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Home Warranty Cost Calculator

Work out home warranty cost instantly with clear inputs, formula shown and shareable results.

About Home Warranty Cost Calculator

A home warranty converts variable repair cost into a fixed premium plus a per-claim service fee. It pays when the number of covered failures exceeds the break-even count, which is the premium divided by the saving per claim. Below that threshold self-insuring is cheaper.

Formulas

Cost comparison

With warranty = premium + claims x service fee; without = claims x repair cost

Break even

Claims to break even = premium / (repair cost - service fee)

Worked example

With the default values below, Home Warranty Cost Calculator returns Net benefit of the warranty of $13,000.00. Change any input above and every figure here is recalculated in your browser.

Inputs used

Annual warranty premiumminimum 0
12,000
Service fee per claimminimum 0
2,500
Expected claims per yearminimum 0
2
Average repair cost without warrantyminimum 0
15,000

Results

Net benefit of the warranty
$13,000.00
Annual cost with warranty
$17,000.00
Annual cost without warranty
$30,000.00
Claims needed to break even
0.96

Step by step

  1. 1Values used
  2. 2Cost comparison
  3. 3Break even
  4. 4Net benefit of the warranty= 13,000.00
  5. 5Annual cost with warranty= 17,000.00
  6. 6Annual cost without warranty= 30,000.00
  7. 7Claims needed to break even= 0.96

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How is the Home Warranty Cost figure worked out?

With warranty = premium + claims x service fee; without = claims x repair cost. A home warranty converts variable repair cost into a fixed premium plus a per-claim service fee.

Why do warranties often disappoint?

Exclusions. Pre-existing conditions, improper installation and cosmetic damage are commonly excluded, so the realised claim rate is lower than the failure rate the buyer expects.

What values do I need to enter?

This calculator takes 4 inputs: Annual warranty premium, Service fee per claim, Expected claims per year, Average repair cost without warranty. The pre-filled defaults are a realistic worked example — replace them with your own site or project figures.

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