HEAT/COOL allows the thermostat to switch between heating and cooling automatically. Press the “set” or “program” button. Required fields are marked *. Yep, on runs the fan all the time, auto runs the fan when the unit is heating or cooling, and circulate runs the fan at least 30% (or some other predetermined amount) of the time. Some thermostats now offer a “Circulate” setting that will turn your fan on for a set period of time to help in circulating the air. I don't have a Nest thermostat yet, and I'm wondering if you guys who have it can answer one question. It seems the fan "on" setting (fan should stay on always) doesn't work. … Most new thermostats have a “circulate” option that allows you to set the fan to run a certain amount of time per hour. You can also view and set your thermostat's schedule in the Nest app. Fan Operation The desired fan mode is selected in addition to Using the right setting will help you manage your indoor air quality, the temperature in your home, and the energy efficiency of your HVAC system properly. Circulate: Available under the Fan setting, the Circulate feature turns on the fan for 30% of the time every hour in order to circulate the air in your home. Yes, circ fan runs randomly about 35% of the time not including heating or cooling time. This evens out hot and cold spots, uses your high-efficiency filtration or UV system more effectively, and keeps energy usage from going through the roof. The fan will not blow air unless there is a call from the system. You are in RIGHT PLACE. In most cases, auto is the best option, as this will turn the fan on only when you’re actively heating or cooling your home in Eastman, Georgia. Leaving that fan on 24/7 is great for cleansing â¦, Is "On" or "Auto" the Better Thermostat Setting? In the CIRCULATE mode, the fan will follow the setting configured under menu > settings > fan >select fan mode. for air filtering and white noise at night. COOL ONLY allows only cooling demand. The best heat pump setting depends on your comfort level. AUTO: Fan runs only when the heating or cooling system is on. Example: If you set the circulating fan to 50%, the fan will run 30 minutes every hour. The fan control generally works - if the AC comes on the fan comes on as well, and stays on for a few minutes after the compression - … pros â leaving Furnace/Central Air Fan Run 24/7. This is the normal setting for a system fan. Learn how your HVAC fan settings work so that you can always choose the right one for your Childersburg, Alabama, home. I'd like to be able to use this, e.g. Depending on the physical layout of your house and HVAC setup, it might make a world of difference and lower your electric bill…or it might do nothing at all if it’s not that good at moving the air where it needs to be to make you feel cooler (and that’s what it’s all about, feeling cooler/warmer since the air won’t be actually heated or cooled). Fan Modes: On: The fan will run continuously. The fan is located in the inside unit and helps distribute the conditioned air throughout your home.“Auto” means that the fan automatically works ONLY when the air is being heated or cooled. 2 types of Holds are available, Temporary and Permanent. LSU Fan Baton Rouge Member since Oct 2009 3418 posts Online re: Trane variable speed with Nexia thermostat users. The fan setting on your thermostat controls your HVAC’s system blower. NOTE: If there was a Hold on the thermostat prior to the Fan Hold being placed, the thermostat may not display the expected "Fan on until" text and will instead show the currently held temperature. The following settings approximate how long the fan will run at these typical settings: 15% (9 minutes fan run time per hour) 25% (15 minutes fan run time per hour) Auto: The fan will run only when the heating or cooling system is on. I’ll sometimes use it in summer to help move the air around or in fall when I have the windows open (again, to help move the air around) but when I don’t want to listen to the vents all day and night. Select Schedule to open the temperature schedule for the current mode. Find the switch on your thermostat that can be set to "On," "Off," "Cool," "Heat," "Auto" and "Fan." This evens out hot …, Your email address will not be published. From your phone, you can turn the fan on or off and set run time percentage. Contact to run it for 30 minutes each hour). So once your home reaches the temperature set on the thermostat, the fan stops.