Home Warranty Cost vs Repair Savings Calculator
Calculate whether a home warranty saves you money compared to paying for repairs yourself.
Compare warranty costs against expected repair expenses.
Home warranty cost analysis compares the annual premium plus service call fees against the expected repair costs you would otherwise pay out of pocket — helping you decide whether a warranty is worth purchasing.
Break-Even Formula:
Break-Even Coverage = Annual Premium + (Expected Calls × Service Fee)
If expected repairs cost more than this, the warranty has positive value.
Expected Annual Repair Cost Formula:
Expected Cost = Sum of (Probability of Failure × Average Repair Cost) for each covered system
Average repair/replacement costs for common covered items:
| System | Average Repair | Average Replacement |
|---|---|---|
| HVAC (cooling) | $300–$800 | $3,500–$7,500 |
| Furnace | $200–$600 | $3,000–$6,000 |
| Water heater | $200–$500 | $900–$1,800 |
| Refrigerator | $200–$400 | $800–$2,500 |
| Dishwasher | $150–$300 | $600–$1,200 |
| Washer/Dryer | $150–$350 | $700–$1,500 |
| Plumbing | $150–$600 | varies |
| Electrical panel | $300–$1,500 | $1,500–$4,000 |
Worked example: Annual premium: $600 Service call fee: $100/visit Expected 2 service calls per year
Break-even annual repair value: $600 + (2 × $100) = $800
If your appliances are 8–12 years old and likely need one repair this year, the expected cost exceeds $800 easily.
When warranties are worth it:
- Older homes (15+ years) with original HVAC and appliances
- Buyers with limited cash reserves for unexpected repairs
- Landlords managing multiple rental units
When to skip the warranty:
- New construction with manufacturer warranties still active
- Appliances under 5 years old with low failure probability
- Buyers with $5,000+ in emergency reserves who prefer flexibility
How we build and check this calculator
This calculator runs entirely in your browser, so the numbers you enter stay on your device. The math behind it is written by hand and tested against worked examples and standard references before the page goes live.
SuperGlobalCalculator is independently built and maintained. See how we build and verify our calculators.