[[//www.youtube.com/embed/https://www.youtube.com/watch?v=EgCt0c4Iy8w|external page]]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.(Image: [[https://p0.pikist.com/photos/693/61/car-engine-tuned-engine-ac-cobra-engine-car-motor-engine-tuning-mechanic-repair-thumbnail.jpg|https://p0.pikist.com/photos/693/61/car-engine-tuned-engine-ac-cobra-engine-car-motor-engine-tuning-mechanic-repair-thumbnail.jpg]]) They should also check the thermostat batteries and get them replaced if needed.(Image: [[https://p0.pikist.com/photos/676/399/services-ac-repair-business-heating-services-cooling-services-air-purification-air-conditioning-repair-air-conditioning-thumbnail.jpg|https://p0.pikist.com/photos/676/399/services-ac-repair-business-heating-services-cooling-services-air-purification-air-conditioning-repair-air-conditioning-thumbnail.jpg]])