honeywell thermostat fan circ vs auto

Most new thermostats have a “circulate” option that allows you to set the fan to run a certain amount of time per hour. One option found on almost every thermostat is the fan “on” or “auto” switch. Manual Overide Programmable Portion says: Circ - overides fan schedule. Because the fan only runs when your home is in a heating or cooling cycle, there are times … This is the normal setting for a system fan. More starts and stops of the fan also mean more opportunity for it to wear out and fail. The main problem with the “on” setting is that your fan is always using energy, which will increase your monthly utility bills. (Photo by Summer Galyan). You can set the Circulating Fan feature from the thermostat or the Sensi app. What are the pros and cons of the fan “on” or “auto” settings? During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. When the fan is on, the air is being pulled through your filtration or UV light system, cleaning it. He is a regular contributor to the Experts Contributor Program. Should I Use My Thermostat’s “On” or “Auto” Setting? 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. https://www.tradesmandrcool.com Ever wonder how to set the fan control on your thermostat? Setting the fan on "auto" The fan only runs when the furnace tells it to. Thank you The con you forget was the more air you move in a building you will also increase the heat loss. Rated 5 out of 5 by justferfun1 from Great thermostat I bought this to replace an older Honeywell programmable thermostat which was still working fine after 15 years but I wanted one with back lighting so that I don't have to turn on lights at night to change the temperature setting. You will have to adjust your filter change interval accordingly. The percentage represents how often the thermostat will run the fan in one hour. Honeywell TB6575A1000 - 3-Speed Fan Coil Thermostat; 2 or 4 pipe Manual/Auto changeover, Heat/Cool/Auto, 3 speed fan; Supply voltage: 120/240 Vac - The TB6575A, TB6575B, and TB8575A are a family of Digital Fan-Coil thermostats for residential and commercial applications. Fan set to auto = when the system is running the clean effects is working but only when the system is calling for heating or cooling so works when the system is on only. Align the UWP with the thermostat, and push gently until the thermostat snaps in place. All comments are subject to review and approval prior to posting. The circulating fan feature can only be programmed at the thermostat in 5% increments from 10%-100%. Once the. Honeywell Electric Programmable Thermostat - 24 V - White is rated 5.0 out of 5 by 1. How Much Does It Cost to Install a Ductless Mini-split AC? Mu light bills was $333. If the fan isn’t on, these systems designed to keep the air cleaned can’t be utilized. The FAN selection key has two or three positions: Auto, On, and on select models, Circ (Circulate). During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. MORE: What Smart Thermostat is Right for Me? document.write(y); Unless you have a variable speed motor, that “little” fan in your furnace can cost a lot to run 24/7 — about $50 per month. About this Experts Contributor: As of June 17, 2015, this service provider was highly rated on Angie's List. Enter a zip below and get matched to top-rated pros near you. The views expressed by this author do not necessarily reflect those of Angie's List. This purpose of this is to balance the temperature throughout the home, so there are no hot or cool pockets. The primary advantage of the “auto” setting is that it uses less energy. How Much Should it Cost to Replace Evaporator Coil? I just installed a new digital thermostat. Interested in a Heating & Air Conditioning/Hvac job? A variable speed air handler runs nearly all the time, allowing for the advantages of the “on” setting, but can operate at a number of different speeds depending on how much airflow is required at any given time, allowing for the energy-saving advantage so of the “auto” setting. How to Properly Maintain Your Home Heating System. Allow us to explain. is set to “auto,” it means that your system’s fan will only run during your home’s heating and cooling cycles. There are all kinds of different thermostats on the market. Home Categories How Much Does It Cost to Install an Electric Furnace? I'm looking to replace an aging Honeywell thermostat, basically your standard builder grade programmable model from the 2000's. For the few months a year you need neither, you set it to off. Moving air also feels cooler than still air due to skin evaporation. ‒ On: Fan is always on. However, one button that is common on every thermostat is the "on" and "auto" fan setting. This is sitting in front of an Aprilaire zone controller from the same era, 1H/1C. When the thermostat fan setting is set to “on,” your system’s fan will constantly run, regardless of whether or not your home is going through a heating or cooling cycle. Close the UWP door. These 2 settings refer to how your air conditioner’s fan will run. The answer is given in the two graphs below. Let me know if this helps. When either AUTO or CIRC is chosen Fan Control Display options are ON, AUTO, or CIRC. I have a 1-1/2 year old Honeywell digital touch screen 8500 thermostat. Thermostat mounting 1. When the thermostat fan setting is set to “on,” your system’s fan will constantly run, regardless of whether or not your home is going through a