Should I repair or replace my old AC unit?

Deciding whether to repair or replace your old AC unit depends on several factors including age, efficiency, repair costs, and your home’s cooling needs—especially in Florida’s hot, humid climate. Here’s a clear guide:

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🔹 1. Consider the Age of Your AC

• Less than 10 years old: Usually worth repairing if the issue is minor.
• 10–15 years old: Evaluate repair costs vs. replacement; efficiency may be declining.
• 15+ years old: Often better to replace; older units are less efficient and prone to major breakdowns.

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🔹 2. Compare Repair Costs to Replacement Costs

• If the repair costs are more than 50% of a new AC unit, replacement is often more cost-effective.
• Common expensive repairs:
  • Compressor replacement ($750–$2,000)
  • Evaporator coil replacement ($675–$2,150)
  • Refrigerant leak repair ($200–$600)

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🔹 3. Check Energy Efficiency

• Older units use more electricity, increasing your monthly utility bills.
• Newer AC units have higher SEER ratings (14–22 in Florida), which can save hundreds per year.

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🔹 4. Frequency of Repairs

• If your AC requires frequent repairs each year, replacement is often cheaper in the long run.
• Multiple small repairs may add up to the cost of a new system in 1–2 years.

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🔹 5. Comfort and Performance

• If your unit struggles to cool evenly, creates humidity issues, or makes strange noises, replacement may improve home comfort and air quality.

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✅ Quick Rule of Thumb

“If your AC is over 10–15 years old, repair costs are high, or efficiency is low, replacement is usually the smarter choice.”