AC cost guide · Las Vegas

AC replacement cost in Las Vegas: new unit prices, lifespan and 2026 incentives

Updated October 7, 2026

Replacing a central air conditioner is one of the larger purchases a Las Vegas homeowner makes, and quotes for what looks like the same job can be far apart. This guide puts together published 2026 cost data, the factors that move the price, how long a system usually lasts, and the incentives that are actually available in 2026.

1. How much does a new AC unit cost?

According to Angi's AC replacement cost guide (updated July 20, 2026), based on national data:

• Central AC: $2,500 to $4,500 for the unit, plus $3,500 to $7,000 for installation.
• Ductless split system: $2,000 to $3,000 for the unit, plus $1,200 to $10,000 for installation.
• New ductwork: if the home has no existing ducts, Angi puts installing them at $3,000 to $7,500 for 300 linear feet. Duct repairs, electrical upgrades and removal of the old unit can also add to the total.

Angi's cost-by-size table lists, by system tonnage: 2 tons, $1,500 to $5,000; 3 tons, $2,000 to $5,500; 4 tons, $2,600 to $6,200; and 5 tons, $2,800 to $6,800. Angi notes that the type of unit and the home's square footage are the biggest drivers of the total.

Fixr's AC installation cost guide (updated January 28, 2026) gives an average of about $6,000 and a typical range of $5,000 to $12,000, with labor for a standard central system at about $500 to $2,500.

We did not find a published 2026 replacement cost survey specific to Las Vegas. Treat these figures as a starting point, not a quote.

2. What changes the price

• Size. Bigger is not better: ENERGY STAR recommends that the contractor verify the right size with a "Manual J" load calculation (ENERGY STAR), and an ENERGY STAR fact sheet explains that oversized systems short cycle, wear faster and remove less humidity (ENERGY STAR).
• Efficiency. Nevada is in the Department of Energy's Southwest region. Since January 1, 2023, a new split-system central air conditioner under 45,000 Btu/h installed there must meet at least 14.3 SEER2 and an EER2 of at least 11.7 (or 9.8 for systems rated 15.2 SEER2 or higher), and it is illegal for a contractor to install a system that does not meet the regional standard (DOE). Higher ratings cost more up front and less to run.
• Type of system. A heat pump replaces both the AC and the heating. See our heat pump vs AC guide.
• Ducts, electrical and the air handler. Leaky or undersized ducts, an outdated electrical disconnect or an old indoor unit that does not match the new outdoor unit can all add to the job.
• Permits and removal. Ask whether the quote includes the permit and hauling away the old equipment. Our HVAC guide covers permits in the valley.

3. How long does an AC last?

Angi's 2026 guide says central AC units typically last 12 to 17 years, and air conditioners in general 10 to 20 years, depending on the type of unit, how often it is used, the local climate and maintenance (Angi). ENERGY STAR recommends having HVAC equipment that is more than 10 years old, or that is not keeping the house comfortable, evaluated by a professional HVAC contractor (ENERGY STAR).

Las Vegas asks a lot of a system: the National Weather Service lists a normal July high of 104.5°F and a normal July low of 82.0°F (1991–2020 normals), so many systems run for long stretches day and night in summer (NWS Las Vegas). Regular maintenance and monthly filter checks help a system reach the long end of its lifespan.

4. Tax credits and NV Energy incentives in 2026

Federal tax credit: the IRS says the Energy Efficient Home Improvement Credit (Section 25C) applies to qualifying improvements made through December 31, 2025 (IRS, page last reviewed April 28, 2026). A system installed in 2026 does not qualify for that credit. Ask a tax professional about your own situation.

NV Energy: NV Energy's PowerShift program lists a Residential Air Conditioning offering with 2026 incentives for replacing older systems with higher-efficiency central air conditioners and air-source heat pumps (NV Energy). According to the program page:

• The incentive is shown as a discount on the contractor's invoice; homeowners cannot apply for it directly with NV Energy.
• The installing company must be on NV Energy's approved contractor list before the installation date.
• The home must be a single-family home or townhome in NV Energy's service territory with a residential electric account. Multifamily units, new construction and window or room units do not qualify.
• Air conditioners must be at least 15.2 SEER2; heat pumps at least 15.2 SEER2 and 7.8 HSPF2; ductless heat pumps at least 18 SEER2 and 9 HSPF2.

Incentive amounts are listed by NV Energy and can change, so ask the contractor to show the NV Energy discount as a line item on the proposal before you buy.

5. How to compare AC replacement quotes

• Ask for the outdoor and indoor model numbers and the matched SEER2 and EER2 ratings in writing.
• Ask how the system was sized and whether a load calculation was done.
• Check what is included: permit, duct changes, electrical work, thermostat, removal of the old unit, and the manufacturer's and contractor's warranties.
• Compare at least two or three quotes for the same scope of work.

In Nevada, hiring someone to work on the air conditioning in your home requires a licensed contractor, and the exemption for jobs under $1,000 does not apply to air conditioning work (NRS 624.031). Before anyone works on your system, verify the license in the free Nevada State Contractors Board license search, and ask whoever handles refrigerant for their EPA 608 certification.

ClimaVegas does not perform air conditioning work. We connect you with independent air conditioning contractors in the Las Vegas area.

Call to be connected with a local AC contractor

6. More guides for Las Vegas homeowners

• AC not cooling or blowing warm air: a checklist of the safe first checks.
• AC not turning on: thermostat, breakers and a compressor that won't start.
• AC leaking water: clogged drain lines and what to do first.
• AC freezing up: why ice forms and how to thaw it safely.
• AC tripping the breaker: reset once, then what repeated trips and short cycling mean.
• AC making noise or smelling like burning: which sounds and smells are warning signs.
• AC repair cost: typical prices for common repairs, from published 2026 data.
• Heat pump vs AC in Las Vegas: how they compare in a desert climate.
• Emergency AC guide: first checks and heat safety.
• AC repair in Las Vegas: the common repairs, explained.
• AC repair in Henderson: city permits and HOA rules.
• HVAC guide for Las Vegas: efficiency rules, maintenance and permits.
• Heating repair guide: furnaces, heat pumps and carbon monoxide safety.

Frequently asked questions

How much does AC replacement cost?

According to Angi's guide, updated July 20, 2026, AC replacement averages $5,978 nationally, with a range of $1,400 to $12,500. Fixr, updated January 28, 2026, puts the average AC installation at about $6,000, with most homeowners spending $5,000 to $12,000. These are national averages, not quotes.

How much does a new AC unit cost?

Angi's 2026 guide lists a central AC unit at $2,500 to $4,500, plus $3,500 to $7,000 for installation. Size, efficiency, ductwork and electrical work change the total.

How long does an AC last?

Angi's 2026 guide says central AC units typically last 12 to 17 years. ENERGY STAR recommends having equipment that is more than 10 years old, or that is not keeping your home comfortable, evaluated by a professional HVAC contractor.

Is there a federal tax credit for a new AC or heat pump in 2026?

The IRS says the Energy Efficient Home Improvement Credit (Section 25C) applies to qualifying improvements made through December 31, 2025. A system installed in 2026 does not qualify for that credit.

Does NV Energy offer incentives for a new AC?

NV Energy's PowerShift Residential Air Conditioning offering lists 2026 incentives for qualifying high-efficiency central air conditioners and heat pumps. The discount is applied on the invoice of a contractor on NV Energy's approved list, and homeowners cannot apply directly. Check the current amounts and rules on NV Energy's website.

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This guide is general information for Las Vegas residents. Prices are third-party national averages, not quotes. It is not tax advice.