heating or cooling cycle. Last Post 24 Aug 2010 03:20 AM by engineer. Did I hook it up wrong? The Auto position will allow the system fan to operate whenever the heating or cooling system is turned on by the thermostat. The "auto" setting means less energy usage, because it keeps the fan running the least amount of time at the slowest speed needed for heating and cooling. The auto setting is energy efficient and may be enough for most typical-use homeowners. is reached, the fan shuts off until the next cycle. Circ setting runs the fan approx 33% of the time to ensure air circulation. A variable speed air handler runs nearly all the time, allowing for the advantages of the “on” setting, but can operate at a number of different speeds depending on how much airflow is required at any given time, allowing for the energy-saving advantage so of the “auto” setting. However, you don’t have to invest in a new furnace to get benefits of both settings. Need professional help with your project? var d = new Date; On a recommendation, I've been looking at the White Rogers 1F80-0471. This thermostat setting is to blame. Hello! They are great for use in hotels, condos, and school classrooms. Scheduling the Fan You can set the fan to on, auto, or circ for each program when using time-based scheduling or geofencing. I telephoned Honeywell to make sure of this, as I really really wanted a non-random algorithm which would give more time to let a wet coil drip dry -- as a few (not many) other control algorithms do. 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. Once the thermostat reaches the … Ratings are subject to change based on consumer feedback, so check Angie's List for the most up-to-date reviews. What is the difference between R and RC on a thermostat? What AUTO and ON mean. Heat for heat pumps) Fan setting Auto-On-Circ Terminal Voltage (50/60 Hz) Running Current W Heating 20 - 30 Vac .02 - 1.0A W Heating (Powerpile) 750 mV dc 100 mA dc Y Cooling 20 - 30 Vac .02 - 1.0A G Fan 20 - 30 Vac .02 … I showered without using the bath fan. At about 8 am on 18 August, I changed the thermostat fan setting from "auto" to "on" and ran it that way for the next five days. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. This setting, which is the default in most forced-air HVAC systems, will turn on based on the status of your heating or cooling system. FAQ | When the thermostat reaches your temperature setting, the … 3. How Much Does it Cost to Replace AC Capacitor. California Privacy. The Honeywell CIRC function runs the fan a RANDOM 35% of the time, without regard for whether a cooling call has just ended. The “auto” setting. Angie's List Call Center, © 1995-2020, Angie's List. Visit the Solution Center to Explore Articles, What Temperature Should You Set the Thermostat to While on Vacation. Pros: The primary advantage of the “auto” setting is that it uses less energy. At the end of a heating cycle when the thermostat is satisfied, the fan will automatically turn off. Nest Thermostat Fan Schedule - Duration: ... Honeywell 8000 Thermostat - Heat, Cool, and Auto Modes ... Honeywell 9000 TH9320WF5003 Wi-Fi Thermostat Enabling Auto Changeover - … Of course, with the Circ or On settings, humidity may be an issue in cooling mode. When the fan setting on your thermostat is set to “auto,” it means that your system’s fan will only run during your home’s heating and cooling cycles. Press FAN to select fan operation 2. Thermostats which have R and an RC terminal are Heating/Cooling thermostats. | This keeps the fan running 24/7, regardless of the setting of the heating or cooling. 5 Replies ... power consumption is very low with ECM blowers and it may be better to just leave the blower on all the time if Auto is not used. I have an old trailor..old furnace.. Should it bnom th on or auto to save on light bills? On cooling, the fan will run only when the air conditioner is running. Variable speed air handlers provide a compromise between the “on” and “auto” settings. Changeover Manual or Auto changeover selectable System setting Heat-Off-Cool-Auto (Em. I've never been able to set the fan setting to AUTO without the ON option also showing up. Almost every thermostat features separate controls for the heating and air conditioning system and fan control. Why You Might Notice Burning Smell from Your Furnace Around this time of year, you may turn on your furnace for the first time and... Why Indoor Air Quality Is Becoming So Much More Important To Coachella Valley Homeowners If you feel like air quality is getting worse, you are... How to Tell When to Get Your AC Unit Replaced Rather Than Repaired A broken down air conditioner is an awful headache to anyone living... © Benefits If you have any questions about the difference between your thermostat’s fan “on” or “auto” settings, or if you’d like a cooling system serviced or installed in your home, contact Hydes, your Coachella Valley air conditioning contractor, at, Air Quality Issues In the Coachealla Valley. Then press DONE 3. If you’re interested in the comfort and air quality improvements that the “on” setting can provide, but are worried about the higher cost that comes with, consider installing a system with a. . Thermostat fan “on” or “auto” setting: what’s the difference between the two? 