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How Long Do Appliances Last? — Repair vs Replace

Check if your appliance is past its expected lifespan. Decide whether to repair or replace.

📅 Updated April 2026 Formula verified 📖 4 min read 🆓 Free · No sign-up

Durações

Geladeira: 13 anos. Máquina de lavar: 10. Secadora: 13. Lava-louça: 9. Forno: 15. Micro-ondas: 9. Chuveiro elétrico: 3-5. Aparelhos modernos duram MENOS que há 30 anos.

Reparar ou Trocar

Regra dos 50%: reparo > 50% do novo = troque. No Brasil, o Índice de Reparabilidade (seguindo modelo francês) está sendo discutido para implementação.

⚡ CalcWolf Insight

Replacing an old appliance with an Energy Star model often pays for itself in 3-7 years through energy savings alone. A 2010 refrigerator uses 40-50% more electricity than a 2024 model. On a $150/year electricity cost difference, a $1,200 fridge pays back in 8 years — right when the old one would have failed anyway.

Frequently asked questions
Quanto dura geladeira?
13 anos. Sinais: ruídos, temperaturas instáveis, consumo excessivo.
Reparar ou trocar?
< 5 anos e reparo < 50% do novo: repare. > 75% da vida útil: troque.
✓ Math logic verified against primary sources → See our verification process
Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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