| Number of experiments | 9 | 10 | 11 | 12 | |
| Controller | On-off | PID | RBF-PID | e-RBF-PID | |
| Heating process | Settling time [s] | N/A | 716 | 334 | 365 |
| Unsteady-state energy Eus [kWh] | 7.89 × 10−3 | 8.67 × 10−3 | 6.37 × 10−3 | 6.26 × 10−3 | |
| Maintenance process | Length of steady-state period tss [s] | N/A | 716 | 334 | 365 |
| Steady-state energy Ess [kWh] | N/A | 5.06 × 10−4 | 3.00 × 10−3 | 2.72 × 10−3 | |
| Steady-state energy intensity EIss [kW] | N/A | 6.02 × 10−6 | 6.44 × 10−6 | 6.26 × 10−6 | |
| Absolute mean static error [˚C] | N/A | 0.26 | 0.15 | 0.24 | |