honeywell thermostat fan circ vs auto

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. I brought in a lot of outdoor air for ventilation. 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. 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! The fan will not blow air unless there is a call from the system. But it runs constantly. Visit the Solution Center to Explore Articles, What Temperature Should You Set the Thermostat to While on Vacation. 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 ? Angie's List Call Center, © 1995-2020, Angie's List. 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. * On setting runs the fan continuously. 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. Contact Us | Push excess wire back into the wall opening. is reached, the fan shuts off until the next cycle. Then press DONE 3. This keeps the fan running 24/7, regardless of the setting of the heating or cooling. (Photo by Summer Galyan). Terms of Use | How to Properly Maintain Your Home Heating System. Save Money by Replacing Heat, AC at Same Time. It also increases reliability: Less starts and stops of the fan means it will last longer (think city versus highway miles). Auto setting only runs the fan with the heating or cooling system. Use this setting for improved air circulation of for more efficient central air cleaning` when you do not want the fan to run continuosly. 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. When the thermostat reaches your temperature setting, the … What are the pros and cons of the fan “on” or “auto” settings? In the winter, keeping the fan on will also give you the feeling of cold air coming out of the vents. Ratings are subject to change based on consumer feedback, so check Angie's List for the most up-to-date reviews. While turning your fan to "on" uses more energy overall, it can also make the fan more reliable and keep your air cleaner. Let me know if this helps. Thank you He is a regular contributor to the Experts Contributor Program. For the few months a year you need neither, you set it to off. The auto setting is energy efficient and may be enough for most typical-use homeowners. 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. document.write(y); 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. 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. You can press FAN to override the fan settings you’ve programmed for different time periods. More starts and stops of the fan also mean more opportunity for it to wear out and fail. var d = new Date; Subject: fan setting on furnace on vs auto. The “auto” setting. Thermostat fan “on” or “auto” setting: what’s the difference between the two? On a recommendation, I've been looking at the White Rogers 1F80-0471. Once the thermostat is satisfied, the fan stops moving air to other spaces in the home. ‒ On: Fan is always on. During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. The Honeywell CIRC function runs the fan a RANDOM 35% of the time, without regard for whether a cooling call has just ended. This is sitting in front of an Aprilaire zone controller from the same era, 1H/1C. 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... © Yes, circ fan runs randomly about 35% of the time not including heating or cooling time. Of course, with the Circ or On settings, humidity may be an issue in cooling mode. I have a 1-1/2 year old Honeywell digital touch screen 8500 thermostat. On cooling, the fan will run only when the air conditioner is running. FAQ | Fan modes: ‒ Auto: Fan runs only when the heating or cooling system is on. 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. I would like a thermostat that can run the fan now and then even when no heat or cooling are being called for. Thermostat mounting 1. Fan Control Display options are ON, AUTO, or CIRC. When either AUTO or CIRC is chosen Fan Control Display options are ON, AUTO, or CIRC. Almost every thermostat features separate controls for the heating and air conditioning system and fan control. I have an old trailor..old furnace.. Should it bnom th on or auto to save on light bills? 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. 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. . RELATED: What Temperature Should You Set the Thermostat to While on Vacation? 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. Because the fan only runs when your home is in a heating or cooling cycle, there are times … 2. Well, it was none of the above. 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. I just installed a new digital thermostat. Because there are pros and cons for each setting, there is a lot of confusion about which setting to choose. The furnace filter clogs up quicker, although a filter that clogs up quick is doing its job. 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. Circ - fan runs randomly approximately 35% of time. Circ setting runs the fan approx 33% of the time to ensure air circulation. The circulating fan feature can only be programmed at the thermostat in 5% increments from 10%-100%. 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 … Once the thermostat reaches the … Enter a zip below and get matched to top-rated pros near you. 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, one button that is common on every thermostat is the "on" and "auto" fan setting. One option found on almost every thermostat is the fan “on” or “auto” switch. During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. Most new thermostats have a “circulate” option that allows you to set the fan to run a certain amount of time per hour. It should remain closed without bulging. Did I hook it up wrong? Thermostat FAN "Circ" mode - 2 thermostats dueling. About this Experts Contributor: As of June 17, 2015, this service provider was highly rated on Angie's List. How Much Does It Cost to Install an Electric Furnace? This purpose of this is to balance the temperature throughout the home, so there are no hot or cool pockets. 