The repair-versus-replace decision breaks down to three numbers: how old is the appliance, how much is the repair, and how much does a comparable replacement cost. We've run this calculation hundreds of times for customers in Palm Beach County. Here's the framework plus real numbers by appliance type.
The 50% rule — and when it's wrong
The widely-cited rule: if repair cost exceeds 50% of replacement, replace. It's a useful starting point but misses two critical factors.
Factor 1: age-of-appliance. A $400 repair on a 3-year-old unit is a much better buy than a $400 repair on a 12-year-old unit, even at the same 50% ratio. Young appliances have more life ahead.
Factor 2: nature of the repair. Replacing a drain pump is lower-risk than replacing a control board — one is a definite fix, the other may just be the first of several board-era failures. Some repairs reset the clock; others just buy time.
Washers — repair thresholds
Average lifespan: 10–14 years. Repair aggressively through year 8; reconsider after year 10.
Years 1–5: repair virtually any failure. Replacement cost is high relative to almost any repair.
Years 6–8: repair up to ~40% of replacement cost. Drum bearing failure is the exception — it's labor-heavy and rarely worth it past year 6.
Years 9–12: repair only the high-value fixes — drain pump, door latch, belt, lid switch. Major transmission or motor failures tip toward replacement.
Years 13+: maintenance-only repairs; any significant failure usually points to replacement. Exception: high-end models (Miele, Speed Queen, Bosch) justify repair well past 15 years.
Dryers — repair thresholds
Average lifespan: 10–15 years. Dryers are simpler machines than washers and tend to be worth repairing deeper into their life.
Years 1–8: repair any failure. Common fixes (thermal fuse, belt, idler, heating element, igniter) run $150–$350 and reset the clock.
Years 9–13: still usually worth repairing. A $300 repair on a 12-year-old dryer buys you 2–4 more years of service reliably.
Years 14+: case-by-case. Drum bearing or major control board failures are often not worth it; thermal fuse or heating element are.
Dryer caveat: always clean the vent during any repair. Ignoring the vent means the new part will fail just as fast as the old one.
Refrigerators — repair thresholds
Average lifespan: 12–17 years for standard, 18–25 for high-end built-ins (Sub-Zero, Thermador).
Standard refrigerators, years 1–10: repair most failures. Ice maker, inlet valve, fan, defrost heater — all worth doing.
Standard refrigerators, years 11–15: evaluate carefully. Compressor failure at year 13+ on a $1,200 fridge is often replacement territory ($900 compressor + $200 refrigerant on a fridge worth $500 used).
Standard refrigerators, years 16+: maintenance-only. Major failures tip hard toward replacement.
Built-in refrigerators (Sub-Zero, Thermador, KitchenAid built-in): repair is almost always worth it. A $1,500 repair on a $10,000 built-in is an easy yes. These machines are designed for 20+ years of service and parts stay available that long.
Dishwashers — repair thresholds
Average lifespan: 9–12 years for mid-range, 12–15+ for premium (Bosch, Miele).
Years 1–7: repair any failure worth 40% of replacement or less.
Years 8–10: case-by-case. Major failures (circulation pump, tub leaks, control board) push toward replacement on entry-level units. Premium units still worth repairing.
Years 11+: entry-level replace; premium still worth repair on significant fixes.
Special case: built-in and high-end brands
Built-in refrigerators (Sub-Zero), pro-style ranges (Wolf, Viking, Thermador), and premium dishwashers (Miele, Thermador) are almost always worth repairing. Replacement costs are 5–10x standard appliances, and these machines are designed for long service lives. The math on a $2,000 repair on a $15,000 Sub-Zero built-in is easy: repair.
In Boca Raton, Palm Beach Gardens, and Jupiter we service these luxury tiers regularly. Expect to repair well past 20 years on properly-built units.
What we actually recommend
Get a flat-rate diagnostic quote before deciding. $80–$150 buys you the information to make a real decision — parts cost, labor hours, likely remaining life. If repair wins, the diagnostic fee applies to the work. If replacement wins, you've spent $100 to save $500–$2,000 on buying the wrong replacement in a panic.
Never replace an appliance without at least one diagnostic quote unless the unit is visibly damaged (cracked tub, rusted through, compressor seized with smoke). The worst-case replacements are usually the impulse buys made after a washer flooded a laundry room.
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