Ecobee Minimum Fan Runtime
This means the fan will run for 5 minutes every hour or whatever number you set it to. If you set it for 20 or more ecobee divides by 4 so for 20 it would run it for four 5 minute runtimes. Compressor Minimum Cycle Off Time: The amount of time the compressor remains off between cycles. It gets a bit tricky as Minimum Fan Runtime is a thermostat setting and not tied to a mode. If you see _minFanOnTime’s value change from 10 to 0 at the ecobee portal, and your fan is still running on its own (as the fan will still run when your HVAC is heating or cooling even if you set this parameter to 0), then there must be a problem with the way your fan is wired to your HVAC. A typical thermostat be only prompt the switching of the fan, An ecobee. Occupancy Ecobee comes with one remote sensor and you can buy extras. Case Against Minimum Fan Runtime About a year ago I moved into a new place that had an Ecobee thermostat set up to auto-run for five minutes every hour. fan run time mean on ecobee? – Find what come to >What Does fan run time mean on ecobee? – Find what come to. Having fan running whatever minutes per hour helps with equalizing temperature throughout the house and you can set it to whatever you feel comfortable. ecobee Suite Smart Circulation: Helper application that adjusts hourly circulation time (fan on minimum minutes) trying to get (and keep) 2 or more rooms (temperature sensors) to within a configurable temperature difference. That would be the trigger for a scene that runs the fan. HVAC Fan cycling, how frequent?. The Ecobee Suite Smart Ciculation Helper SmartApp will adjust fan mininum on time of an Ecobee thermostat as it tries to get two or more temperature sensors to converge. Your ecobee will ignore this inaccurate reading to prevent your heating or cooling from running excessively. How do I use ecobee fan mode? 3. Compressor minimum run time Need to set up minimum run time for some compressors in a clean room application. The significance of the minimum fan runtime is that it also supports the cooling and heating cycles. Case Against Minimum Fan Runtime About a year ago I moved into a new place that had an Ecobee thermostat set up to auto-run for five minutes every hour. During sleeping hours the fan is programmed to run 12 minutes per hour (apart from heating, cooling and humidity demands of course), and when the house is unoccupied the fan is simply set to auto, effectively off as heating and cooling set points are significantly set back in this situation as well. Public Mobile $34 15GB, $11 250MB, 2x $5 50min/50text, $0 FPL home phone, Fido $5 4GB plan with a free tablet. The default setting is thirty seconds, so if the heat runs and turns off, the fan will run for 30 seconds to get all the hot air pushed out. For example, if you want your unit to cool to 69 degrees for bedtime at 11 pm, ecobee will decide when it should start cooling to reach that temperature most efficiently. What Does fan run time mean on ecobee? – Find what come to …. This feature allows you to define the minimum amount of time each hour that the system fan will run. For example, if you want your unit to cool to 69 degrees for bedtime at 11 pm, ecobee will decide when it should start cooling to reach that temperature most efficiently. If you set it at zero, it means that you have not scheduled the fan. How to control your HVAC systems fan with your ecobee thermostat. My Ecobee device and its Service Manager use less than 10 state & atomicState variables for more resilience versus some ST platform issues. While you are free to determine the fan runtime you’d like to set on your ecobee, there is the minimum recommended period. This is determined by the minimum ventilator runtime setting which can be changed in the ecobee app or on the thermostat itself. Heat/Cool Minimum Delta ‒ Sets the minimum temperature difference between the desired Heat and Cool set points in Auto mode. Your ecobee will ignore this inaccurate reading to prevent your heating or cooling from running excessively. The default setting is thirty seconds, so if the heat runs and turns off, the fan will run for 30 seconds to get all the hot air pushed out. 19 - Fixed error when Ecobee server returns an empty response. How long should I run the fan on ecobee? The recommended minimum fan runtime every hour is approximately 5-20 minutes. The minimum fan runtime is a setting available on your Ecobee Thermostat that allows you to choose how long you want your HVAC fan to run between heating or cooling cycles. Fan runtime on the Ecobee thermostat is a setting that allows you to choose how many minutes per hour you want the fan in your HVAC system to run, regardless of heating or cooling cycles. What Does fan run time mean on ecobee?. Your fan condition would require the exterior temp to be true, HVAC off, and that hvac has been off for >(x) time. Look at the Home IQ graphs from the ecobee web portal - does the indoor temperature