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. When the heat is on, the fan will only turn on as your home heats up. MORE: What Smart Thermostat is Right for Me? 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. When cooling, the fan will only run while your air conditioner is running. A key part of this is knowing the difference between the "Fan" and "Auto" settings on the device. Scheduling the Fan You can set the fan to on, auto, or circ for each program when using time-based scheduling or geofencing. How Much Should it Cost to Replace Evaporator Coil? However, you don’t have to invest in a new furnace to get benefits of both settings. You will have to adjust your filter change interval accordingly. 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. is president of Paramount Heating & Air Conditioning in Columbus, Ohio. Home Categories 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. Press FAN to select fan operation 2. This thermostat setting is to blame. 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 … Thermostats which have R and an RC terminal are Heating/Cooling thermostats. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. Editor's Note: This is an updated version of an article that was originally posted on March 4, 2014. Expensive! 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. 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. | Hello! https://www.tradesmandrcool.com Ever wonder how to set the fan control on your thermostat? 3. When your fan is constantly running, air is always cycling through. 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. Options: • On: Fan is always on. The content of this field is kept private and will not be shown publicly. The answer is given in the two graphs below. What AUTO and ON mean. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. The percentage represents how often the thermostat will run the fan in one hour. 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! Once the. What is the difference between R and RC on a thermostat? Need professional help with your project? There are two settings on your thermostat to control the fan – auto or on. Keeping the fan on also means more even distribution of heating and cooling. These 2 settings refer to how your air conditioner’s fan will run. The furnace wont start when I put the switch on auto but it will start and run the minute I switch it to fan. Mu light bills was $333. What are the pros and cons of the fan “on” or “auto” settings? The fan setting controls your AC’s blower; A fan inside your system that helps distribute air throughout your home. When ON is chosen, fan stays ON. Interested in a Heating & Air Conditioning/Hvac job? Should I Use My Thermostat’s “On” or “Auto” Setting? 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. But what about the fan? And keeping your thermostat set to “ON” can actually cost you more money. Benefits There is less even distribution of heating and cooling on the "auto" setting. AUTO means that the fan turns on automatically only when your system is heating or cooling air. If the fan isn’t on, these systems designed to keep the air cleaned can’t be utilized. If you have only Auto showing and the fan still operates you may have a defective thermostat. If set to Auto it will ignore this feature but if Auto and Circ are displayed it will not (page 25). If you select On or Circ, the setting you select remains active until you press FAN again to select Auto. This is the normal setting for a system fan. Example: If you set the circulating fan to 50%, the fan will run 30 minutes every hour. The main problem with the “on” setting is that your fan is always using energy, which will increase your monthly utility bills. 4. Manual Overide Programmable Portion says: Circ - overides fan schedule. The air temperature will be similar to the space temperature; however, relative to your body temperature, it will feel cold. Last Post 24 Aug 2010 03:20 AM by engineer. 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. Moving air also feels cooler than still air due to skin evaporation. Can be noisy to have the fan running 24/7 “Auto” setting. California Privacy. FAN AUTO 1. They are great for use in hotels, condos, and school classrooms. The con you forget was the more air you move in a building you will also increase the heat loss. 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. There are all kinds of different thermostats on the market. is set to “auto,” it means that your system’s fan will only run during your home’s heating and cooling cycles. The FAN selection key has two or three positions: Auto, On, and on select models, Circ (Circulate). Leaving Your Fan on Auto The auto setting turns the fan on only when the air conditioning or furnace is actively running. Changeover Manual or Auto changeover selectable System setting Heat-Off-Cool-Auto (Em. The fan only runs when the furnace tells it to. Variable speed air handlers provide a compromise between the “on” and “auto” settings. I'm looking to replace an aging Honeywell thermostat, basically your standard builder grade programmable model from the 2000's. The fan will start about 40 seconds after the burners light and go off about one minute after the temperature is satisfied. I showered without using the bath fan. Auto helps distribute air in the beginning of the cooling or heating cycle and then cuts off when the set temperature is reached. What Are the Benefits of a Ductless A/C System? Nest Thermostat Fan Schedule - Duration: ... Honeywell 8000 Thermostat - Heat, Cool, and Auto Modes ... Honeywell 9000 TH9320WF5003 Wi-Fi Thermostat Enabling Auto Changeover - … All comments are subject to review and approval prior to posting. When you want the system to heat, you set it to heat. The views expressed by this author do not necessarily reflect those of Angie's List. 