Answer 4 quick questions about your current system and get a personalized recommendation based on Las Vegas conditions.
Desert heat changes the math on repair vs. replace decisions.
If a repair costs more than 50% of a new system, replacement is usually the smarter investment.
AC units last 12-15 years here vs. 15-20 nationally. Desert heat accelerates wear on every component.
NV Energy PowerShift offers up to $2,000 in rebates for qualifying high-efficiency equipment.
The national rule of thumb says AC systems last 15-20 years. In Las Vegas, that number drops to 12-15 years. The reason is straightforward: your compressor runs 2,000-2,700 hours per year here, compared to 800 hours in a moderate climate like Portland or Charlotte. That's 2-3x the mechanical stress on every bearing, valve, and electrical connection.
When a system hits 10 years in the desert, the probability of major component failures increases exponentially. Capacitors fail from chronic heat exposure. Compressor windings degrade from thousands of start-stop cycles. Condenser coils corrode from caliche dust and hard water deposits. A $400 capacitor replacement on a 5-year-old system is smart. That same repair on a 13-year-old system may just be the first domino — followed by a fan motor, then a contactor, then the compressor itself.
The repair bill is only part of the equation. An aging system running at 10 SEER (old rating standard) in Las Vegas consumes 40-60% more electricity than a modern 18 SEER2 system doing the same cooling work. On a $400/month summer electric bill, that's $160-$240/month in wasted energy — $640-$960 over a single cooling season. Add in one or two $300-$500 repairs per year, and many homeowners are spending $1,500-$2,500 annually to keep a dying system alive. That money compounds. Over 3 years of nursing an old system, you've spent $4,500-$7,500 — halfway to a new high-efficiency unit with a full warranty.
Not every old system needs replacing. If your unit is under 10 years old, the repair is under $1,500, your energy bills are reasonable, and you're comfortable in every room — repair is the right call. Similarly, if you're planning to sell within 1-2 years, a repair gets you through the sale and the next homeowner makes their own decision. The tool above weighs all of these factors together to give you an honest assessment.
Every situation is different. If you want a professional evaluation, call (702) 567-0707 for a $79diagnostic that includes a full system inspection, efficiency test, and honest recommendation — repair or replace.
Age thresholds, the 50% rule, efficiency ratings, and a complete decision framework.
Deep dive into the math, decision frameworks, and real-world scenarios.
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In Las Vegas, AC systems typically last 12-15 years due to extreme heat.