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How to Evaluate Quoting Software Without Risking a Real Customer Job

The Parallel Run Protocol: how to benchmark new estimating software against past historical jobs using evaluation watermarks before going live.

By John Stephens6 min read

For a window dealership owner, the fear of switching estimating software is completely justified. A single mathematical error, an unmapped glass adder, or a misplaced decimal point can cause a five-figure commercial job to be underpriced by tens of thousands of dollars.

Too many software vendors demand that you hand over your entire customer database and live operations on day one.

At Everything Windows and Doors, we advocate a disciplined, phased evaluation methodology: the Parallel Run Protocol.

The Parallel Run Protocol

Never deploy new quoting software directly in front of live homeowners without benchmarking it against historical jobs. The standard evaluation progression consists of three distinct phases:

Phase 1: The Historical Benchmark Run

Take three completed jobs from your past quarter—ideally one simple single-family replacement, one multi-track sliding glass door job with complex mulls, and one coastal HVHZ job.

Run those exact same opening schedules through the new quoting tool. Compare the resulting factory cost, labor allowance, and selling price down to the penny against your actual historical job costs.

Phase 2: The Evaluation Stage

During testing, your reps should work in an isolated evaluation environment.

Inside Quote Converter Pro™, evaluation accounts feature real on-screen mathematical calculations, but every generated proposal carries a prominent owner-set watermark: "EVALUATION COPY — NOT A VALID QUOTE." This prevents reps from accidentally sending unchecked test estimates to live homeowners.

Phase 3: The Shadow Quoting Week

Select one senior estimator. For one week, have them quote new incoming jobs in your legacy system first, and then shadow-quote the same jobs in Quote Converter Pro™.

Inevitably, this is the moment owners see the truth: Quote Converter Pro™ finishes the quote in a fraction of the time while catching adders that the legacy spreadsheet missed.

How onboarding starts

During our onboarding process, our engineering team maps your exact price books and labor rules, and verifies them across your past jobs before your reps ever log in.

Conclusion

Upgrading your quoting desk doesn't have to be a leap in the dark. With a structured evaluation protocol, you can prove the software's accuracy before rolling it out across your sales force.

John StephensWindows and doors by day, software by night. More about me

The apps in this post now live at Retrostack Software, my software company.