Job this solves
Estimate annual and multi-year maintenance from your own intervals and costs.
Formula
Annual = Σ (cost × 12 ÷ interval months); total = annual × years owned.
Assumptions
Defaults are starting points, not recommendations. Outputs inherit your inputs.
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| Input | Default |
|---|---|
| Descale interval (months) | 3 |
| Descale cost ($) | 12 |
| Filter interval (months) | 2 |
| Filter cost ($) | 8 |
| Years owned | 3 |
Common questions
Where do intervals come from?
Manufacturer manuals vary by water hardness and use. Enter the schedule you actually follow.
Is this a service contract quote?
No. It is a planning estimate only. Professional service costs vary by region.