When the weather gets hotter, you rely on your air conditioner to keep you cool and comfortable. Extreme heat not only makes you feel low on energy and uncomfortable, it can also pose a health risk. If the air conditioner isn't blowing cold air, you should get to the bottom of the problem as soon as possible. Extreme heat doesn’t only make you feel unpleasant. It can lead to dehydration and other heat-related illnesses. This is particularly true for children up to age 4 amd people 65 or older. Excessive heat can also affect overweight individuals and patients with health conditions. This comes from a report from the Centers for Disease Control and Prevention. In a worst-case scenario, a vulnerable person could succumb to heat stroke. This is where he or she cannot control body temperature (no longer able to perspire and cool down). Left untreated, the result can be disability or death. Maintaining cool temperatures in the summer keeps you comfortable and healthy. Here are some common reasons why an air conditioner is not blowing cold air. In some cases, you may be able to remedy the situation yourself. Otherwise, the trained technicians at Ardmore are ready to help you and get the AC back up and running. Thermostat Settings The first thing you should check is the thermostat. Under normal circumstances, you would set the thermostat to be a certain temperature. But, if you have set the thermostat to “On” instead of “Auto,” the fan will run even when the system is not cooling the air. Switch the thermostat to “Auto” and it should only blow cool air. If this doesn’t take care of the situation, more investigation is in order.