| use thermistor | 0.55 |
| offer the most features | 0.25 |
| use either a relay | 0.25 |
| moving parts | 0.25 |
| programmable | 0.79 |
| difficult | 0.25 |
| affordable | 0.16 |
| calibrated | 0.72 |
| identified by their led | 0.62 |
| identified by button | 0.55 |
| identified by lcd digit… | 0.47 |
| identified by data entr… | 0.47 |
| used with most heating … | 0.38 |