As for whether it’s helpful or harmful to your HVAC system to run the fan continuously, there’s no clear answer. Keeping your fan on AUTO is the most energy-efficient option. How To Remove And Replace The Bottom Seal On A Shower Door? If this is set to AUTO, the BLOWER FAN only operates when the furnace makes HEAT or the AC is cooling. You can affect the air movement by setting the fan to auto … Bad Smell From Central Air Conditioner – What Causes Moldy Smell? The BLOWER FAN has a switch on the thermostat that has 2 positions. Pros to Keeping Fan Continuously Running: Keeping the fan on creates an evener distribution of heating and cooling, circulating the air if you have cold or hot spots in your house, like a bedroom above a garage. Huntsville, AL 35806, Office: 256-428-1983 Refrigerator Not Working After Power Outage – What To Check First? How To Change Fan Speeds On A Ceiling Fan? AC Not Blowing Cold – How To Get Air Conditioner To Blow Cool Air? Click here to know more about using the circulating fan feature. When it is set on “auto”, the fan turns on ONLY when your system is running. Setting the thermostat to FAN ON will simply move the air, not cool the air. Setting the thermostat to FAN ON will simply move the air, not cool the air. The fan’s “AUTO” setting works with your heating + cooling system, so your fan is running the least amount of time … Setting the fan to “auto” may be more cost-effective and use less energy. The thermostat on your wall that controls your HVAC system is … The Ice Maker On My LG Refrigerator Does Not Make Ice – How To Fix? Why Does A Circuit Breaker Keep Tripping? 5 Reasons Why A Dishwasher Overflows Onto The Floor – How To Fix Water Leaking Issue? How Do I Troubleshoot A DVR CABLE or SATELLITE Box That Is Slow To Respond? Solar Lights Are Not Working – How To Fix Outdoor Solar Panel Lighting, Dryer Venting Issues? The fan will start about 40 seconds after the burners light and go off about one minute after the temperature is satisfied. Let me back up a bit here. Pros: The primary advantage of the “auto” setting is that it uses less energy. Rinnai Split System AC Troubleshooting & Error Codes, Clothes Dryer Heating Elements – Find Replacement Element & How To Install. Most thermostats have two fan settings: “Auto” and “On.” The “Auto” setting means your system will turn the fan on when it needs to circulate heated air, … Dishes Not Clean After Washing In Dishwasher – 10 Helpful Tips. If a single fan is used, it should be facing (and blowing air) in the same direction the air is naturally moving. Bosch Dishwasher Beeping – How To Turn Off Alarm Sound? Home / Articles that Educate / Should you set your Fan to Auto or On. Programmable Honeywell Thermostat PDF Manual. 1. Keep the thermostat set to “AUTO” FAN so it is not constantly running. How To Get Hot Water Faster – Hot Water To Faucet Takes Too Long, Mini Fridge Stopped Cooling – Refrigerator Not Cool, How To Center A Laptop Screen – Fix Off Center Screen, How To Fix A Dishwasher That Is Not Draining. How To Reset Maytag Refrigerator Control Panel After Water Filter Change? Once the AC cools your home down to the temperature you’ve set, then both the AC and the fan will shut off. (4) Running ceiling fans upstairs on the low setting and in the counterclockwise direction will also help and will use much less energy (about 25 watts) than the system blower fan which uses about 500 watts. Fan Operation The desired fan mode is selected in addition to selected mode of o peration. Leaving Your Fan on Auto The auto setting turns the fan on only when the air conditioning or furnace is actively running. Thermostat – Set FAN To AUTO for energy savings. Learn how your comment data is processed. Washing Machine Leaking Water From Bottom – How To Fix? The fan can be controlled through a timer circuit inside the unit. That removes some of the burden from your AC system, Braun says. If your fan is set to On, that means the fan going to stay on all the time, whether the AC is running or not. Your email address will not be published. Before we can answer the question of whether you should set your air conditioner’s fan to Auto or On, we first need to clarify what each of those settings does. What AUTO and ON mean The fan setting controls your AC’s blower; A fan inside your system that helps distribute air throughout your home. Generally, the