“On” means the fan is on 24/7, even when the air isn’t being heated or cooled. The FAN selection key has two or three positions: Auto, On, and on select models, Circ (Circulate). Circulate" is enabled on the user’s home screen or system settings page. *Circulating fan works with Sensi models: ST55, ST75, ST75W, 1F87U-42WF, 1F95U-42WF & 1F95U-42WFB. Circulate makes it turn on and off randomly throughout the day. This evens out hot … Using the setting during the winter season may also circulate colder air throughout the home. Your email address will not be published. This means that, at times, it will circulate cold air. For example, you can set your fan to high when heating or cooling and and schedule your fan to run at low speed in the morning to circulate the air in your home. Site Map. Here are some of best sellings […] Well, that depends on what special factors you may have in your home. The key is to set the thermostat and leave it alone. 4. Clearly, it means “circulate” or “circulation,” but what does that mean? During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. On makes the fan run 100% of the time regardless of what is going on with the furnace or compressor. Use this mode for maximum air circulation/air cleaning. From what I see in the documentation and in various articles, there is a setting in the Nest app to run the furnace fan for a minimum amount of time per hour (e.g. Simply go to ‘System Settings’ in the Sensi app and locate Circulating Fan. If you have only Auto showing and the fan still operates you may have a defective thermostat. You can set the Circulating Fan feature from the thermostat or the Sensi app. 3. Let me know if this helps. Terms Of Service The best efficiency setting is to set the Fan to AUTO and set the desired temperature to 68 degrees in the winter on Heat mode or to 78 degrees in Cooling mode. These 2 settings refer to how your air conditioner’s fan will run. HEAT ONLY allows only heating demand. Circulate: The fan will run at random intervals at least 35% of the time to keep air circulating throughout your home. However, the fan will still be set to ON, and the Quick Changes menu will show the fan running under the "Equipment running now" section. What Temperature To Leave A Vacant House In Summer. It keeps air circulating from 15% to 50% percent of time. Auto helps distribute air in the beginning of the cooling or heating cycle and then cuts off when the set temperature is reached. I know that “on” turns the fan on so that it runs continuously whether the heat is on, the a/c, or nothing is on. You’ll have separate options to set the fan speed each time you manually turn on your fan or if you set a fan schedule. This evens out hot and cold spots, uses your high-efficiency filtration or UV system more effectively, and keeps energy usage from going through the roof. Setting the thermostat to FAN ON will simply … The Auto position will allow the system fan to operate whenever the heating or cooling system is turned on by the thermostat. Most new thermostats have a “circulate” option that allows you to set the fan to run a certain amount of time per hour. Learn more about the Nest Thermostat and multi-speed fans Hold: When using a schedule or geofencing, the thermostat enables the Hold feature. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. To access the basic settings of the thermostat: Press the Menu button once and you will see: Away setting; Schedule If any calls for heat/cool occur in that one hour period, that run time is subtracted from the overall run time for the fan for that hour. Once the desired indoor temperature is reached, the fan shuts off until the next cycle.. … Most new thermostats have a âcirculateâ option that allows you to set the fan to run a certain amount of time per hour. 10 OPERATING MODES 1. the thermostat will indicate the current fan mode in the information display (FAN ON or FAN CIRC). Consistently changing your thermostat causes the system to run out of balance. CIRCULATE FAN ON TIME SETTING “Circulate” is enabled on the user's home screen or system settings page. Another option is a whole-house fan, which is something of a hybrid between an attic fan and a ceiling fan. Circulate fan ON time setting NOTE − If the circulate fan mode is on, a timer is set to measure all the time that the fan is blowing, regardless if it is running to deliver heating or cooling or just for circulation. CIRC: Same as AUTO, but if the fan has been off for 20 minutes the fan … The auto setting turns the fan on only when the air conditioning or furnace is actively running. When used appropriately Continuous Fan can help improve indoor air quality and keep the space from feeling stuffy. The Continuous Fan setting will run the indoor blower to circulate conditioned air between calls for heating or cooling. You can set a new schedule or edit your current one. OFF indicates system has been turned off. What is the difference between circ and auto settings for the fan on my HVAC thermostat when the heat is on, when the a/c is on, and when both of those are off? During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. 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