Fan On Air Conditioner Keeps Running

At the room thermostat.

Fan on air conditioner keeps running.

At the furnace or air conditioner air handler or blower unit. Keeping the fan on creates a more even distribution of heating and cooling circulating the air if you have cold or hot. Turn the fan switch to off and back to auto if the fan doesn t turn off even when you flip the switch to the off position your system may require a thermostat replacement. If you notice your air conditioning and the blower fan all of a sudden start.

A damaged thermostat may also be the issue. The system just can t get to the temperature. Air conditioner is turned off but fan keeps running if it s extremely hot outside your blower fan may continue to run. The fan limit switch may include a switch that manually.

Without enough air flowing over the coils the system can t remove humidity and cool the air to the set temperature so it keeps running when it shouldn t. Trying to fix electrical problems on your own could cause more damage or even create a fire hazard. The fan auto off or fan on off switch on the room thermostat should be checked. Even if your air filter is new you may be using one that s too restrictive for your system such as one designed to remove pollen and allergens.

Fan is set to on the fan in your ac system can run separately from the cooling component of your ac. Less frequent starts and stops of the fan can reduce the stress from startup and potentially help extend it s lifespan. We offer emergency repairs routine furnace and ac services and maintenance plans. If the fan is set to on change the setting to auto so it s only running when the air conditioner is running.

When your fan is set to auto on your thermostat it will only run when the cooling component of your ac is running when your ac system has conditioned air to blow throughout your home. These two parts work together to cool your home but don t always turn on and off at the same time. Pros to running fan on air conditioner continuously.