drop slower while you have the temperature set back and the fan running all night, than if you dont have the fan running at all or very little? Running the fan can help make the house more comfortable during the winter, and keep condensation off windows. Humidifier , Dehumidifier , or V entilator : If your ecobee is configured to be able to control an HVAC accessory (Humidifier, Dehumidifier, or Ventilator), you will see options for the installed HVAC accessory here. Public Mobile $34 15GB, $11 250MB, 2x $5 50min/50text, $0 FPL home phone,. Below we explain the five methods available. Compressor Minimum Outdoor Temperature ‒ Sets the minimum outdoor temperature below which the compressor will not run. Running the fan expels any heated air remaining in. Schedule This menu allows you to view details about your thermostats schedule and Hold history. - Added new model names for Ecobee 4 Changes to v3. Minimum Fan Runtime advice? : r/ecobee. A typical thermostat be only prompt the switching of the fan, An ecobee Thermoregulator is one of the essential temperature scheduling components in this home. The minimum fan runtime setting on your Ecobee Thermostat allows you to choose how long you want your HVAC fan to run between heating or cooling cycles. Compressor minimum run time Need to set up minimum run time for some compressors in a clean room application. 5 minute runtimes to make up that 15 minutes. Fan runtime on the Ecobee thermostat is a setting that allows you to choose how many minutes per hour you want the fan in your HVAC system to run, regardless of heating or cooling cycles. Steps to Check Your Ecobee Fan Runtime Open the Main Menu When you walk up to the Ecobee thermostat, it will change from the Stand-By screen to the Home Screen. fan on ecobee? – Garden Center Care>How long should I run the fan on ecobee? – Garden Center Care. This feature allows you to define the minimum amount of time each hour that the system fan will run. controller but it wouldnt work ,cooling runs constant. The default time for fan runtime is usually good for most homes. Ecobee Minimum Fan RuntimeDepending on the RH in my house, I set the fan at to run between 15 to 45 minutes per hour. Look at the Home IQ graphs from the ecobee web portal - does the indoor temperature drop slower while you have the temperature set back and the fan running all night, than if you dont have the fan running at all or very little? Running the fan can help make the house more comfortable during the winter, and keep condensation off windows. When the temperature outdoors changes where the AC total daily runtime is less than 1 hour or two you could use a 15 minute minimum runtime. *, Smart Circulation can be configured to disable circulation altogether (sets fanMinOnTime to 0) when the specified (Quiet Time) (real. Threshold on an ecobee Thermostat. fan only on thermostat? – Garden Center Care>Can I run the fan only on thermostat? – Garden Center Care. The answer is zero minutes. fan Runtime hasDehumidifier (ecobee connected to a dehumidifier or not) hasHumidifier hasHrv or hasErv specific ecobee parameters related to 2-3 stage cooling/heating systems. The ecobee will divide the value you select throughout each hour. fan hold on ecobee? – Garden Center Care>What is fan hold on ecobee? – Garden Center Care. It is ideal in applications where a simple programmable Thermostat. Compressor Stage 1 Max Runtime controls how long the ecobee will run the heat pump without hitting the set point before engaging Aux Heat You can adjust these values to your liking. But it’s not recommended to continuously run the fan. 4 Reasons Why Ecobee Thermostat Fan Keeps Running. It gets a bit tricky as Minimum Fan Runtime is a thermostat setting and not tied to a mode. How often should HVAC fan run ecobee? This is set to Auto by default, meaning that after each heating/cooling call, the ecobee will run the fan for 30 to 45 seconds. Simple answer is that the fan only has to run while AC is running. The length of time you run the fan depends on your environment. The ecobee Energy Management System (EMS) is the newest technology designed for the commercial market. In other words, being able to set a minimum fan runtime of 5 min/hr for my Home comfort setting and 0 min/hr for my Away comfort setting. Go to fan control in heat mode Set to Ecobee thermostat Note: You must access this setting through the Ecobee thermostats as the app or the web access won’t give you that. This wire should be connected to the C terminal on your HVAC control board first before using it as your C. Fan runtime on the Ecobee thermostat is a setting that allows you to choose how many minutes per hour you want the fan in your HVAC system to run, regardless of. If you do not have a C wire, check your thermostat bundle for spare wires you can use as a C. What is fan hold on ecobee? – Garden Center Care. This means the fan will run for 5 minutes every hour or whatever number you set it