Your AC system may include an air filter located in or around the indoor air handler unit. If it’s cold, problem solved! If not, move on to the next troubleshooting tip – checking the air filter. After the system kicks on, wait a few minutes, then check for cold air blowing from the registers. If it is off, set to heat, or set for constant fan (sometimes simply labeled “on”), switch it back to cooling operation. If the thermostat is set to cool, check the temperature setting to be sure someone hasn’t changed it. When you notice your home getting a little hotter than normal, first check the thermostat settings. For a little more detail, visit our troubleshoot an air conditioner page.
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We’ll outline some items you should check before calling a professional here. However, there are also times that you’ll need to make the call to your local Carrier ® dealer for professional air conditioner service.įrom very simple issues like a thermostat set incorrectly or a dirty filter.to a more complex situation that requires replacing components.there are a wide variety of reasons why you may find your air conditioner running, but not lowering the temperature in the house. Most homeowners can do some basic troubleshooting and may be able to resolve the issue. Just because your system isn’t cooling, doesn’t automatically mean expensive AC repairs or replacing the entire system. So there are a number of answers to the question “Why is my air conditioner not cooling the house?” But fear not. Typical split-system air conditioners have a lot of moving parts, including an indoor air handler unit (furnace or fan coil), an evaporator coil, air filter, thermostat and copper tubing (refrigerant lines) that connect the indoor and outdoor units.
It’ll be the hottest day of the summer, and no matter how many times you turn down the thermostat you still find the AC not blowing air that is cold enough.Īir conditioning systems are more than just the condenser unit (the AC unit or heat pump) sitting outside your home. And when it does, it’s not going to be in the dead of winter. It’s no fun when your air conditioner is not cooling, but it can happen. Sweating through a sleepless night.or slogging through the heat of a sweltering July afternoon.