If you notice either of these, you’ll need one of our expert technicians right away. Commonly, people notice that their air conditioner has a musty smell. This can happen when the water in the drain pan or drip lines starts accumulating. Consequentially, fungus and/or mildew can start to grow in your system. Homeowners should first check the circuit breaker and reset it if necessary. They should also check the thermostat batteries and get them replaced if needed. To learn more about Igli.me h...