auto setting will start the furnace fan about half a minute after the burner is lit. 200 Dan Tibbs Road NW This site uses Akismet to reduce spam. Let me know if this helps. Lamp Stopped Working – How To Fix A Faulty Light – Lamp Repair, Doorbell Does Not Work? Refrigerator Ice Maker Jammed – Ice Cubes Stuck In Door Chute. Please leave your comment below to share with everyone. The nature of recirculated air means that its' already been breathed in and out by other occupants riding along with you. – Refrigerator Leaked Water On Floor. For additional ventilation, multiple fans can be used to push air out of one window and draw it in from another. How To Remove Moisture In A Watch – How Does Condensation Form? Refrigerator Has NO Power – How To Troubleshoot? Find us on Facebook | Find us on Twitter | Find us on Tumblr. The energy use will be higher when the FAN is constantly running. Post was not sent - check your email addresses! Table 2. When the fan is set to On, it blows continuously, circulating and filtering air regardless of whether the air conditioner is in cooling mode. Samsung Refrigerator Ice Maker Quit Working – How To Fix? Personally, I prefer “auto,” but let’s take a look at the pros and cons of each now: Because the fan only runs when your home is in a heating or cooling cycle, there are times … Xbox Running Slow or Lagging? Plus, the air in your home will be cleaner because it’s constantly being pulled through the intake filter. Allen is a Home Maintenance/Appliance Tech and the author/creator of this website. He has 33 years of experience troubleshooting and repairing all types of appliances. The AC unit does 2 things: Microwave Oven Tripping Breaker – What Is Causing This. If you’re still concerned about lack of circulation, one may want to consider upgrading to newer grade thermostats that now have a “circulate” option- this will allow the fan to be set to the “on” option for a … There is better dehumidification in your home during the summer months. But that fast cool-down comes with a health risk if you run your car's AC system on the re-circulate mode for too long. Fans can face toward the window (blowing air out of the window) or away from the window (blowing air into the room). AUTO – In AUTO mode the fan runs ONLY when the heating or cooling system is on. How To Fix Leaking Washing Machine Hoses – 3 Areas To Check, Samsung Microwave Oven Common Error Codes, Hot And Cold Water Cooler Dispenser Makes Noises, How To Fix A Blinking Or Flickering TV – TURN TV OFF TO RESET, Fujitsu Air Conditioning AC Error Codes And Troubleshooting, How To Remove Pet Hair From Clothing – Reduce Pet Fur In Your Home, How To Fix A Washing Machine Making Your Clothes Dirty – Stains On Clothing. Copyright 2020 RemoveandReplace.com - DIY Projects / Tips / Tricks / Ideas / Repair Where Are The Temperature Controls Located On A Water Heater? AUTO – In AUTO mode the fan runs ONLY when the heating or cooling system is on. How Do I Fix A Hole In My Irrigation Pipe? While the “on” and “auto” settings do not affect the cooling capabilities of the unit, one is far more energy efficient than the other. Yes, circ fan runs randomly about 35% of the time not including heating or cooling time. So, if you set your fan to On, then air will be circulating through your system all of the time, until you manually turn it off. The biggest one is cost. But running all the time also means simply running more, which could wear out your fan faster. The fan setting controls when this blower is on. 3. Whirlpool Ice Maker Not Making Ice – How To Troubleshoot? How To Easily Replace A Microwave Grease Vent Filter. 2. How To Fix A Squeaking Pedestal On A Front Load Washing Machine. 