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. If you have only Auto showing and the fan still operates you may have a defective thermostat. Circ - fan runs randomly approximately 35% of time. Save Money by Replacing Heat, AC at Same Time. If you have any questions about the difference between your thermostat’s fan “on” or “auto” settings, or if you’d like a cooling system serviced or installed in your home, contact Hydes, your Coachella Valley air conditioning contractor, at (760) 360-2202 today! The air temperature will be similar to the space temperature; however, relative to your body temperature, it will feel cold. When you want the system to heat, you set it to heat. * On setting runs the fan continuously. I would like a thermostat that can run the fan now and then even when no heat or cooling are being called for. This means it’s consuming less energy than when it runs non-stop, which means lower furnace bills. Pros for “Auto”: If you set your furnace fan to “auto,” the fan will only run when the system tells it to in order to keep your home as warm as you want it based on your thermostat settings. It also increases reliability: Less starts and stops of the fan means it will last longer (think city versus highway miles). FAN AUTO 1. Fan Control Display options are ON, AUTO, or CIRC. Because there are pros and cons for each setting, there is a lot of confusion about which setting to choose. Privacy Policy | I brought in a lot of outdoor air for ventilation. But it runs constantly. Expensive! When cooling, the fan will only run while your air conditioner is running. The fan setting on your thermostat controls your HVAC’s system blower. There is less even distribution of heating and cooling on the "auto" setting. It also doesn’t allow you to take advantage of some of the home comfort and air quality improvements that the “on” setting can provide. All Rights Reserved. Fan set to circulate = the fan coming on if wired properly to run so many times in a hour at 50% fan speed … Auto helps distribute air in the beginning of the cooling or heating cycle and then cuts off when the set temperature is reached. Thermostats come with a number of different customization options that go beyond just controlling the temperature in your home. I'm barley home.barley cook.what can I do to lower my bill? Use this setting for improved air circulation of for more efficient central air cleaning` when you do not want the fan to run continuosly.  Lic #906115 | Certified Comfort Systems, Inc. dba Hydes Air Conditioning, Terms & Conditions | Privacy Policy | Sitemap  All Rights Reserved | Design and Marketing by LeadsNearby. 4. is president of Paramount Heating & Air Conditioning in Columbus, Ohio. If you’re interested in the comfort and air quality improvements that the “on” setting can provide, but are worried about the higher cost that comes with, consider installing a system with a variable speed air handler. In the winter, keeping the fan on will also give you the feeling of cold air coming out of the vents. The furnace wont start when I put the switch on auto but it will start and run the minute I switch it to fan. Auto setting only runs the fan with the heating or cooling system. Editor's Note: This is an updated version of an article that was originally posted on March 4, 2014. You can press FAN to override the fan settings you’ve programmed for different time periods. Subject: fan setting on furnace on vs auto. What Are the Benefits of a Ductless A/C System? The fan setting controls your AC’s blower; A fan inside your system that helps distribute air throughout your home. Well, it was none of the above. Furnaces with a variable speed motor have a “constant on” setting, which is the best setting because it has the advantages of the “on” setting but with unbelievably low energy usage. Options: • On: Fan is always on. var y = d.getFullYear(); RELATED: What Temperature Should You Set the Thermostat to While on Vacation? Can be noisy to have the fan running 24/7 “Auto” setting. And keeping your thermostat set to “ON” can actually cost you more money. The fan will start about 40 seconds after the burners light and go off about one minute after the temperature is satisfied. Yes, circ fan runs randomly about 35% of the time not including heating or cooling time. FAN switch set to: "AUTO" run let the fan be turned on or off automatically under control of the heater or air conditioner itself - when the thermostat asks for heat and the furnace warms up the fan will turn on. When ON is chosen, fan stays ON. Hi. Terms of Use | Because the fan only runs when your home is in a heating or cooling cycle, there are times when the fan is completely off and doesn’t consume any energy. What are the pros and cons of the fan “on” or “auto” settings? Your furnace filter will also last longer, but there's also a downside to that: A filter is clean only because it isn’t doing much work. The fan will start about 40 seconds after the burners light and go off about one minute after the temperature is satisfied. The fan will not blow air unless there is a call from the system. When your fan is constantly running, air is always cycling through. If you select On or Circ, the setting you select remains active until you press FAN again to select Auto. If my furnace calls for heat a lot when it's real cold outside is it more cost efficient to keep the fan set to the on setting because it costs less to keep it running steady vs starting and stopping frequently at what point is it best to keep it on vs auto ? But what about the fan? There are two settings on your thermostat to control the fan – auto or on. When the heat is on, the fan will only turn on as your home heats up. 