Free tool
Repair, Retrofit or Replace?
Compare the lifecycle cost (NPV/TCO) of three scenarios — repair, retrofit, or new equipment.
1. Current equipment costs
2. Risk ratings (1 = low, 5 = high)
3. Scenario A — Repair
4. Scenario B — Retrofit
5. Scenario C — New Equipment
6. Analysis parameters
Result: lifecycle cost comparison (NPV/TCO)
Want certainty about the right scenario for your equipment?
Request a technical condition and retrofit auditHow the calculation works
The tool compares three scenarios – repair, retrofit and a new machine – over a chosen period (1–10 years) using net present value (NPV). Each scenario’s cost is the initial cost plus the annual running cost (maintenance, downtime, energy), discounted at the chosen rate; the new machine’s residual value is deducted. The lowest-cost scenario is flagged, but risks (spare parts, obsolescence, safety) are assessed separately because they can overturn the economic result.
Example: repair may be cheapest today, but if failure costs and downtime are high, retrofit may prove cheaper over 5–10 years.
Frequently asked questions
Does the tool recommend buying a new machine?
No. It shows the lowest modelled lifecycle cost; you make the final decision together with risks and a technical assessment.
Which period should I use?
Usually the expected remaining service life of the machine, between 1 and 10 years.
What is the discount rate?
The rate used to bring future costs to today’s value. The company’s cost of capital is often used.
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