Everything You Need to Know About HVAC Fan Relays
If your air conditioner is making a weird clicking sound or the blower won't stop running, you're likely dealing with a problem involving your hvac fan relays. These little components don't get much glory, but they are essentially the gatekeepers of your home's airflow. Without them, your thermostat would have no way of telling the heavy-duty blower motor to actually start moving air through your vents. It's a classic middleman situation, and when the middleman stops working, the whole system grinds to a halt. ...