Honeywell thermostat fan circulate setting

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The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. There are two settings on your thermostat to control the fan — auto or on. AUTO means that the fan turns on automatically only when your system is heating or cooling air. Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. Have questions or need service on your HVAC system? Contact us today.

Honeywell thermostat fan circulate setting

It's not uncommon for a Honeywell thermostat fan won't turn off but an HVAC fan that won't turn off and runs on its own for hours can be indicative of a problem. In addition to the annoying sound, if a fan is running continuously, it will add to your energy bill and also reduce the lifetime of your equipment. In this article, I walk through 8 troubleshooting steps, starting with the most common reason: incorrect fan settings on your thermostat. At SmartHomePerfected we always advise readers not to undertake any work they are not competent in performing and if, in any doubt, it is best to seek the assistance of a professional. Under normal conditions, the fan only turns on when the thermostat signals a need for increased airflow to maintain your desired temperature. This means that the fan will work in tandem with your HVAC system, circulating the hot or cold air depending on your temperature setting and switching off when the desired temperature is reached. However, if your best Honeywell thermostat fan refuses to turn off, there could be a problem with the communication between the thermostat and the fan, or a hardware malfunction within the fan itself. In both cases, this can lead to wasted energy and increased wear on your system. Also, let's not forget that a stubborn fan can be a sign of more significant concerns. As such, it requires immediate attention to keep it from snowballing into something more expensive to fix. Typically, the fan mode setting on Honeywell thermostats will have two or three settings: On , Auto , and Circ for circulating. The On setting will help switch the fan to run continuously. When you choose this function, the fan will run indefinitely regardless of whether the cooling or heating systems are on or off.

Good price, external temperature sensor option and plenty of adjustability.

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You can control how and when the fan runs by adjusting your thermostat. Doing so can help improve your comfort and indoor air quality. Setting the fan to auto: The fan kicks on automatically when the AC begins a cooling cycle or when the furnace begins a heating cycle. Once the thermostat reaches your setpoint temperature, your central air system powers down and the fan shuts off with it. Setting the fan to on: The fan will run independently of heating or cooling. The fan, however, uses a lot of energy, increasing your electricity bill.

Honeywell thermostat fan circulate setting

Modes for the fans include: When the fan is turned on, it will run continually. Whenever the heating or cooling system is turned on, the fan will automatically turn on. The fan will operate at random intervals for at least 35 percent of the time in order to maintain the air moving around your house. Circulate allows the fan to run 15 minutes per hour 15mins , 30 minutes per hour 30mins , or 45 minutes per hour 45mins for a total of 15 minutes per hour 15mins 45mins. The fan should begin to operate on the hour and may continue to run for an extended period of time if necessary to heat or cool the home to the appropriate temperature. By setting the thermostat to Auto, the system fan will run anytime the heating or cooling system is on. This evens out hot and cold zones, makes better use of your high-efficiency filtration or UV system, and prevents your energy consumption from skyrocketing to unsustainable levels.

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Put a new 5 ton Goodman Roof mount heat pump unit on with a Honeywell T4 pro thermostat and every time I plugged the thermostat on to its wall base, the fan would start. Its a nice thermostat--real humidity control, outdoor temp, nice hold features where we can set it back for x days of vacation or until after a showing is complete. I have a Honeywell home thermostat. Circulate will not be effective in a zone application unless configured correctly. Learn more. I replaced the limit switch from to , still same problem. But a little overkill for some applications. That's what makes what you want to do economical and effective. Best to turn off the power at the circuit breaker, and trace each wire from the thermostat to the heat pump to make sure they are going to the correct terminals. Then, find and select your thermostat from the list of connected devices.

Hold: When using a schedule or geofencing, the thermostat enables the Hold feature.

Also, I see some thermostats offer a periodic cycle function where the fan runs every now and then if the furnace has not. Linking back to the above settings and how that could affect your Thermostat fan from turning off, below we have some steps on how to change the Thermostat settings:. If you answer yes, be prepared to show documentation. The fan only runs when the system is on and not continuously. Email Address: Please enter a valid email address for yourself. I have a Honeywell home thermostat. What's New? All times are GMT At SmartHomePerfected we pride ourselves on providing trustworthy, unbiased information. For instance, if the temperature takes a drastic drop or rises uncontrollably — it can force your HVAC system to keep the fan working overtime to maintain your preferred indoor temperature. It should be compatible as it only requires four wires single stage systems. The switch is set to Manual and the fan is forced to operate constantly if the button is pressed in. The easiest way to check for a faulty sensor is to use a digital thermometer for the most accurate reading.