FV&DT Explained: California's Field Verification & Diagnostic Testing

Name: GENTAB
Address: Sacramento, CA, US
Telephone: +1-888-707-9770
Price range: $$$

FV&DT is the field testing at the heart of California's ECC program. Here's what each test measures, who performs it, when it happens, and how to prepare so you pass the first time.

Category: Energy Code Compliance · 8 min read · Published Jan 8, 2026