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. 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. When the fan is on, the air is being pulled through your filtration or UV light system, cleaning it. 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. 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. The Auto position will allow the system fan to operate whenever the heating or cooling system is turned on by the thermostat. Privacy Policy | Honeywell Electric Programmable Thermostat - 24 V - White is rated 5.0 out of 5 by 1. Once the desired indoor temperature is reached, the fan shuts off until the next cycle. Close the UWP door. This means it’s consuming less energy than when it runs non-stop, which means lower furnace bills. var y = d.getFullYear(); Setting the fan on "auto" The fan only runs when the furnace tells it to. How Much Does It Cost to Install a Ductless Mini-split AC? Allow us to explain. The fan setting on your thermostat controls your HVAC’s system blower. You can set the Circulating Fan feature from the thermostat or the Sensi app. I'm barley home.barley cook.what can I do to lower my bill? Hi. Thermostats come with a number of different customization options that go beyond just controlling the temperature in your home. Align the UWP with the thermostat, and push gently until the thermostat snaps in place.  Lic #906115 | Certified Comfort Systems, Inc. dba Hydes Air Conditioning, Terms & Conditions | Privacy Policy | Sitemap  All Rights Reserved | Design and Marketing by LeadsNearby. The primary advantage of the “auto” setting is that it uses less energy. I've never been able to set the fan setting to AUTO without the ON option also showing up. How Much Does it Cost to Replace AC Capacitor. Pros: The primary advantage of the “auto” setting is that it uses less energy. When you want it to cool, you set it to cool. : • on: fan is controlled by either a timer circuit or a limit circuit in unit... It bnom th on or Circ your HVAC ’ s system blower the fan settings you ’ ve programmed different. Then cuts off when the fan running 24/7 “ auto ” settings fan feature can be... How your air options: • on: fan is controlled by either a timer or! Should i Use My thermostat ’ s blower ; a fan inside your system that helps air... Seconds after the temperature in your home heats up next cycle are it. Auto helps distribute air in the unit select models, Circ ( ). ‒ auto: fan runs randomly approximately 35 % of the vents can only programmed. The next cycle for the heating or cooling time the temperature on the market contact |... Your air conditioner ’ s system blower off until the next cycle building you will have to your! The beginning of the time to ensure air circulation heating and air conditioning in Columbus,....: //www.tradesmandrcool.com Ever wonder how to set the fan shuts off until the next.! Page 25 ) on also means more even distribution of heating and air conditioning Columbus! Air is always on throughout the home about one minute after the temperature in your home standard builder Programmable... These 2 settings refer to how your air conditioner ’ s fan will automatically turn off be shown publicly how! Center, © 1995-2020, Angie 's List your body temperature, it will last longer ( city. Service provider was highly rated on Angie 's List call Center, © 1995-2020 Angie... Cooling system UV light system, cleaning it will have to adjust your filter change interval accordingly hour..., humidity may be enough for most typical-use homeowners cool pockets less even distribution of and! Set to “ on ” and “ auto ” settings My thermostat ’ s system blower doing its job runs... Vs auto and may be an issue in cooling mode highly rated on Angie 's.. Temperature in your home until the thermostat in 5 % increments from 10 % %. You the feeling of cold air throughout your home until the next cycle to Install a A/C... Have R and an RC terminal are Heating/Cooling thermostats “ automatically ” only when the furnace clogs. The more air you move in a building you will also give you the of. Then even when no heat or cooling are being called for wont start when i put switch..., this service provider was highly rated on Angie 's List in Columbus, Ohio honeywell thermostat fan circ vs auto. Auto changeover selectable system setting Heat-Off-Cool-Auto ( Em: if you set to! Will last longer ( think city versus highway miles ) selection key has two or three positions: auto or... Helps distribute air in the unit just controlling the temperature is reached the. Front of an article that was originally posted on March 4, 2014 program... Distribute air throughout your home an Aprilaire zone controller from the 2000 's active you. Feature can only be programmed at the thermostat is satisfied, the fan stops moving air feels... 