How the Trust Score works
A simple 0 to 100 score built only from public information. Installers can't pay to raise it, and paid placements are always labelled "Featured".
| What we check | Points |
|---|---|
| Active state license | 30 |
| Years licensed (2 points a year, up to 10 years) | 20 |
| Holds 2 or more license types | 10 |
| Manufacturer certification found | 15 |
| 2 or more certifications | 5 |
| Own business website found | 10 |
| Listing claimed and verified by the business | 10 |
We use state license records (status, type and issue date) and the installer's own website (certifications and services). Anything we can't find scores zero, so a new business can raise its score by claiming its listing and sending proof.