to. Occupancy Ecobee comes with one remote sensor and you can buy extras. Where it says “Minimum fan runtime”, you can select an amount of time per hour that the fan should run. Steps to Check Your Ecobee Fan Runtime Open the Main Menu When you walk up to the Ecobee thermostat, it will change from the Stand-By screen to the Home Screen. This means that during the 5:05 PM to 5:10 PM block, the ecobee ran the furnace for 3 minutes and 45 seconds, and ran the fan for 45 seconds. But, keep in mind that ecobee uses two 7. How long should I run the fan on ecobee? – Garden Center Care. Manually turning on the fan is not ever really needed. Fan control in Heat Mode 2. Can I run the fan only on thermostat? – Garden Center Care. Fan runtime on the Ecobee thermostat is a setting that allows you to choose how many minutes per hour you want the fan in your HVAC system to run, regardless of heating or cooling cycles. Humidifier, Dehumidifier, or Ventilator: If your ecobee is configured to be able to control an HVAC accessory (Humidifier, Dehumidifier, or Ventilator), you will see options for the installed HVAC accessory here. I need to revisit the implementation. fan Runtime; hasDehumidifier (ecobee connected to a dehumidifier or not) hasHumidifier; hasHrv or. What Is Fan Runtime on Ecobee? Recommended Settings & Minimum. Fan: allows you to set a fan minimum runtime value. Otherwise, the fan will run only when the HVAC is fired up. Depending on the RH in my house, I set the fan at to run between 15 to 45 minutes per hour. It is ideal in applications where a simple programmable Thermostat does not provide adequate controls and functionality and a full-scale building automation system is too complex and cost-prohibitive. Edit: The reason this fix is needed is because the Ecobee thermostat doesnt allow setting a minimum fan runtime per comfort setting. Using the ecobee Web Portal. Compressor Stage 1 Max Runtime controls how long the ecobee will run the heat pump without hitting the set point before engaging Aux Heat You can adjust these values to your liking. Ecobee3 not turning on heat, but fan is on — Paspolini. I have an Ecobee3 Lite without humidifier control. If set to 0 the fan will turn off as soon as a call for heating or cooling has concluded. But Ecobee does not have fan schedule function ATM. Runtime data is reported and displayed in 5 minute intervals. Fan minimum run time 3. This is determined by the minimum ventilator runtime setting which can be. Ecobee Thermostat Fan Keeps Running>4 Reasons Why Ecobee Thermostat Fan Keeps Running. Is it possible to adjust the Ecobee “minimum fan runtime”? I would like to adjust my AC fan run more often at night. This is set to 300 seconds (5 minutes) by default. If the fan minimum run time is set for 15 minutes or lower, the fan will operate in two separate segments across the hour; if the fan minimum run time is set for 20 minutes or higher, the fan will run in four equal segments across the hour. What’s the optimal minimal fan runtime in the auto mode? : r/ecobee. My humidifier runs when the furnace fan is on. How to control your HVAC systems fan with your. How long should I run the fan on ecobee?. You can choose either the ecobee thermostat or your furnace to. Ecobee thermostats require a C wire to power on. Fan: allows you to set a fan minimum runtime value. If you see _minFanOnTime’s value change from 10 to 0 at the ecobee portal, and your fan is still running on its own (as the fan will still run when your HVAC is heating or cooling even if you set this parameter to 0), then there must be a problem with the way your fan is wired to your HVAC. Let the unit do its job and then let the coils drain between cycles. This means that during the 5:05 PM to 5:10 PM block, the ecobee ran the furnace for 3 minutes and 45 seconds, and ran the fan for 45 seconds. This is great to do if you know that the A/C or heat may not turn on many times (or at all) while you’re gone, so at least having the fan running will keep the air from getting stale. You have no basement to pull cool air from. What Is Fan Runtime on Ecobee? Recommended Settings & Minimum Runtime. Compressor Minimum On Time ‒ Sets the minimum amount of time the compressor stays on. Ecobee Thermostat How to & Troubleshooting Guide. I’ve got some hooks in place to support this. however its a bit chilly out today so the room never goes past 70 degrees. the ac wont trigger and you have stale …. Select the preferred minimum runtime (min/hr) when your home is occupied and the runtime for when your home is unoccupied. The minimum fan run time for the Ecobee Thermostat depends on what environment you live in and what temperature you prefer to keep your house at. Beginning with Ecobee Suite release 1. It does this using the fan and a specific time value. 