| Pattern | Meaning | Severity |
|---|---|---|
| 1 flash | info | |
| 2 flashes | critical | |
| 3 flashes | high | |
| 4 flashes | high |
LaunchMyHVAC is live right now — a free ACCA Manual J 8 Abridged Edition load calculator, duct sizing, diagnostic checklists, and Hank the HVAC AI assistant. No signup for the tools.
Open the free tools →Real-time monitoring hardware is still in development — join the launch list.