The thermostat in our home wasn’t responding properly, which made it hard to control the temperature. The technician diagnosed a wiring issue behind the unit and fixed it without needing a full replacement. He walked me through how to use the system properly afterward, which was helpful. Everything has been working consistently since then.The thermostat in our home wasn’t responding properly, which made it hard to control the temperature. The technician diagnosed a wiring issue behind the unit and fixed it without needing a full replacement. He walked me through how to use the system properly afterward, which was helpful. Everything has been working consistently since then.