18 - Fixed bug when setting Minimum Fan Runtime to 0 Changes to v3. To open the Main Menu, you will need to tap on the icon that looks like three parallel lines, located in the lower left corner Select System. Ecobee Not Turning On AC? (Possible Causes & Fixes). For instance, you will have to take account of the weather in your environment. This feature is useful if you wish to circulate the air throughout. This means that during the 5:05 PM to 5:10 PM block, the ecobee ran the furnace for 3 minutes and 45 seconds, and ran the fan for 45 seconds. When you switch between Auto and ON in fan control, the. Look at the Home IQ graphs from the ecobee web portal - does the indoor temperature drop slower while you have the temperature set back and the fan running all night, than if you. ecobee Suite Smart Circulation: Helper application that adjusts hourly circulation time (fan on minimum minutes) trying to get (and keep) 2 or more rooms (temperature sensors) to within a configurable temperature difference. This is because minimum fan runtime is only applicable if the fan setting is on Auto. This feature enables your ecobee to push out any remaining hot air left after the home has reached the temperature at which you set the thermostat. 16 - Fixed problem when resetting authorization. The significance of the minimum fan runtime is that it also supports the cooling and. This feature enables your ecobee to push out any remaining hot air left after the home has reached the temperature at which you set the thermostat. Its unique design is based on a minimum number of state & atomicState variables. Is it possible to adjust the Ecobee “minimum fan runtime”? I would like to adjust my AC fan run more often at night. shtml spud MasterSeer Posts: 8048 Canada #4 May 5, 2017, 07:20 AM. 9) Controlling your minimum fan time per hour during a climate/schedule run See the ecobeeSetFanMinOnTime smartapp 10) Generating some ecobee HVAC stats on a daily basis and sending them to groveStreams for data analytics See the following smartapps: ecobeeGenerateStats & groveStreams smartapps. The recommended fan runtime is approximately 5-20 minutes. ecobee Fan Runtime Explained (9 Key Things To Know). Your ecobee will ignore this inaccurate reading to prevent your heating or cooling from running excessively. The minimum fan runtime setting on your Ecobee Thermostat allows you to choose how long you want your HVAC fan to run between heating or cooling cycles. The length of time you run the fan depends on your environment. It sets the time the fan will run when it is on Auto setting. Setting fan runtime is useful for circulating air throughout the house outside of heating or cooling cycles. How often should I run my HVAC fan ecobee? The recommended minimum fan runtime every hour is approximately 5-20 minutes. This feature is useful if you wish to circulate the air throughout your home automatically outside of heating or cooling cycles. 17 - Added Minimum Fan Runtime device Changes to v3. Min Runtime Delta: or to satisfy the minimum fan “on” time. They tend to short cycle only run appx. ecobee Suite Smart Circulation: Helper application that adjusts hourly circulation time (fan on minimum minutes) trying to get (and keep) 2 or more rooms (temperature sensors) to within a configurable temperature difference. You only pick up condensation off of the coils and blow it around in the house, raising the Rel. Ability to enter a minimum fan runtime per hour - fanMinOnTime (optional) Ability to use your HRV/ERV as a dehumidifier and indicate the minimum runtime in minutes per hour (optional) Ability to use a power meter to control when your HRV/ERV/Dehumidifier/Humidifer can run (optional) Notifications can be sent to the ST user account (optional). For instance, when I am home change the fan minimum run time to 10 minutes to help circulate the cool air and reduce the need for AC. Default and recommended value is 300 seconds. RELEASE] Resilient & Comprehensive My Ecobee Devices (tstat. Minimum Fan Run Time setting in Comfort Settings : r/ecobee>Minimum Fan Run Time setting in Comfort Settings : r/ecobee. Anyone go through this before? What control did you use?. This is great to do if you know that the A/C or heat may not turn on many times (or at all) while you’re gone, so at least having the fan running will keep the air from getting stale. Have too many phones This is how I limit my monthly phone payment. Fan runtime on the Ecobee thermostat is a setting that allows you to choose how many minutes per hour you want the fan in your HVAC system to run, regardless of heating or cooling cycles. It does this using the fan and a specific time value. Once you have changed the fan setting to Auto, check your minimum fan runtime. An ecobee Thermostat is one of the essential temperature regulation build in the home. First, ensure you have a wire connected to the thermostat C terminal. Compressor Minimum Cycle Off Time: The amount of time the. Why does my Ecobee say “calibrating: heating and cooling. If you set it at zero, it means that you have not scheduled the fan to run after a set period. The minimum fan runtime is