Shelly 1PM Gen3

Swapped out my old dumb thermostat for this and the power monitoring alone was worth it—seeing exactly what the heater draws in the app is a game changer. I love that it just slides into the existing wall box without extra wiring headaches. Setup took a bit of fiddling with the app, but once it clic

Took me an afternoon to get the relays set up, but the power monitoring in the app is spot on—I can finally see exactly what the heater draws each day and trigger automations off that. The compact shell fit neatly behind my existing wall switch, which was a relief.

I was nervous about wiring this into my heating system, but the compact size made it easy to tuck behind the switch. The power metering in the app is surprisingly accurate, and it's been switching my radiators flawlessly for a week now.