4 Wire Thermostat Wiring: The Key to Efficient HVAC Control
4 Wire Thermostat Wiring is an electrical configuration used to connect a thermostat to an HVAC system. It involves connecting four wires: red (power supply), green (fan control), yellow (cooling), and blue (heating). A common example is in residential homes, where the thermostat controls the heating and cooling of the living space. 4 Wire Thermostat Wiring offers enhanced… Read More »