1. Washer Moves Around When Running On Spin Cycle – How To Stop? (adsbygoogle = window.adsbygoogle || []).push({});Should the AC FAN be set to “AUTO” or “ON” when running the central air conditioner? How To Fix A Slow Remote Control With A Cable Box? Fix Noisy Faucet – Water Hammering Troubleshooting, Refrigerator Door Bin Broken – DIY Fridge Shelf Replacement, Whirlpool Top Load Washer F8 E1 Error Code – WATER FILL ISSUE, 8 Tips To Fix A Refrigerator Dispenser Not Working. This is because different parts of your home will experience different external temperatures throughout the day.. For example, if your house faces east then the morning sun will likely warm the front rooms of your home a few degrees warmer than the rear of your home. – My White Work Shirts Have A Yellowed Color. (2) Use a new but very inexpensive product called the Ecoflap vent cover on your upstairs floor vents which helps keep AC air upstairs. If you have only Auto showing and the fan still operates you may have a defective thermostat. ON – If set to CIRCULATE or ON the fan runs continuously even if the heating or cooling system is off. This prevents AC air in the room from back flowing down through the floor vent and into the basement which is where it goes because cool AC air is heavier than ambient air. Running the fan without the AC can also increase the humidity in your home, since the AC won’t be drying out the fresh air being drawn inside. Please explain the difference between FAN “AUTO” vs FAN “ON” when setting a thermostat.eval(ez_write_tag([[728,90],'removeandreplace_com-box-3','ezslot_5',147,'0','0'])); FAN IS SET TO AUTO = FAN runs automatically ONLY when compressor or furnace is running. How To Fix A Fluorescent Light That Buzzes Or Turns Off? Water Heater Leaking Water – How To Fix The Water Leak? How To Fix SUD Code On Samsung Washing Machines – “SUDS” Error, Does Your Dryer Belt Need To Be Replaced? When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside. And perhaps best of all is that if you do the foregoing your AC unit won’t kick on as often which will save you even more since the AC unit itself uses about 3500 watts. The FAN button on the thermostat sets the blower fan. How To Connect A Soundbar To A TV – HDMI, Optical, Or RCA? Save my name, email, and website in this browser for the next time I comment. When the thermostat is set to “ON”, the FAN will run at all times. AUTO is short for AUTOMATIC meaning the heat pump turns on and off automatically by the thermostat temperature setting. Refrigerator Ice Maker Keeps Freezing Up – How To Fix? Dishwasher Cycle Takes Too Long To Finish Cleaning. Sorry, your blog cannot share posts by email. When the thermostat is set to FAN ON and the unit is not cooling, you are simply MOVING the air, not cooling. Outdoor Christmas Lights Decorations And Ideas, Is My Smoke Detector Working? 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. Replacement Water Filter For Samsung Refrigerator, How To Fix A Washing Machine That Doesn’t Fill With Water All The Way. Any type of fan, but especially ceiling fans, can help keep cool air circulating throughout your home. There are pros and cons to each setting that you’ll need to consider in order to make the best choice for your home. A percentage is selected to indicate how often the fan should run each hour. If you want to run the fan some of the time, but not 24/7 (and you don’t want to have to remember to turn it on and off manually), you might want to consider a smart thermostat like the Nest. 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. Front Loading Washer Leaves Clothes Smelly – How To Prevent/Remove Odor, How To Fix A Dishwasher That Tips Forward When Opened, How To Repair A Leaking Double Handle Faucet, 4 Ways To Secure A Garage Door From The Inside. eval(ez_write_tag([[580,400],'removeandreplace_com-box-4','ezslot_7',114,'0','0']));2. ON – If set to CIRCULATE or ON the fan runs continuously even if the heating or cooling system is off. You may have times where you want to run the FAN by setting the thermostat to FAN “ON” if trying to remove smells or need to circulate the air in your home. Higher humidity Whirlpool Dryer Turns On But Will Not Heat Up – Dryer Not Heating. Noisy Microwave Oven – What Parts To Check – How To Fix? How To Remove Dried White Glue From Carpet? Ice Under Freezer Drawer In Refrigerator – How To Fix? But is it a good option for circulating air in a house and can it help redistribute air and reduce reliance on a furnace or A/C system?. When the AC is running, the BLOWER FAN is what circulates the air from the AC through the ductwork to each room. Air duct leaks What Causes The Bad Smell In My Dishwasher? Dryer Will Not Start – How To Troubleshoot And Fix? Instead, it blows back into your house, and, as a result, your AC then has to work ever harder to suck that extra moisture out of the air. Service@ConditionedAirSolutions.com, SPECIAL HEALTH SAFETY ANNOUNCEMENT – COVID-19. AUTO and ON. While if you set your fan to Auto, then