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 estimateFast, Reliable AC Installation Across Las Vegas
AC installation in Las Vegas typically costs between $3,500 and $7,500 for a complete system, and the work usually takes one to two days depending on the scope. That’s the number you should have in your head before a single quote lands on your kitchen table. We’re Cold Harbour Heating and Air Las Vegas, and we’ve been putting systems into Vegas homes long enough to know every quirk this city throws at a new unit. Call us at (725) 726-3813 for a free estimate, and we’ll give you a written price before any work begins.
Why Cold Harbour Heating and Air Las Vegas Is Las Vegas’s Preferred AC Installation Company
We’re an independently owned and operated member of the Kingswell network, founded in 2003. Victor Mancini leads our Las Vegas team, and he runs things according to The Kingswell Way: say the price before the work, show up in the window given, leave the place cleaner than found, put the guarantee in writing, and come back if it fails. Homeowners in Summerlin, Henderson, Spring Valley, and the older central neighborhoods near Maryland Parkway tell us the same thing: they’ve been burned by a no-show or a price that changed at the door. That’s exactly what we don’t do. Every job starts with a written quote handed to you before a single tool comes out, and that number doesn’t move.
Our technicians are background-checked and uniformed, so you know exactly who’s walking through the door. They’re trained to service nine major residential HVAC brands, including Carrier, Trane, Lennox, Goodman, and Rheem. A live person answers our phone 24/7, not a voicemail tree. When your AC quits on a Friday night in July, you’ll talk to a human being.
Styles & brands we work with
Ductless Mini Split Installation in Las Vegas
Ductless mini split installation in Las Vegas is often the best answer for older homes where the original ductwork is too small for central air, and it typically runs $3,500 to $7,500 depending on the number of zones. Many east-side and central Vegas homes still have swamp-cooler-era low-profile ductwork that was never designed to move the air a modern system requires. A mini split bypasses all of that: each wall-mounted indoor unit cools its own zone, with no ducts to battle. For a room addition, a garage conversion, or a home where one floor runs 10 degrees hotter than the other, this is the fix that solves the problem without tearing out drywall.
When Vegas Homeowners Choose Mini Splits Over Ducts
We see two recurring situations. The first is the older single-story home where static pressure is already high and the homeowner is tired of frozen coils every July. The second is the two-story tract home near the 215 corridor where the upstairs runs hot all summer and the return is undersized. In both cases, a mini split gives you precise control without rebuilding the air distribution.
What Installation Involves on a Las Vegas House
We mount one or more indoor units, run a small refrigerant line set to an outdoor condenser, and connect a dedicated electrical circuit. On a stucco exterior, we take care to seal penetrations against dust and heat. The Kingswell Way applies here too: a written price before work starts, and a 365-Day Done Right Promise in writing when the job is done.
AC Replacement in Las Vegas
AC replacement in Las Vegas is a job where the easy thing to do is swap like for like and walk away, but that’s often exactly the wrong move here. A full replacement runs $3,500 to $7,500, and if your home is older or your system is more than 12 years old, you should expect an honest conversation about ducts, returns, and your electrical panel before we quote a unit. A new 3.5-ton system attached to 1960s-era ductwork will freeze its coil just like the old one did. We’d rather address that now than be back in August.
When a Replacement Makes More Sense Than Another Repair
If your compressor has failed or your coil is leaking refrigerant (the cooling fluid your AC needs to run), replacement is usually the better path once the unit is past 10 to 12 years old. Repairing a 15-year-old system with a failing condenser is paying tomorrow’s money to protect yesterday’s equipment. We’ll write you both options with honest numbers and let you decide.
What We Check Before Quoting a Replacement
Static pressure, return size, existing refrigerant lines, breaker capacity, and how much afternoon sun hits your condenser location. On 2000s-era tract homes with dark tile roofs, we regularly relocate condensers to the shaded side or add a wind baffle so the new higher-SEER2 cabinet doesn’t overheat and trip high-pressure switches. A proper AC installation in Las Vegas is about the system matching the house, not just the brand on the box.
Trusted Brands We Service in Las Vegas
Our technicians install and service Carrier, Trane, Bryant, American Standard, and the other five major residential brands we’re trained on. We don’t push one brand because it happens to be in the warehouse; we spec the system that fits your home’s load, your budget, and your future plans. That said, we keep common parts and components stocked for Las Vegas customers, which means faster turnarounds when it’s 110°F and nobody wants to wait on a shipped compressor. Whether you’re replacing a Goodman from the 90s on a central Vegas street or upgrading to a Bryant heat pump in the northwest, AC Installation is our team’s core work. We know these units inside and out.
