4 certified models
Keystone office machines
Every Keystone machine in the register, by category. Figures are from ENERGY STAR certification records for models listed for the US market.
4 models
Keystone dehumidifiers
| Model | Type | Water removal | Efficiency | Annual energy use |
|---|---|---|---|---|
| KSTAD224F | Portable Dehumidifier | 22.3 pints/day | 1.7 L/kWh | 278 kWh/yr |
| KSTAD354G | Portable Dehumidifier | 36.7 pints/day | 2.01 L/kWh | 388 kWh/yr |
| KSTAD504G | Portable Dehumidifier | 49.7 pints/day | 2.01 L/kWh | 525 kWh/yr |
| KSTAD506PG | Portable Dehumidifier | 49.7 pints/day | 2.01 L/kWh | 525 kWh/yr |