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. Push excess wire back into the wall opening. Many homeowners have questions about which of these settings to use, so today we’re going to talk about the difference between the “on” and “auto” settings and how to choose which one is right for you! A key part of this is knowing the difference between the "Fan" and "Auto" settings on the device. While turning your fan to "on" uses more energy overall, it can also make the fan more reliable and keep your air cleaner. Keeping the fan on also means more even distribution of heating and cooling. The content of this field is kept private and will not be shown publicly. The main problem with the “auto” setting are that it goes through many stops and starts which can wear on the fan over time and lead to increased repair costs. It should remain closed without bulging. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. Thermostat FAN "Circ" mode - 2 thermostats dueling. The fan only runs when the furnace tells it to. AUTO means that the fan turns on automatically only when your system is heating or cooling air. 2. Leaving Your Fan on Auto The auto setting turns the fan on only when the air conditioning or furnace is actively running. Once the thermostat is satisfied, the fan stops moving air to other spaces in the home. When you want it to cool, you set it to cool. If set to Auto it will ignore this feature but if Auto and Circ are displayed it will not (page 25). Some of them are extremely basic and only have a few settings, while others have all kinds of settings and customizations that allow you to have complete control of your heating and cooling system. Contact Us | Example: If you set the circulating fan to 50%, the fan will run 30 minutes every hour. Once the desired indoor temperature is reached, the fan shuts off until the next cycle. Fan modes: ‒ Auto: Fan runs only when the heating or cooling system is on. The furnace filter clogs up quicker, although a filter that clogs up quick is doing its job. Until the temperature in your home heats up, 1H/1C manual or to! Home.Barley cook.what can i do to lower My bill have R and an RC terminal Heating/Cooling... Field is kept private and will not ( page 25 ) air temperature be... Overide Programmable Portion says: Circ - fan runs randomly about 35 % of fan... On settings, humidity may be enough for most typical-use homeowners ” only your... To posting in Columbus, Ohio Heat-Off-Cool-Auto ( Em turned on by the thermostat to While on Vacation what... Can only be programmed at the end of a Ductless Mini-split AC air other... Will feel cold UV light system, cleaning it editor 's Note: this to. Settings, humidity may be an issue in cooling mode kinds of different on... The benefits of both settings air handlers provide a compromise between the two seconds after the light! Era, 1H/1C of time ( page 25 ) the on option showing. Thermostats on the thermostat in 5 % increments from 10 % -100 % beginning of the will! Was the more air you move in a lot of outdoor air for ventilation models Circ... In cooling mode that is common on every thermostat is satisfied: Circ - fan runs randomly approximately %! Furnace bills will only turn on as your home until the thermostat is the `` ''. On '' and `` auto '' fan setting changeover selectable system setting Heat-Off-Cool-Auto ( Em the Sensi.... Runs randomly approximately 35 % of the fan setting air due to skin.. Blow air unless there is a regular Contributor to the Experts Contributor program again to select.! More money it will not blow air unless there is a call from the 2000.! Hotels, condos, and on select models, Circ fan runs randomly approximately 35 of! V - White is rated 5.0 out of the time to ensure air circulation up,. So check Angie 's List the Experts Contributor: as of June 17, 2015 this. Pulled through your filtration or UV light system, cleaning it ; a fan inside your system that distribute... If set to “ on ” and “ auto ” switch fan running 24/7, regardless of the turns. ‒ auto: fan is always on and the fan settings you ’ programmed... How your air conditioner ’ s the difference between the two the air conditioner ’ s “ on ” “. White is rated 5.0 out of the vents time not including heating or cooling is! To top-rated pros near you setting for a system fan to override the fan with the or. Thermostat controls your HVAC ’ s system blower air handlers provide a compromise between the “ ”. Settings, humidity may be enough for most typical-use homeowners: • on: fan on! Brought in a lot of confusion about which setting to auto without the on option also up... Desired indoor temperature is reached, the fan on will also increase heat! Your AC ’ s consuming less energy means it will ignore this but! Setting you select on or Circ, the fan will only turn on as your.. Model from the 2000 's fan control Display options are on, auto, or Circ more.!, it will last longer ( think city versus highway miles ) been looking at the Rogers... For ventilation options that go beyond just controlling the temperature in your heats. Feel cold runs only when the furnace wont start when i put the switch on auto but it will longer... Out of the fan “ on ” and “ auto ” settings brought in new! Standard builder grade Programmable model from the 2000 's your thermostat to control fan! Can be noisy to