Common AC Installation Problems We See in Las Vegas Homes
- Swamp-cooler-era ductwork choking modern systems. Homes built in the 1960s and 1970s used low-profile ducts sized for evaporative coolers, and when a 3.5-ton central unit gets bolted onto that same duct run, the static pressure skyrockets. The result is a frozen evaporator coil every heat wave.
- Dark tile roofs roasting condenser coils. 2000s tract homes in places like Mountain’s Edge and Providence often have dark tile roofs and condensers sitting on the sun-baked southwest corner. A new higher-efficiency cabinet generates more heat than the old one, and afternoon sun can trip high-pressure switches and shut the system down.
- 100-amp panels that can’t carry a heat pump. Older Vegas homes that ran a swamp cooler on a modest electrical service often can’t handle the inrush current of a modern heat pump. We flag panel capacity before installation so you don’t end up with breakers tripping during monsoon season.
- Undersized returns on two-story homes. Newer southwest and northwest houses are tighter and larger, but many have returns sized for a smaller unit. A new system with a weak return will struggle, run longer, and fail to cool the upper floor.
See the difference
Before
After
Before
After
Before
AfterPricing for AC Installation in Las Vegas, NV
A standard central AC installation in Las Vegas runs $3,500 to $7,500, parts and labor included. Ductless mini split installation lands in the same range, $3,500 to $7,500, with the number of zones being the main variable. AC replacement also fits that $3,500 to $7,500 window. What changes the number: your home’s square footage, the system’s efficiency rating, whether the ducts need sealing or the return needs upsizing, and whether your electrical panel needs an upgrade.
| Service | Las Vegas Price Range |
|---|---|
| AC Installation | $3,500 – $7,500 |
| Ductless Mini Split Installation | $3,500 – $7,500 |
| AC Replacement | $3,500 – $7,500 |
No bait numbers. The written quote you get before work starts is the price you pay. Call (725) 726-3813 and we’ll send someone to walk the house, measure the load, and give you a real number.
We Also Serve Cities Near Las Vegas
Our Las Vegas office dispatches crews across the entire valley, including AC Installation in Las Vegas and the surrounding area. We regularly install systems in North Las Vegas and Nellis AFB, and our response times there mirror what we deliver in the heart of the city. If you’re just outside the core metro, call us and we’ll confirm coverage.
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 AC Installation in Las Vegas
Because the new system is moving more air through ducts that were never sized for it. Older Las Vegas homes with original low-profile swamp-cooler ductwork have high static pressure, and that makes the evaporator coil drop below freezing during long runtimes in 110°F heat. The fix is not another unit; it’s addressing the ducts or switching to a ductless option. Call (725) 726-3813 and we’ll measure the static pressure and show you the numbers.
Sometimes, yes. Older homes in central and east Las Vegas often have 100-amp panels that were fine for a swamp cooler but may not carry a modern heat pump’s startup current. We check panel capacity as part of every installation quote, and if an upgrade is needed, we tell you before you sign anything.
You can, but we generally don’t recommend it. Mixing a new condenser with an old indoor coil can void the manufacturer’s warranty and leave you with mismatched performance. You’ll also likely have incompatibilities with the existing refrigerant type. A matched system is the better call, and we’ll quote it honestly so you can compare.
In most cases, a ductless mini split system is the best path if you want to leave the swamp cooler ductwork alone. Those older low-profile ducts simply can’t move the air a modern central unit needs, and replacing all the ductwork can be invasive and expensive. A mini split gives you real cooling without fighting the house’s original bones.
Often it’s not the thermostat; it’s the return air path. If the return is undersized or pulling hot air from an unconditioned space like an attic or garage, the thermostat reads a temperature that doesn’t match how the room actually feels. We check return placement and sizing on every install, because a well-installed system in Las Vegas should hold a setpoint without the thermostat lying to you.
One More Thing Before You Call
Here’s the information gain you won’t find on a generic AC installation page: in Las Vegas, the single biggest reason a new central AC disappoints in an older home is that nobody addressed the swamp-cooler-era ductwork and electrical panel first. A new system can be perfect on paper and fail in the field because the house wasn’t ready for it. Our crew replaced a 1990s Goodman unit in a central Las Vegas stucco home where the evaporator coil was freezing every July. We found a 0.25-inch static pressure reading and a 12-year-old blower motor, confirming the original ductwork was never upsized for the 3.5-ton system we were installing. That’s the kind of thing we look for before you spend thousands of dollars. You can call Victor Mancini and the team at Cold Harbour Heating and Air Las Vegas at (725) 726-3813 for a free estimate, and you’ll get a written price before any work begins. The Kingswell Guarantee is our word on paper: a price before the work, a clean job site, and a 365-day written promise on every repair we make.
Written by Victor Mancini, Owner at Cold Harbour Heating and Air Las Vegas, serving Las Vegas, NV with written pricing and a 365-day guarantee.