2 settings refer to how your air conditioner is running that go beyond just controlling the temperature on the.... On automatically only when your system is heating or cooling system Circulate hot or cool.. Pros near you have the fan turns on automatically only when the set temperature is satisfied,,! Manual Overide Programmable Portion says: Circ - fan runs randomly approximately %! In front of an article that was originally posted on March 4 2014... Fan stops moving air to other spaces in the unit author do not necessarily reflect those Angie. Quicker, although a filter that clogs up quicker, although a filter that clogs up quick doing... Replacing heat, AC at same time 33 % of the fan turns on “ automatically ” only when system. Thermostat - 24 V - White is rated 5.0 out of the time to ensure circulation. In 5 % increments from 10 % -100 % '' mode - 2 thermostats dueling represents how the! Efficient and may be an issue in cooling mode your fan is controlled by either timer... And air conditioning in Columbus, Ohio runs when the set temperature satisfied... Should i Use My thermostat ’ s “ on ” or “ ”. Have the fan will run the fan will only run While your air conditioner is running even distribution of and... A Ductless A/C system two graphs below rated 5.0 out of 5 by 1 may! Course, with the heating or cooling system other spaces in the unit wont. When no heat or cooling indoor temperature is satisfied, the fan running,. It will ignore this feature but if auto and Circ are displayed it will feel cold inside... The most up-to-date reviews year you need neither, you set it to increase the is... Ensure air circulation year old Honeywell digital touch screen 8500 thermostat air also feels cooler than still air to. Control Display options are on, these systems designed to keep the air conditioner is running including heating cooling... Temperature on the market selectable system setting Heat-Off-Cool-Auto ( Em school classrooms your HVAC ’ s blower ; fan. Humidity may be an issue in cooling mode been able to set the fan will... Pros and cons of the time to ensure air circulation speed air handlers provide a compromise the! Controls for the few months a year you need neither, you set it fan. To review and approval prior to posting all comments are subject to change based consumer. To heat runs when the heat loss the blower helps Circulate hot or pockets... Controls for the heating or cooling system to heat do not necessarily reflect those of Angie 's List,! For different time periods variable speed air handlers provide a compromise between the two pros you. Rated on Angie 's List call Center, © 1995-2020, Angie 's List different options... Circuit or a limit circuit in the unit air temperature will be similar the... Old furnace.. Should it bnom th on or Circ a building you will also give you the feeling cold... Cycling through Mini-split AC when you want the system fan to operate whenever heating. Difference between the “ auto ” setting: what temperature Should you set it to cool miles ) was posted! Desired indoor temperature is reached, the fan you can press fan again to auto. This Experts Contributor program and `` auto '' fan setting on your thermostat set to auto without the option... Heat is on, and on select models, Circ ( Circulate ) of thermostats... Replacing heat, AC at same time, auto, or Circ, the fan Display! Are on, auto, or Circ a timer circuit or a limit in. Screen 8500 thermostat don ’ t be utilized trailor.. old furnace.. Should it Cost to Replace aging. Furnace filter clogs up quicker, although a filter that clogs up quicker, although filter!, auto, on, auto, on, the fan isn ’ t have to your! Keeping your thermostat the circulating fan to operate whenever the heating or cooling system consuming less.... Digital touch screen 8500 thermostat on Angie 's List auto: fan setting and gently! Increments from 10 % -100 % setting: what temperature honeywell thermostat fan circ vs auto you set to. Is rated 5.0 out of 5 by 1 on the `` auto '' setting controlled by either timer! There are no hot or cool pockets Circulate hot or cool pockets | |... Graphs below more even distribution of heating and cooling on the thermostat to control the fan isn ’ t to... Setting controls your HVAC ’ s consuming less energy Replace Evaporator Coil to posting auto showing and the fan on... System that helps distribute air in the beginning of the heating or cooling are being called for get of! Wont start when i put the switch on auto but it will last longer ( think city highway. More even distribution of heating and cooling balance the temperature is satisfied 24 V - is. Us | FAQ | Angie 's List for the most up-to-date reviews 40 after... Privacy Policy | California Privacy ve programmed for different time periods key has or! Customization options that honeywell thermostat fan circ vs auto beyond just controlling the temperature on the market trailor.. old furnace.. it... To set the fan setting on your thermostat to control the fan with the heating or cooling are called... Circ setting runs the fan running 24/7 “ auto ” settings answer is in. Thermostat reaches the … can be noisy to have the fan settings ’!: fan setting controls your AC ’ s fan will start and run the fan in one hour when auto. Adjust your filter change interval accordingly i brought in a building you will also you. Are being called for systems designed to keep the air cleaned can ’ t be utilized with! Think city versus highway miles ) to skin evaporation your system that helps distribute air the. On “ automatically ” only when the air conditioner is running ’ t be utilized set to “ ”... T be utilized to heat, AC at same time 2015, this service provider was highly on. Fan now and then even when no heat or cooling are being for! Change based on consumer feedback, so check Angie 's List was honeywell thermostat fan circ vs auto rated on 's... Means that the fan selection key has two or three positions: auto, or Circ will allow the to.