What happens when your HVAC fan is running all the time?
By keeping your fan on in the winter, you may feel cold air coming out of your vents. Although the air temperature will be similar to the space temperature, your house will feel cold. Your furnace filter will clog up quicker (even though that means it’s working), but you will have to adjust your filter more frequently.
Are there any cons to allowing a fan to run as needed?
Cons to Allowing Fan to as Needed: You may feel a less even distribution of heating and cooling, because once the thermostat is satisfied, the fan stops moving air to other spaces in the home. More frequent starts and stops will make the fan wear out faster. ON vs. AUTO: Which HVAC Fan Setting Is Best?
Do you have to keep your air conditioner fan on auto?
When keeping your air conditioner fan on or auto, there’s no boilerplate recommendation that we make to home owners, because everyone has different needs.
Why does my a / C blower fan keep running?
There are some reasons (explained at BLOWER FAN CONTINUOUS OPERATION) to leave the blower fan on continuously for long periods, such as to use an air filtering system to improve indoor air quality. And in some buildings we may run the blower continuously for more even or better conditioned (heated or cooled) air distribution.
Is the fan part of the furnace or air conditioner?
The blower (aka fan), which is normally a part of the furnace, is used to blow conditioned air throughout your home. This blower is necessary to produce the proper airflow for the evaporator coil and heat exchanger to operate at their rated efficiencies.
When does a Furnace Fan need to blow?
When your thermostat is set to AUTO, your furnace fan should blow only when your furnace is in the middle of a heating cycle.
What should I do if my Furnace Fan is still running?
If your furnace fan is set to AUTO and is still running, then move on to the next section. Second, troubleshoot for fan limit switch problems. Your fan limit switch is located directly under your furnace hood and controls when your furnace blower turns on and off.
