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Should I upgrade my appliances?

Calculate if buying new energy-efficient appliances saves money compared to keeping your old ones running.

By ShouldICalc Team

Updated January 2025 · See our methodology

Your Numbers

12
5 25
$1,200
$300 $5,000
15
8 35

Your Results

Annual Savings

$0 – $0

per year

5-Year Savings

$0 – $0

Break Even

— months

💡 Calculating...

Enter your numbers above to see personalized results.

Trade-offs to Consider

Every decision has pros and cons. Here's what to weigh:

  • Money

    New appliances save 15-50% on energy, but take years to break even. If old one works, the math often favors keeping it.

  • Time

    New appliances require research, shopping, installation, and learning. Old ones just work (usually).

  • Quality

    New appliances have better features and performance. But today's appliances may not last as long as older ones.

  • Convenience

    Modern features (app control, sensors) add convenience. But also more things that can break.

Frequently Asked Questions

How much do old appliances cost to run?
A 20-year-old refrigerator uses about $150-200/year in electricity vs $50-75 for a new Energy Star model. Old washers, dryers, and dishwashers show similar differences. HVAC is the biggest: old systems may cost $500+ more annually.
When should I replace vs repair?
The '50% rule': if repair costs exceed 50% of replacement cost AND the appliance is over halfway through its expected life, replace. For newer appliances, repair usually makes sense.
Are Energy Star appliances worth it?
Energy Star appliances use 10-50% less energy than standard models. The premium is $50-200, usually recovered in 2-5 years through energy savings. For items you use daily (fridge, washer), they're almost always worth it.
How long do appliances last?
Average lifespans: Refrigerator 13-17 years, Washer 10-13 years, Dryer 12-14 years, Dishwasher 9-12 years, HVAC 15-25 years, Water heater 8-12 years. Well-maintained appliances often exceed these ranges.

Should You Replace That Old Appliance?

Every homeowner faces this decision: keep repairing the old appliance or invest in a new, efficient one? Here’s how to make the smart financial choice.

The Energy Efficiency Reality

New appliances are significantly more efficient than old ones:

Appliance15-Year-Old ModelNew Energy StarAnnual Savings
Refrigerator$150/year$50/year$100
Washer$100/year$45/year$55
Dryer$130/year$80/year$50
Dishwasher$55/year$35/year$20
Water Heater$500/year$300/year$200
Central AC$350/year$200/year$150

But here’s the catch: A $1,200 refrigerator that saves $100/year takes 12 years to pay back in energy savings alone.

The Break-Even Calculation

Basic formula: Break-even years = New appliance cost ÷ Annual energy savings

Examples:

Refrigerator:

  • New cost: $1,200
  • Annual savings: $100
  • Break-even: 12 years

HVAC system:

  • New cost: $8,000
  • Annual savings: $400
  • Break-even: 20 years

Water heater (heat pump):

  • New cost: $2,000
  • Annual savings: $200
  • Break-even: 10 years

When Replacement Makes Sense

The old appliance is failing: If you need major repairs anyway, replacement is often smarter than repair.

Repair costs exceed the 50% threshold: If a $1,200 refrigerator needs a $700 compressor at age 15, just replace it.

You’re getting a rebate: Utility rebates ($50-500) and tax credits (especially for HVAC and water heaters) shorten break-even significantly.

Energy costs are very high: At $0.30/kWh (California, Hawaii), energy savings double, cutting break-even in half.

The appliance is a major energy hog: HVAC and water heaters consume the most energy. Upgrading these has the biggest impact.

You’re renovating anyway: If you’re already paying for installation and disruption, adding appliance upgrades makes sense.

When to Keep the Old Appliance

It works fine: A working appliance has value. The greenest appliance is often the one you already own.

It’s relatively new: Anything under 8-10 years old is probably not worth replacing for efficiency alone.

Break-even exceeds expected lifespan: If it takes 12 years to break even and new appliances last 12 years, you save nothing.

You’re selling soon: Buyers don’t pay proportionally more for newer appliances. Keep the old ones working.

Appliance-Specific Guidance

Refrigerators:

  • Biggest energy users in most homes (runs 24/7)
  • Pre-2000 models use 2-3x energy of new ones
  • Replace if over 15 years and you have high electric rates
  • Don’t replace a working 8-year-old model for efficiency

Washing Machines:

  • Front-loaders use 40-50% less water and energy
  • Top-loaders with agitators are least efficient
  • Replace if water bills are high or machine is 12+ years old
  • Modern washers have better cleaning with less water

Dryers:

  • Heat pump dryers use 50% less energy but cost 2x more
  • Standard dryers haven’t improved much efficiency-wise
  • Replace only if current one needs major repair
  • Consider: gas dryers are cheaper to run than electric

Dishwashers:

  • Use less water than hand washing (if fully loaded)
  • Efficiency gains are modest
  • Replace when failing, not for energy savings
  • Look for soil sensors and efficient cycles

HVAC Systems:

  • Biggest potential savings
  • SEER ratings: 10-12 (old) vs 15-20 (new)
  • Heat pumps can replace both AC and furnace
  • Consider rebates and tax credits (often $500-2,000+)
  • Replace when repair costs mount or system is 15+ years

Water Heaters:

  • Heat pump water heaters are 2-3x more efficient
  • Tank heaters last 8-12 years
  • Tankless lasts 20+ years but costs more upfront
  • Federal tax credits available for heat pump models

Maximizing Value from New Appliances

Time your purchase:

  • Holiday sales (Memorial Day, Labor Day, Black Friday)
  • End of model year (September-October)
  • Scratch-and-dent models at outlets

Capture all rebates:

  • Utility company rebates
  • Federal tax credits (especially HVAC, water heaters)
  • State and local incentives
  • Manufacturer rebates

Install properly:

  • Level refrigerators for efficiency
  • Vent dryers correctly
  • Size HVAC appropriately
  • Ensure water heater temperature is optimized (120°F)

The “Repair vs Replace” Decision Tree

Step 1: How old is the appliance?

  • Under 5 years: Almost always repair
  • 5-10 years: Compare repair cost to value
  • Over 10 years: Evaluate more carefully
  • Over 15 years: Replacement more likely makes sense

Step 2: What does repair cost?

  • Under 25% of replacement: Repair
  • 25-50% of replacement: Consider age and reliability
  • Over 50% of replacement: Usually replace

Step 3: How reliable has it been?

  • First problem: Likely repair
  • Recurring issues: Replacement may end the cycle

Step 4: What’s the energy impact?

  • Major energy user (HVAC, water heater): Weight efficiency heavily
  • Minor user (dishwasher): Efficiency is less important

Making Your Decision

Replace the appliance if:

  • It needs repairs costing 50%+ of replacement
  • It’s over 15 years old
  • It’s a major energy user (HVAC, water heater)
  • Rebates and credits are available
  • You’re renovating anyway

Keep the old appliance if:

  • It works reliably
  • It’s under 10 years old
  • Repair costs are reasonable
  • You’re selling the home soon
  • Break-even exceeds expected new appliance lifespan

The most environmentally and financially responsible choice is often keeping working appliances running as long as possible. New efficiency gains rarely justify replacing something that works.