Why Is My Smart Thermostat Screen Blank and How to Check the C-Wire?
You walked over to adjust the temperature, and your smart thermostat stared back with a blank, lifeless screen. No glow. No touch response. Nothing. The house feels too warm or too cold, and panic starts to creep in. Before you call an HVAC technician and pay a service fee, take a breath. A blank thermostat…