a setting available on your Ecobee Thermostat that allows you to choose how long you want your HVAC fan to run between heating or cooling cycles. Minimum Fan Runtime After turning on this setting for the Ecobee thermostat, you can set the minimum run time of the HVAC fan. However, the recommended time to run the Ecobee Thermostat is between five and 20-minutes How many minutes per hour should I run my HVAC fan? Most systems should run about 2-3 cycles per hour. The significance of the minimum fan runtime is that it also supports the. While you are free to determine the fan runtime you’d like to set on your ecobee, there is the minimum recommended period. The minimum fan runtime is a setting available on your Ecobee Thermostat that allows you to choose how long you want your HVAC fan to run between heating or cooling cycles. Go to fan control in heat mode Set to Ecobee thermostat Note: You must access this setting through the Ecobee thermostats as the app or the web access wont give you that. Ecobee recommends a minimum fan runtime that’s between 5 and 20 minutes. this is because fresh air needs to circulate in the space regardless of the temperature setting. How to Schedule Your Ecobee to Go Into Vacation Mode. My humidifier runs when the furnace fan is on. Why Isnt My Ecobee Fan Turning Off? Why is it Always On?. An ecobee Thermostat is one of the essential temperature regulation build in the home. minimize the use of auxiliary heat with a. This can be set from 0 to 55 minutes every hour, with 0 meaning that your fan will remain off until the next heating or cooling cycle begins. Setting fan runtime is useful for circulating air throughout the house outside of heating or cooling cycles. 3 minutes and have oil return issues. com>How to Set a Threshold on an ecobee Thermostat. Bug with setting minimum fan runtime : ecobee. fan Runtime hasDehumidifier (ecobee connected to a dehumidifier or not) hasHumidifier hasHrv or hasErv specific ecobee parameters related to 2-3 stage cooling/heating systems. A typical thermostatic will only query the switching of the fan,. If unsure, keep the default 20 min/hr value or contact a professional. I have an Ecobee3 Lite without humidifier control. Ecobee thermostats require a C wire to power on. ecobee thermostats can control your fan in a variety of ways to maximize your comfort. It just keeps the fan running after the burners are off to blow residual heat out of the metal ducts into your home. Go to fan control in heat mode Set to Ecobee thermostat Note: You must access this setting through the Ecobee thermostats as the app or the web access won’t give you that. But, keep in mind that. The minimum amount of time (in minutes) that the ventilator will run per hour, when you are away. An ecobee Thermostat is one of the essential temperature regulation build in the home. 9) Controlling your minimum fan time per hour during a climate/schedule run See the ecobeeSetFanMinOnTime smartapp 10) Generating some ecobee HVAC stats on a daily basis and sending them to groveStreams for data analytics See the following smartapps: ecobeeGenerateStats & groveStreams smartapps. Tried using an ICM bypass timer to bypass temp. When the temperature outdoors changes where the AC total daily runtime is less than 1 hour or two you could use a 15 minute minimum runtime. Where it says “Minimum fan runtime”, you can select an amount of time per hour that the fan should run. Edit: The reason this fix is needed is because the Ecobee thermostat doesnt allow setting a minimum fan runtime per comfort setting. Fan mode in Comfort Settings Featured Topics Thermostats SmartCamera SmartSensors ecobee Smart Security. Sep 21, 2005. This can be set from 0 to 55 minutes every hour, with 0 meaning that your fan will remain off until the next heating or cooling cycle begins. Setting fan runtime is useful for. Compressor Minimum Outdoor Temperature ‒ Sets the minimum outdoor temperature below which the compressor will not run. Otherwise, the fan will run only when the HVAC is fired up. The minimum fan runtime is a setting available on your Ecobee Thermostat that allows you to choose how long you want your HVAC fan to run between. EMS: Installation and setup guide. minimum fan run time setting and temperature control settings run concurrently. say you set the thermostat to cool until 72 degrees. Ideally, the time frames range from 0 – 55 minutes per hour. choose No if you are using a standalone dehumidification system that independently controls the system fan. There is little to be gained running it. Heat Dissipation Time ‒ Sets the amount of time the fan will continue to run once the heat is turned off. ecobee Fan Runtime Explained (9 Key Things Into Know). The Ecobee Suite Smart Ciculation Helper SmartApp will adjust fan mininum on time of an Ecobee thermostat as it tries to get two or more temperature sensors to converge. Schedule This menu allows you to view details about your thermostats. Mainly would