QuoteCore+

Original research

QuoteCore+ field studies

We test our own tools against reality and publish everything - methodology, raw data and known failures.

Field study · 10 roofs

How Accurate Is Measuring a Roof With Google Earth?

We remotely measured 10 real roofs using free aerial imagery and QuoteCore+, then physically verified every measurement on site. 3.52% average area error, 136 component comparisons, full dataset published.

Watch the study

The full 10-roof test on video - every remote measurement compared against the physical roof.

More videos on the QuoteCore+ YouTube channel.