Estimating the value of missed plumbing inquiries

The decision to make first

A missed-call calculator can overstate value if it treats every unanswered ring as a new customer who would have purchased a job. Use a conservative estimate of genuine service inquiries, likely completed jobs and contribution after direct delivery costs, not gross job price alone.

What the handoff should contain

Record missed inquiry count, duplicate or irrelevant calls, assumed conversion share, contribution per completed job and the costs of follow-up.

Suggested wording to approve

Example wording: “This result is an illustration based on your inputs. It is not a promise that every missed call becomes a job or that all projected value will be recovered.”

Test the difficult case

Run low, middle and high assumptions and identify which input changes the conclusion most before making an operating decision. Do not present an illustrative calculator result as a verified company loss or use invented industry averages without a reliable source.

Worked example

Fictional example: A hypothetical set of twenty missed rings includes repeat attempts and supplier calls, leaving fewer genuine new service inquiries. Use that reduced number in the value model. Then vary the completion share and contribution after job-delivery costs; the result should remain labeled as a scenario, not a statement of actual lost revenue.

Review it in operation

Compare the model with pilot outcomes and update assumptions using completed work rather than the number of captured leads alone.

Check before you launch

• Use a conservative estimate of genuine service inquiries, likely completed jobs and contribution after direct delivery costs, not gross job price alone.
• Record missed inquiry count, duplicate or irrelevant calls, assumed conversion share, contribution per completed job and the costs of follow-up.
• Run low, middle and high assumptions and identify which input changes the conclusion most before making an operating decision.
• Compare the model with pilot outcomes and update assumptions using completed work rather than the number of captured leads alone.

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