and running the system in this condition can permanently damage the compressor. Shut it off and call for service rather than trying to scrape the ice away.
- Burning or electrical smell: A burning smell from your vents or the outdoor unit can signal a failing blower motor, overheating wiring, or a shorted component. This is a fire hazard in the making and needs a professional inspection immediately.
- Water around the indoor unit: Water pooling near the air handler or furnace means the condensate drain is clogged or the pan is cracked, which can damage ceilings and drywall in Las Vegas homes with attic units. Faster to fix now than to replace sheetrock later.
Our Process, Step by Step
- 1
Call and talk to a live person: When you call (725) 726-3813, you reach a real dispatcher who gathers details about your system and symptoms. We give you a firm arrival window on that call, and we text or call to confirm when the technician is on the way.
- 2
Technician arrives, inspects, and explains: Your uniformed, background-checked technician walks through the system with you and shares what they find. We use digital manifold gauges, capacitance meters, and thermal cameras where needed to identify the exact fault. You get the diagnosis in plain English.
- 3
Written quote before any work: Before a single tool comes out for a repair, you see a written price that includes parts, labor, and any applicable fees. That price does not change at the door. That’s The Kingswell Way, and we hold to it on every single job.
- 4
Repair and cleanup: The technician makes the repair, tests the system thoroughly, and then cleans the work area. We want the space left as clean as or cleaner than we found it. You’ll see the tool-back-out walkthrough before we leave.
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Written 365-day guarantee: Every repair comes with our 365-Day Done Right Promise in writing. If the same repair fails within one year, the second visit and correction are free. That’s the Cold Harbour difference, and it has been since 2003.
How Much Does AC Repair Cost in Las Vegas?
A typical AC repair in Las Vegas costs between $150 – $650, with most homeowners paying between $225 and $425 for common failures like capacitor replacement, contactor swaps, or a refrigerant leak fix. The exact price depends on the part, the age and brand of your system, the refrigerant type, and the time required to diagnose and confirm the fix. We always give you a written price before starting, so you’ll never see a number that surprises you at the end.
- Capacitor replacement: $150 – $450
- Contactor replacement: $150 – $375
- AC recharge (with leak search): $250 – $650
- Fan motor replacement: $300 – $650
- Diagnostic-only visit: $89 – $150, waived if you approve the repair
Factors that affect the price in Las Vegas include your location, since drive times to Summerlin, Aliante, or Sunrise Manor vary, and whether your system uses R-22 refrigerant, which is now more expensive due to the phase-out. We never charge overtime for nights or weekends. And a free estimate is exactly that: the diagnostic fee is waived when you approve the repair, and you’ll know the total before you commit. Compare our written quote against any other company in the valley and you’ll see why homeowners keep calling us back.
Our Service Area Near Las Vegas
Cold Harbour Heating and Air Las Vegas serves homeowners across Clark County, including AC Repair in Las Vegas, AC Repair in Paradise, and AC Repair in Whitney. We also cover Winchester, Sunrise Manor, North Las Vegas, Spring Valley, Nellis AFB, and Centennial Hills, with typical response times of 60 to 90 minutes during peak season. If you’re unsure whether we cover your neighborhood, call us. If we can’t get to you quickly, we’ll tell you straight.
Serving Las Vegas, NV - Our Local Coverage Area
We’re based in the Las Vegas area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
Frequently Asked Questions About AC Repair in Las Vegas
AC Repair is the work of diagnosing and fixing failures in your home’s cooling system, from a bad capacitor to a refrigerant leak to a failed compressor. During a Las Vegas summer, a working AC is not a luxury, it’s a safety issue, especially for children, seniors, and people with health conditions. Cold Harbour Heating and Air Las Vegas provides AC repair with a written price before the work starts and a 365-day guarantee on every fix. Call (725) 726-3813 for same-day service in most parts of the valley.
Most AC repairs in Las Vegas take 45 to 90 minutes once the technician arrives, depending on the part and your system’s location. Simpler jobs like capacitor or contactor replacement are often finished in under an hour. More involved work, such as a refrigerant leak search on a large property, may take two to three hours. We give you a realistic time estimate when you book, and we call if anything changes.
AC repair in Las Vegas typically costs between $150 and $650, with the most common repairs landing in the $225 – $425 range. The final price depends on the specific part, the brand and age of your system, and whether refrigerant is needed. Cold Harbour Heating and Air Las Vegas always provides a written quote before any work starts, and the diagnostic fee is waived when you approve the repair. Estimates are free, so call (725) 726-3813 and get a real number.
Yes, our technicians are trained on nine major residential HVAC brands, including Lennox, Goodman, Rheem, York, Carrier, Trane, Bryant, Daikin, and American Standard. We stock common OEM and aftermarket parts for all of these brands on our trucks. Whatever make your system is, the tech who shows up can work on it. Most Las Vegas homes have one of these brands installed, and we’ve seen just about everything the desert can throw at them.
Yes, Cold Harbour Heating and Air Las Vegas offers emergency AC repair 24 hours a day, 7 days a week, with a live person answering the phone at any hour. No overtime surcharges apply, and we aim for same-day service in most of the valley when you call before mid-afternoon. A failed AC in Las Vegas heat is a health risk for some people, and we treat it that way. Call (725) 726-3813 any time day or night.
Every AC repair we perform carries a written 365-Day Done Right Promise: if the repaired component fails inside one year, we return and correct the work at no charge. That guarantee is handed to you in writing before our technician leaves, not buried in fine print. It applies to parts and labor on the repair we performed. That’s the Kingswell standard, and it has been since Victor Mancini opened the doors in 2003.
Clear a path to the outdoor condenser unit and the indoor air handler, including trimming back shrubs or moving stored items if needed. If your unit is in the attic, make sure the technician can access the ladder safely. Have your thermostat set to “off” if the system is making odd noises, and note any recent symptoms so you can describe them. That’s all you need to do, our tech arrives with the diagnostic tools and common parts already on the truck.
Schedule Your AC Repair Service in Las Vegas Today
When your AC goes down in Las Vegas, you need a company that picks up the phone, shows up when it said it would, and stands behind the repair in writing. Cold Harbour Heating and Air Las Vegas has done exactly that since 2003. Call (725) 726-3813 today for a free estimate and same-day service across the valley. No overtime charges, no door-surprises, just a written price and a 365-day guarantee.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Las Vegas, serving Las Vegas since 2003.