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When to Repair vs. Replace Your AC: The Summer Decision Guide

Your AC is blowing some cold air… but not like it used to. It’s a little louder, a little slower, and your energy bills? Not so chill.
If you’re standing in front of your thermostat wondering if it’s time to call for a repair or bite the bullet and replace your air conditioner altogether—this one’s for you.
Let’s break it down with some straight-talk from the pros at Aaspen HVAC.
 
When a Repair Makes Sense
Not every AC issue means you need a brand-new system. In many cases, a targeted fix will get you back to cool in no time.
Here’s when a repair is probably the best move:
 The system is under 10 years old
Most AC units have a lifespan of 12–15 years. If yours is under a decade old and hasn’t had many issues, a repair is usually worth it.
 The repair cost is less than 30% of a replacement
If your fix is relatively minor (like a capacitor, fan motor, or refrigerant leak), it likely makes sense to repair.
 It’s still cooling efficiently
If your home still feels cool and comfortable—and your energy bills haven’t spiked—your system might just need a tune-up or small fix.
 It’s a one-time issue
If your system has been mostly reliable and this is the first problem you’ve had in a while, it’s probably just a hiccup, not a total failure.
 
When It’s Time to Replace Your AC
Sometimes the smart—and most cost-effective—move is to invest in a new system, especially if your current one is on its last leg.
 
Here are the red flags:
It’s 12–15+ years old
Even well-maintained systems lose efficiency over time. Older units are less energy-efficient and more prone to breakdowns—especially during a July heatwave.
 
Repairs are frequent or costly
If you’re calling us every summer (or more), that’s a sign your system is on the decline. Multiple repairs add up fast and can surpass the cost of a new, more reliable unit.
 
Energy bills are through the roof
If your energy usage hasn’t changed but your bill keeps climbing, your system may be working too hard to do its job—costing you more in the long run.
 
Inconsistent cooling or humidity issues
Rooms that are too hot, too cold, or muggy? That’s a sign your AC is struggling with airflow or dehumidification—something newer models handle much better.
 
Still Not Sure? Use the “5,000 Rule”
Here’s a quick formula:
Multiply the cost of the repair by the age of your system.
If that number is more than $5,000, replacement is usually the better option.
Example: A $600 repair on a 10-year-old system = $6,000 → Time to consider replacement.
 
Upgrade Benefits Worth Considering
• Better energy efficiency = lower bills
• Quieter, faster cooling
• Smart thermostat compatibility
• Stronger warranties
• Potential tax credits or rebates
(Ask us—we’ll help you find them!)
 
Worried About the Cost? Aaspen Has You Covered.
We offer flexible financing options so you don’t have to choose between comfort and your budget. Whether you’re repairing or replacing, we’ll help you make the most cost-effective decision for your home.
 
Let’s Keep You Cool This Summer
If your AC’s struggling—or you just want honest advice—reach out to our team.
We’ll assess your system, talk you through your options, and help you make the right call—no pressure, no upsell. Just comfort that works when it matters most.