thermostat wiring

The first cold snap of the season is when my phone starts ringing with the same story on repeat: someone bought a shiny new smart thermostat, wired it in themselves, and now the display just blinks and dies. Nine times out of ten, I know the answer before I’ve even parked in the driveway. It’s … Read more

A manufacturer’s spec sheet will tell you the model number, the voltage draw, the WiFi frequency, even the screen resolution — every detail except the one that actually decides whether your new thermostat will work once it’s mounted on the wall. Nowhere in that glossy documentation does anyone mention that most homes built before the … Read more