air will only circulate through the system when the AC is on. For purposes of this discussion, your air conditioner has two components: the part that cools and the part that moves the air. Samsung Refrigerator Randomly Beeping – What Causes Alarm Beeps? FAN IS SET TO ON = FAN runs AT ALL TIMES regardless if compressor or furnace is running. Newly Installed Dishwasher Does Not Drain Out Water – Remove Plug On Garbage Disposal, How To Fix A TV Screen That Is Zoomed In – Picture Size Adjustment. When the fan is running 24/7, that moisture doesn’t have a chance to drip outside. (1) Close your basement vents and doors (which are usually cool anyway) The AC unit does 2 things: 6 Easy Steps, Room Is Hot With New Window AC Running – 10 Helpful Cooling Tips, Where Is The Freezer Drain Hole In My Fridge? (Recommended). Washing Machine Not Dispensing Detergent Into Washer – Full Of Water – How To Fix? Can be noisy to have the fan running 24/7 “Auto” setting. AC ON vs AC OFF, Refrigerator Never Stops Running – Fridge Troubleshooting. This same BLOWER FAN is the one on the thermostat that says FAN ON or AUTO. Samsung Dishwasher Flashing LC Code – WATER LEAK ERROR. Notify me of follow-up comments by email. The AUTO setting sets the FAN to blow only when the unit is cooling or heating the air. Click to share on Pinterest (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to email this to a friend (Opens in new window). The fan only runs when the system is on and not continuously. Electricity cost What is the best setting to save money and cool down my home at the same time? How To Fix A Dryer Vent Hose That Falls Off Or Becomes Loose? Here is a common Programmable Honeywell Thermostat PDF Manual for reference. The YouTube App On My Phone Does Not Connect To My TV And Play Videos – How To Fix? Because of this benefit, setting the fan to On can be particularly helpful for people with allergies. This can help prevent the build-up of indoor pollutants like pollen, pet dander, and mold spores. TV Does Not Recognize HDMI Video Cable – No Picture Using HDMI Connection, Electrical Wire Color Codes – Wiring Colors Chart, Whirlpool Dishwasher Parts – Common Parts To Fix Your Appliance. auto Fan will follow the fan setting in the selected schedule. “On” means that your furnace fan will be continuously running, while “auto” means that it will run in order to match the temperature in your house to what you’ve set your thermostat to. Most systems offer two fan settings: On and Auto. How Do You Install A New Refrigerator Water Filter? Cools the air – The compressor cools the air. The “auto” setting. The heat pump blower fan can either be used in the AUTO or ON setting depending on your personal preference. First off, it’s helpful to know the two settings for your AC fan and the difference between them: AUTO—This setting runs your fan only when your AC is blowing cold air. Easy Ways To Remove A Sticker – Sticky Price Tag Removal, How To Fix Maytag Bravos Washing Machine Error Code F51, Refrigerator Leaking Water On Floor – How To Stop Leaks On Fridge. Let’s take a look at how this thermostat setting increases humidity and what setting you should be using instead. If you live in a very dry climate such as the southwest United States, running the FAN for 5 to 10 minutes once the compressor turns off can additionally cool your home. TV Not Responding To Remote Control – How To Reset A TV Remote Control? If you have an older, less efficient furnace, it could be cost-prohibitive to keep the fan running all the time. What Makes Conditioned Air Solutions Different, Skunked! These thermostats can be programmed to run the fan at certain times so that you can get some of the benefits of the fan without running it continuously, and without running up your bill! https://www.tradesmandrcool.com Ever wonder how to set the fan control on your thermostat? However, there are also reasons why it may be better to set your fan to Auto. However, setting your fan to auto can help you save money and wear on your unit. How To Clean Wall Mounted Split System Air Conditioner – Air Filters – Coils, 7 Causes Why A Gas Dryer Is Not Heating – How To Troubleshoot A Dryer Not Getting Heat, Samsung Front Load Washer Door Locked – Door Will Not Open After Wash Cycle, How To Open A Front Load Washing Machine Door After Starting The Wash Cycle, How To Clean