Complete every Interactive Lab in a path to earn a verifiable FixGrid Academy certificate of diagnostic competency.
The three calls that fill a residential schedule: a washer that will not drain, a dryer with no heat, and a refrigerator that stopped cooling. Each lab drills the same order of operations — confirm the complaint, rule out the cheap causes, then prove the component before you condemn it.
3 required labs
Commercial refrigeration punishes guesswork. These labs cover a cuber that stopped producing, a walk-in running warm, and a reach-in that will not hold temperature, with the water quality, airflow, and load realities that separate a real diagnosis from a parts swap.
3 required labs
Complete every published FixGrid Interactive Lab — residential laundry and refrigeration plus commercial ice and walk-in refrigeration. This is the broadest credential FixGrid Academy issues for scenario-based diagnostics.
7 required labs
Each certificate carries a unique credential ID that a customer, employer, or property manager can check on our public verification page — no account required.
Verify a certificateLab progress is currently saved in this browser. Clearing site data or switching devices resets it — account-linked progress is coming with the next Academy release.