Furnace & heating
AC repair
Heat pumps
Ductless mini splits
Carrier
Trane
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 estimateHVAC Company in Las Vegas, NV
Coldharbour Heating & Air is the Las Vegas HVAC company homeowners call when a system fails in the middle of a 112-degree afternoon and the last company wouldn’t pick up. We’re an independently operated member of the Kingswell network, which means every job here runs by a written set of rules: a price before the work starts, a firm arrival window, a clean job site, and a 365-day guarantee on every repair. If you’re searching for HVAC help in Las Vegas, call (725) 726-3813 and you’ll get a live person, any hour, any day.
Why Las Vegas Homes Are Different
Las Vegas housing stock runs on two speeds: a huge wave of stucco tract homes built from the 1980s through the 2000s, and a newer wave of larger two-story builds in the southwest and northwest. The older homes on the east side and central Las Vegas often still carry original ductwork designed for an era when a swamp cooler was considered cooling. When a homeowner swaps that evaporative cooler for central air without touching the ducts, the system inherits a bottleneck: undersized returns and long flex runs that make the AC work harder than it should. That’s the single most common call pattern we see across Las Vegas.
The climate compounds everything. Las Vegas gets more than 100 days above 100°F every year, and the overnight low in July often never drops below 85°F. That means equipment runs almost without pause from June through September. Add monsoon-season dust storms that coat condenser coils in fine silt, plus Lake Mead’s hard water that scales up anything that carries moisture, and you have a maintenance picture no other market in the country really matches. When a Las Vegas technician says “your system is running hot,” it usually means all three of those factors are in play at once.
We also see a lot of dark-colored tile roofs on homes built in the mid-2000s. Those roofs absorb heat all day and radiate it into the attic long after sunset, which pushes extra load onto the AC at exactly the hour most families are trying to cool the house down for sleep. Newer southwest Las Vegas communities like Mountain’s Edge and Southern Highlands often have tighter envelopes but undersized return-air setups, which creates a different flavor of the same problem: a system that cools unevenly and short-cycles.
Styles & brands we work with
Why Coldharbour Runs on Written Promises
Victor Mancini, who leads Coldharbour Heating & Air, spent enough years watching Las Vegas homeowners get burned by vague quotes and disappearing contractors that he built the company around a simple idea: write it down. The Kingswell Way has five rules we don’t bend on. We state the price before the work. We show up in the window we promised. We leave the site cleaner than we found it. We put the guarantee on paper. And if a repair fails, we come back and make it right at no charge. That last one is our 365-Day Done Right Promise, and it applies to every repair we perform in Las Vegas, no exceptions and no fine print.
Every technician who rolls to a Las Vegas home is background-checked and uniformed. They carry the training to work on nine major residential brands, so the person at your door can handle whatever is already installed. And when you call, a live person answers. No voicemail tree, no “leave a message and we’ll get back to you tomorrow.” At 2 a.m. in August, someone at Coldharbour picks up the phone.
Our Main Las Vegas Services
Las Vegas homeowners call us most about two things: an AC that quit in the heat, and a furnace that won’t fire on the handful of genuinely cold desert nights. Here’s what each job looks like in Las Vegas, with a full page for each.
AC Repair in Las Vegas
Most Las Vegas AC repair calls start the same way: the thermostat is set to 74, the outdoor unit is running, and warm air is coming out of the vents. In Las Vegas, that often traces back to a clogged condenser coil from monsoon dust, a capacitor that gave out after months of nonstop runtime, or a frozen coil caused by the undersized ductwork so common in older east-side homes. Our technicians diagnose the full system, hand you a written price before any work starts, and carry the parts to fix most failures on the first visit. Full details are on our AC Repair in Las Vegas page.
