Mysa for In-Floor is tested and certified to control 16 Amps on a 20 Amp breaker; up to 3800 watts at 240V.
| Voltage | Maximum Wattage | Frequency |
| 120V | 1900 W | 60 Hz |
| 240V | 3800 W | 60 Hz |
Exceeding 3800 watts can damage your thermostat, floor, and electrical heating matt. Exceeding the maximum device rating can damage your thermostat, floor, and electrical heating matt, this is not covered under Warranty.