Cielo: 14 Reasons Why Your Thermostat Screen Is Blank & What to Do About It

Your thermostat is the brain of your home HVAC system and plays a crucial role in maintaining your optimal home climate. According to the EIA, they are used to control central heating equipment in nearly 85% of households. So, it can come as a shock if you come home one day and find that your thermostat screen is blank and it is not working at all.