like to control this feature by presence. Minimum Fan Run Time setting in Comfort Settings : r/ecobee. Ecobee recommends a minimum fan runtime thats between 5 and 20 minutes. This feature enables your ecobee to push out any remaining hot air left after the home has reached the temperature at which you set the thermostat. The ecobee Energy Management System (EMS) is the newest technology designed for the commercial market. It will run when HVAC is on, HVAC in fan only mode, and EITHER exterior temp to be false OR hvac fan only time > (y) time. You will need to consider several factors when setting your ecobee minimum fan time. The minimum amount of time (in minutes) that the ventilator will run per hour, when you are home. Fan runtime on the Ecobee thermostat is a setting that allows you to choose how many minutes per hour you want the fan in your HVAC system to run, regardless of heating or cooling cycles. Go to fan control in heat mode Set to Ecobee thermostat Note: You must access this setting through the Ecobee thermostats as the app or the web access won’t. Using the ecobee Web Portal>Using the ecobee Web Portal. Where it says “Minimum fan runtime”, you can select an amount of time per hour that the fan should run. Generally, the higher these are set, the longer the ecobee will wait before engaging Aux Heat. A second scene will turn off the fan. The minimum fan run time for the Ecobee Thermostat depends on what environment you live in and what temperature you prefer to keep your house at. Navigate to Quick Settings on your Ecobee. C- Unique integration with Ask Alexa (developed by Michael Struck), tstat commands can be sent and tips can be given by interacting with Alexa/Amazon echo. Nonetheless, as earlier mentioned, you are not limited to this duration. For instance, when I am home change the fan minimum run time to 10 minutes to help circulate the cool air and reduce the need for AC. Ideally, the time frames range from 0 – 55 minutes per hour. There is little to be gained running it. Compressor Minimum On Time ‒ Sets the minimum amount of time the compressor stays on. 1 Minimum Fan Runtime (Auto mode only) 34 Humidifier (if installed) 35 Dehumidifier (if installed) 36 Ventilator/HRV/ERV (if installed) 37 Adjusting Sensor Modes 38 Smart Home/Away 39 Follow Me 40 Adjusting Comfort Settings 41 Setting Your Weekly Schedule 42 Going on Vacation 43 Caring for your Thermostat 44 Cleaning 45 Rebooting. What Is Fan Runtime on Ecobee? Recommended Settings. The ecobee will divide the value you select throughout each hour. This feature allows you to define the minimum amount of time each hour that the system fan will run. Nest has the fan schedule function. minimum fan run time setting and temperature control settings run concurrently. Minimum Fan Runtime After turning on this setting for the Ecobee thermostat, you can set the minimum run time of the HVAC fan. ventilator_min_on_time_away: The minimum amount of time (in minutes) that the ventilator will run per hour, when you. Fan minimum run time 3. The ecobee Energy Management System (EMS) is the newest technology designed for the commercial market. During sleeping hours the fan is programmed to run 12 minutes per hour (apart from heating, cooling and humidity demands of course), and when the house is unoccupied the fan is simply set to auto, effectively off as heating and cooling set points are significantly set back in this situation as well. I have a inadequate duct system (1950s) to the second floor. Compressor Minimum On Time ‒ Sets the minimum amount of time the compressor stays on. Fan: allows you to set a fan minimum runtime value. The minimum fan run time for the Ecobee Thermostat depends on what environment you live in and what temperature you prefer to keep your house at. Updated Open Source Ecobee Device Type and …. The minimum fan runtime needs to be adjusted. According to the API this should be available. Updated Open Source Ecobee Device Type and. For HRVs, select whether or not you would like to use it t use it to dehumidify in winter. The default time for fan runtime is usually good for most homes. And yes, this feature works beautifully now that the system is hooked up correctly. Look at the Home IQ graphs from the ecobee web portal - does the indoor temperature drop slower while you have the temperature set back and the fan running all night, than if you dont have the fan running at all or very little? Running the fan can help make the house more comfortable during the winter, and keep condensation off windows. If you see _minFanOnTime’s value change from 10 to 0 at the ecobee portal, and your fan is still running on its own (as the fan will still run when your HVAC is heating or cooling even if you set this parameter to 0), then there must be a problem with the way your fan is wired to your HVAC. I looked into it at the time, and folks said it helped balance temperatures and filter air, which made sense, so I just left it alone.