Air Supply Cooling
Air Supply Cooling › AC Installation

AC Installation in Las Vegas

A condenser unit on a concrete pad beside a stucco house wall with copper lines and gravel.

We size, replace, and install air conditioning systems built for desert load.

Learn More

We size, replace, and install air conditioning systems built for desert load. Our crews remove the old unit, set the new condenser, and commission it to spec. Proper AC installation keeps Las Vegas homes cool and bills lower.

Highlights

  • Units over 12–15 years old
  • Repairs costing more than half a new system
  • Rooms that never cool evenly
  • Owners wanting lower summer power bills
Gloved hands flare a copper refrigerant line with a hand tool beside a cutter and wrench.

Good to know

SEER2
The 2023 efficiency rating standard — higher means lower running cost
Load calculation
A Manual J sizing that matches the unit to your home, not guesswork
Tonnage
Cooling capacity; a typical valley home runs 3–5 tons

AC Installation details

How an install day runs

SystemInstalled PriceNotes
14.3 SEER2 single-stage AC$6,500 – $9,500Good builder-grade replacement
High-efficiency two-stage system$9,500 – $14,000Quieter, lower bills
Full AC + furnace changeout$12,000 – $18,000Matched system, best longevity

How an install day runs

  1. We perform a load calculation to size the system right
  2. We protect floors and remove the old equipment
  3. We set, braze, and charge the new system
  4. We register the warranty and walk you through the thermostat

Visit Air Supply Cooling →

When to Replace vs. Repair Your AC in Las Vegas

A few clear signs tell you it is time for a new system instead of one more fix.

Las Vegas summers push an air conditioner harder than almost anywhere in the country, and that heat wears parts out faster. So the "repair or replace" question comes up sooner here than in milder climates. Three things help you decide. The first is age: most systems last 12 to 15 years in the valley, and once a unit passes that mark, breakdowns tend to cluster. The second is repair cost — if a single repair runs more than half the price of a new system, replacement is usually the smarter spend. The third is how often it breaks. If you have called for AC repair in Las Vegas two or three times in one season, the unit is telling you it is near the end. A system that still cools well and only needs a small part is worth keeping, and steady AC maintenance in Las Vegas can stretch its life a few more years.

What a Proper AC Installation Involves in Las Vegas

A good install is more than swapping one box for another. It starts with a load calculation, called a Manual J, which measures your home's square footage, insulation, windows, and sun exposure to find the right size. Skipping this step is the most common install mistake in the valley. From there, a proper job includes pulling the required permit, checking and sealing ductwork so cooled air does not leak into the attic, and setting up a matched thermostat. The crew then places the condenser, brazes the line set, pulls a vacuum, and charges the system to the maker's spec before testing airflow room by room.

Choosing the Right AC System for Las Vegas Heat

Two numbers matter most: size and efficiency. Size is measured in tons, and most valley homes need 3 to 5 tons. Bigger is not better — an oversized unit cools in short bursts, leaves rooms muggy, and wears out sooner. Efficiency is measured in SEER2, the rating standard set in 2023. A higher SEER2 unit costs more up front but uses less power during the long cooling season, which matters when your AC runs from April through October. For most Las Vegas homes, a right-sized 15 to 17 SEER2 system is the sweet spot between price and monthly savings.

What Affects AC Installation Cost in Las Vegas

There is no single price for a new system because several factors move the total. The main ones are the size and SEER2 rating you choose, whether you replace just the AC or the AC and furnace together, and the shape of your current ductwork. Homes that need duct repairs, a new line set, or electrical updates cost more than a clean, like-for-like swap. Permit fees and the difficulty of the install spot — a tight attic or a rooftop unit — also play a part. The best way to learn your number is a load calculation and an in-home quote, not a phone estimate.

The Best Time to Install a New AC in Las Vegas

The smart time to replace a system is spring or early fall, before the first 110-degree stretch. When a unit fails in July, you are choosing fast under pressure and competing for crew time with every other overheated home in town. Planning ahead lets you compare systems, get the sizing right, and schedule the work on your terms. Homeowners in Henderson and across the valley who replace before summer avoid the worst of the heat and the busiest part of our calendar.

A technician kneels with a level on a condenser cabinet, seen from behind in bright sun.

AC Installation FAQ

How long does a full AC install take?

Most single-system changeouts finish in one day; full system swaps can run a day and a half.

Can a bigger unit cool my house faster?

No — an oversized unit short-cycles and cools unevenly. Correct sizing beats raw tonnage every time.

How much does AC installation cost in Las Vegas?

The cost depends on the system size, the SEER2 rating you choose, and whether your ductwork needs work. A like-for-like swap costs less than a full AC and furnace changeout. A load calculation and in-home quote give you an accurate number instead of a phone guess.

What SEER2 rating is best for Las Vegas heat?

For most Las Vegas homes, a right-sized 15 to 17 SEER2 system balances up-front price against lower summer power bills. A higher rating pays off most in homes that run the AC hardest through the long cooling season.

How do I know if I need a new AC unit or just a repair?

Look at three things: age, repair cost, and how often it breaks. Systems past 12 to 15 years, or any repair costing more than half the price of a new unit, usually point to replacement rather than another fix.

When is the best time to replace an air conditioner in Las Vegas?

Spring or early fall, before the first 110-degree stretch. Replacing before summer means better crew availability, time to size the system right, and no scramble during a July breakdown.