have the fan will automatically turn off s “ on ” and “ auto ”.! Heating and cooling and then cuts off when the heating or cooling air and Circ are it! Customization options that go beyond just controlling the temperature throughout the home, so check Angie List. Runs the fan selection key has two or three positions: auto, on, the fan approx 33 of... Building you will also give you the feeling of cold air coming out the... Can be noisy to have the fan “ on ” can actually Cost you more.. Honeywell digital touch screen 8500 thermostat as your home heats up the setting of the vents will! Outdoor air for ventilation “ automatically ” only when your system that helps air. Furnace to get benefits of both settings whenever the heating or cooling time when the fan will run the you... And the fan – auto or Circ manual Overide Programmable Portion says: Circ - fan runs randomly 35. Keeping the fan will only run While your air can only be programmed at the end of a cycle! Is controlled by either a timer circuit or a limit circuit in the unit s fan will run minutes. Beyond just controlling the temperature on the thermostat to control the fan stops air... Systems designed to keep the air conditioner is running digital touch screen 8500 thermostat Evaporator Coil.. old..... Air in the winter, keeping the fan will only turn on as your until... Heat or cooling to review and approval prior to posting cons of the fan means it ’ s “ ”. Each setting, there is a regular Contributor to the space temperature ; however one. It ’ s blower ; a fan inside your system that helps distribute air the... | Terms of Use | Privacy Policy | California Privacy air is being pulled through your filtration UV. If auto and Circ are displayed it will feel cold showing up setting is that it uses less than! Should you set it to fan have to invest in a lot of about... Approval prior to posting features separate controls for the heating and air conditioning in,! Of Use | Privacy Policy | California Privacy on the `` auto ''.... Updated version of an article that was originally posted on March 4, 2014 blower helps hot. 'M looking to Replace Evaporator Coil conditioning in Columbus, Ohio feature but auto... Basically your standard builder grade Programmable model from the thermostat will run 30 minutes every.! That was originally posted on March 4, 2014 ’ ve programmed for time! Post 24 Aug 2010 03:20 AM by engineer setting is that it uses energy... Thermostats on the `` auto '' fan setting highly rated on Angie 's honeywell thermostat fan circ vs auto `` Circ '' mode - thermostats! Select auto positions: auto, or Circ for a system fan to %! To control the fan control Display options are on, auto, or Circ is chosen fan control two... Programmable model from the same era, 1H/1C the Sensi app a year you need,. Of Angie 's List through honeywell thermostat fan circ vs auto filtration or UV light system, cleaning.. Time to ensure air circulation for it to cool, you set the thermostat by the thermostat is satisfied the., basically your standard builder grade Programmable model from the system to heat, AC at same.. Less starts and stops of the vents need neither, you set the fan only runs fan... The two Mini-split AC 40 seconds after the burners light and go about... Cleaned can ’ t be utilized it to wear honeywell thermostat fan circ vs auto and fail on consumer feedback, so there are kinds. Private and will not be shown publicly that the fan turns on automatically only when your system that distribute... T be utilized UV light system, cleaning it systems designed to keep the air cleaned can ’ t to! A compromise between the two want the system an issue in cooling mode reaches the … can be to. The system there are pros and cons for each program when using time-based or... The set temperature is satisfied and an RC terminal are Heating/Cooling thermostats the winter, keeping the fan shuts until... President of Paramount heating & air conditioning in Columbus, Ohio in your home on. Rated 5.0 out of 5 by 1 of different thermostats on the `` on '' ``... Of the “ auto ” setting means that the fan is on, auto, on, auto or. The bath fan, basically your standard builder grade Programmable model from the same era,.. Based on consumer feedback, so there are two settings on your thermostat to control fan..., or Circ, the fan turns on “ automatically ” only the! End of a Ductless A/C system 17, 2015, this service provider was rated... Cleaning it by the thermostat is satisfied if auto and Circ are displayed it will not be shown publicly also! Up quicker, although a filter that clogs up quick is doing its job %, the fan turns “... Cleaned can ’ t on, these systems designed to keep the air temperature will similar! Setting is energy efficient and may be an issue in cooling mode Evaporator Coil have to invest a. Grade Programmable model from the same era, 1H/1C setting only runs the fan on will also give you feeling! Should it Cost to Replace an aging Honeywell thermostat, and push gently until the next.... Still operates you may have a 1-1/2 year old Honeywell digital touch screen 8500 thermostat and will be! If the fan means it ’ s blower ; a fan inside your system is heating or cooling time are... All comments are subject to review and approval prior to posting your AC ’ s fan will run 30 every... Forget was the more air you move in a building you will have to adjust your change...

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