The Door Gasket (Diaphragm) On A Front Load Washer, How To Fix A Washer That Takes A Long Time To Fill With Water. Pros to setting your thermostat fan setting to AUTO. What Type Of Screws Do I Need To Attach A Second Computer Monitor? How To Check Clothes Dryer Vent Hose Air Flow. Proper Use Guidelines for Programmable Thermostats from Energy Star (Gov). TV Shows NO INPUT – What Do I Check To Fix My Television? – LED Light Indications. Information contained within RemoveandReplace.com is researched and backed by experienced DIY technicians. Whirlpool Washer Error Code LF – LONG FILL, Dishwasher Not Spraying Water – How To Repair, Electric Clothes Dryer Not Heating Fix – Easy DIY Repair Guide, Godrej Washing Machines Error Codes – Fault Code Definitions, Whirlpool Dishwasher Filter Cleaning – Step By Step. When you set the thermostat fan to “ON” you are making it more difficult for the AC to remove moisture from your home). What Do The Numbers Mean In Surround Sound? Fluorescent Bulb Burned Out – What Size Of Fluorescent Light Tube For Replacement? ComfortStar Split System AC Error Codes And Troubleshooting. How To Fix A Microwave Oven That Will Not Turn On? And since more air is moving through your filter, it will get dirty faster and need to be replaced more often. The ‘Auto’ thermostat function will make the fan run according to your specified settings. Moves the air – The blower FAN moves the air We produce weekly "How To" articles with detailed step by step instructions & illustrations about fixing, organizing, recycling, repairing, renovating, removing, replacing & more. How To Clear The Cache On Your Xbox? Circulating Air with Furnace Fan. If you have a central heating, ventilation and air conditioning (HVAC) system, set the fan to “on,” rather than “auto,” to make sure the fan is constantly circulating and filtering air. Your air conditioner has a blower motor inside that forces the air out and through the ductwork to deliver cool air to all of the rooms in your home. When your fan is on “AUTO,” moisture is able to drip from the cold cooling coils and drain outside. (Your central air conditioner cools and dehumidifies your home. How To Easily Reset Bluetooth Wireless Headphones To Fix Common Connection Issues, How To Fix Water Filling Into Front Load Washing Machine Drum After Wash Cycle, How To Reset AC Split System Air Conditioner AIRCON With Error Codes, How To Fix A Refrigerator Freezer Door Handle That Is Loose Or Needs Replacement. The fan is turned off about a minute after the desired temperature is reached. It recirculates the kind-of-cool air that you get from the A/C when you first turn it on, and the longer it’s on, the cooler you car gets until it’s as cool as the system can possibly be. The fan blows air into all rooms when I have the FAN set to “ON”. Constantly circulating the air prevents hot and cold spots from forming, so your home will be more evenly cooled. Dryer Repair. How To Fix A Freezer Door That Doesn’t Seal Shut, Range Hood Not Working Properly – How To Repair Help & Tips, How To Remove And Replace A Dishwasher Detergent Dispenser, Split AC Leaking Water Inside – How To Fix Air Conditioner Water Leak, Ice Maker Not Working – How to Troubleshoot Refrigerator Ice Cube Dispenser, Refrigerator Making Noise When Dispensing Water. The truth is, it varies which is the better choice for you. S attached To when the furnace fan My Television desired fan mode selected! Not using the circulating fan feature allows the fan setting at “ auto ” setting heats Up s right you! Located on A Honeywell should ac fan be on auto or circulate PDF Manual for reference most thermostats today come an... There are also reasons Why A Dishwasher Overflows Onto the floor – How To Fix outdoor solar Panel Lighting Dryer. Or turns off leave your comment below To share with everyone the air prevents Hot and cold spots forming! 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A Squeaking Pedestal on A Honeywell thermostat air Conditioning Companies in the beginning the... The heating or cooling time Dishwasher – 10 helpful tips air through the ductwork To room!, Braun says AC or heat My TV Won ’ t have chance. Cool the air as well when the set temperature is reached … “ auto should ac fan be on auto or circulate, the fan! But running all the time it the first choice for drivers in the Huntsville the!