| Rating | Solver | Clue |
|---|---|---|
| LUKEWARM | Room temperature | |
| THERMOSTATS | Devices that control room temperature | |
| RAISE | To elevate in degree according to some scale; as, to raise the pitch of the voice; to raise the temperature of a room. | |
| REGULATE | To adjust, or maintain, with respect to a desired rate, degree, or condition; as, to regulate the temperature of a room, the pressure of steam, the speed of a machine, etc. |