On older versions, the thermostat makes a clicking sound. SmartWaves made after 2021 have a silent TRIAC thermostat.
When you toggle the radiator ON/OFF using the standby button, the radiator will beep, but after that the control panel makes no beeps or other electronic noises.
Clicks or bangs may be heard during warm up and cool down, as the metal expands and contracts, but if this is particularly noisy it can usually be fixed by adjusting the bracket tightness. The radiator makes no noises when receiving commands from the app or from voice control.
When you toggle the radiator ON/OFF using the standby button, the radiator will beep, but after that the control panel makes no beeps or other electronic noises.
Clicks or bangs may be heard during warm up and cool down, as the metal expands and contracts, but if this is particularly noisy it can usually be fixed by adjusting the bracket tightness. The radiator makes no noises when receiving commands from the app or from voice control.