Furnace Repair in Las Vegas
Las Vegas furnaces don’t run for months at a time, which creates its own failure pattern: igniters that crack from sitting idle, gas valves that stick on the first cold snap, and blower motors that seize after a summer of dust accumulation. When a desert cold front drops temperatures into the 30s, a furnace that hasn’t run since March needs a real ignition sequence check, not a quick reset. We handle that work the same way as AC repair: a written price upfront, a clean repair, and a 365-day written guarantee. See our Furnace Repair in Las Vegas page for specifics.
AC Installation in Las Vegas
Installing a new AC in Las Vegas is not a one-size-fits-all job. A 1,400-square-foot 1990s stucco home in central Las Vegas needs a different load calculation than a 3,200-square-foot two-story in Summerlin. The dark tile roofs common on 2000s-era tract homes add heat load that a generic sizing chart misses. We size every system by measuring the house, checking the existing ductwork, and accounting for how Las Vegas actually runs AC: hard, daily, for five months straight. Learn more about AC Installation in Las Vegas.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Las Vegas
Our technicians are trained to service major residential HVAC brands including Carrier, Trane, Lennox, and American Standard, among others. We stock common replacement parts for those systems on our Las Vegas trucks, which means many repairs finish same-day without waiting on a parts house delivery. See our brands page for the full list.
See the difference
Before
After
Before
After
Before
AfterPricing for HVAC Company in Las Vegas, NV
| Service | Typical range in Las Vegas |
|---|---|
| AC repair | $150 – $650 |
| Furnace repair | $150 – $700 |
| AC installation | $3,500 – $7,500 |
| Seasonal tune-up | $80 – $200 |
What pushes a Las Vegas job toward the higher end of those ranges is usually the same list: a system that’s been running nonstop for months, a home with undersized ductwork forcing the equipment to overwork, or a repair that’s been ignored long enough to cascade. The price we quote is the price you pay. It’s written down before we touch a tool, and it doesn’t change at the door.
Neighborhoods We Serve in Las Vegas
Coldharbour Heating & Air covers the entire Las Vegas valley. Our Las Vegas office dispatches crews across the metro every day, and typical response time runs within the same day for most neighborhoods. Some of the areas we service regularly:
- Summerlin
- Henderson
- Centennial Hills
- Spring Valley
- Paradise
Service Area – Cities Near Las Vegas
Beyond Las Vegas proper, our technicians also serve neighboring communities on the north side of the valley. We cover North Las Vegas, NV and the communities around Nellis AFB, NV, including residential neighborhoods on and near the base. If you’re unsure whether we reach your address, call (725) 726-3813 and a live person will confirm it immediately.
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.
FAQs About HVAC Company in Las Vegas
We answer every call live and dispatch from our Las Vegas office the same day you call. For a system down in extreme heat, we prioritize emergency calls and typically arrive within hours, not days. In July and August, we carry extra crews to keep response times short.
Some Las Vegas HOAs require written notice or pre-approval before a full AC replacement is installed, especially in Summerlin and newer master-planned communities. We can confirm your HOA’s specific requirements and help with the paperwork, but we encourage calling us before you sign anything so we can check your community’s rules together.
Yes. Our Las Vegas technicians work on all major residential brands, including Carrier, Trane, Lennox, American Standard, and others. If you’re not sure what’s installed, our technician identifies it during the visit and checks whether the system still has manufacturer warranty coverage before recommending any repair.
When your HVAC system needs a professional in Las Vegas, call Coldharbour Heating & Air at (725) 726-3813. Victor Mancini and our Las Vegas team answer live, every hour of every day, and every job comes with a written price and a written guarantee before the first tool comes out.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Las Vegas Customers Say
"New mini split for the addition. Clean install, on time two days running, and the price matched the written quote to the dollar."
- Yvonne Prewitt"AC quit on the hottest day of the year of course. Coldharbour had a tech out that evening, found a bad capacitor, and had us cool again within the hour. Charged the quote, not a penny more."
- Doug Feeney"Signed up for a tune up before summer. He found a part starting to fail and showed me the reading, didn't just tell me to trust him. Fixed it then so we wouldn't get stuck in July."
- Sophia Tran