Keep the thermostat set to “AUTO” FAN so it is not constantly running. Keeping the fan on creates a more even distribution of heating and cooling, circulating the air if you have cold or hot spots in your house, like a bedroom above a garage. Whirlpool Dryer Turns On But Will Not Heat Up – Dryer Not Heating. 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. What Is the AC Fan? – LED Light Indications. 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. Have some helpful information that you can share regarding air conditioner tips? 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. 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. Auto: The fan will run only when the heating or cooling system is on. 2. Save my name, email, and website in this browser for the next time I comment. “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. Samsung Dishwasher Flashing LC Code – WATER LEAK ERROR. Please explain the difference between FAN “AUTO” vs FAN “ON” when setting a thermostat.eval(ez_write_tag([[300,250],'removeandreplace_com-box-3','ezslot_1',147,'0','0'])); FAN IS SET TO AUTO = FAN runs automatically ONLY when compressor or furnace is running. 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. 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. What Type Of Screws Do I Need To Attach A Second Computer Monitor? 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 is located in the inside unit and helps distribute the conditioned air throughout your home. When the fan is in the auto mode, the air conditioner moves air only when the cooling part is running. Personally, I prefer “auto,” but let’s take a look at the pros and cons of each now: PRO TIP: Many newer thermostats will have a variable speed blower or “circulate” option, that allows you to set the fan on for a certain amount of time every hour. After our first call, we never looked back. AUTO means that the fan turns on automatically only when your system is heating or cooling air. How To Fix A Samsung Refrigerator That Beeps 11 Times? This can be. The “auto” setting. Most HVACs have an option for the fan in ‘auto’ or ‘on’ positions. Responsive. This FAN blows the air through the air ducts and into the rooms of your house. The fan’s “AUTO” setting works with your heating + cooling system, so your fan is running the least amount of time needed, at the slowest speed. Because the fan only runs when your home is in a heating or cooling … In auto mode the fan only runs when the AC is on. (1) Close your basement vents and doors (which are usually cool anyway) AUTO – In AUTO mode the fan runs ONLY when the heating or cooling system is on. Air duct leaks Your air conditioning system doesn't just produce cold air. He has 33 years of experience troubleshooting and repairing all types of appliances. 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. There was a certain confidence and professional casualness about Homesense that made me feel both comfortable and happy with every step of the process. Auto helps distribute air in the beginning of the cooling or heating cycle and then cuts off when the set temperature is reached. (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 Modes: On: The fan will run continuously. A constantly running fan will help equalize the temperature and air quality in the home; CONS? Circulating Air with Furnace Fan. How To Use Your Amazon Alexa – Full “What Can I Ask” List. Refrigerator Ice Maker Keeps Freezing Up – How To Fix? The AUTO setting sets the FAN to blow only when the unit is cooling or heating the air. The Ice Maker On My LG Refrigerator Does Not Make Ice – How To Fix? This same BLOWER FAN is the one on the thermostat that says FAN ON or AUTO. Mechanical ventilation (including air conditioning) Mechanical ventilation brings fresh air into a building and can include air conditioning and/or heating. How To Fix A Slow Remote Control With A Cable Box? It could cost you hundreds of dollars a year. 1. When the thermostat is set to FAN ON and the unit is not cooling, you are simply MOVING the air, not cooling. Water Heater Runs Out Of Hot Water When Showering – What To Check? You can affect the air movement by setting the fan to auto … How To Remove And Replace The Bottom Seal On A Shower Door? FAN IS SET TO ON = FAN runs AT ALL TIMES regardless if compressor or furnace is running. Dryer Repair. ON – If set to CIRCULATE or ON the fan runs continuously even if the heating or cooling system is off. In the CIRCULATE mode, the fan will follow the Can I Turn The AC Off To Save Money? Your furnace filter will clog up quicker (even though that means it’s working), but you will have to adjust your filter more frequently. When the thermostat is set to “ON”, the FAN will run at all times. The AC unit does 2 things: The energy use will be higher when the FAN is constantly running. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. Xbox Running Slow or Lagging? Leaving the fan on 24/7 ensures cleaner air, as the air is pulled through the filtration or UV light system. When selected a green check mark will be indicated. When your system reaches the temperature you’ve set for it, the fan will shut off until the next cycle. However, there are usually several fan settings, which can be confusing to homeowners who aren't familiar with how their air conditioning system works. Proper Use Guidelines for Programmable Thermostats from Energy Star (Gov). I forget what the time frame is but I think it's an hour. By keeping your fan on in the winter, you may feel cold air coming out of your vents. This option is much more cost effective, because you are using less energy. Here is a common Programmable Honeywell Thermostat PDF Manual for reference. The fan should start to run on the hour and may keep running beyond the set time in order to heat or cool the house to the desired temperature. It makes sense to circulate that cooler air through the house, assuming then that the A/C won't need to work as much. How To Easily Fix A Garbage Disposal – The 2 Most Common Problems, Dryer Will Not Heat Up – Dryer Repair Help, How To Remove Yellow Color From White Clothing? The fan mode for central air conditioning systems is entirely different from the fan mode for window-box air conditioning … We aim to always deliver relevant and engaging content where facts and information provided is checked and rechecked for accuracy. When to Use the "Auto" Setting. While keeping your fan on 24/7 may be more energy efficient, there are a few downsides to leaving your fan on all of the time: Your other option is to set your fan to AUTO, which means the fan runs when directed to by the unit. When to use your circulation fan alone Use a circulation fan to circulate outside cool air into a home instead of running the A/C compressor, particularly in dry, mild climates. Moves the air – The blower FAN moves the air TV Not Responding To Remote Control – How To Reset A TV Remote Control? How Do You Install A New Refrigerator Water Filter? What Do The Numbers Mean In Surround Sound? The fan only runs when the furnace tells it to. Ice Under Freezer Drawer In Refrigerator – How To Fix? The fan’s “AUTO” setting works with your heating + cooling system, so your fan is running the least amount of time needed, at the slowest speed. The speeds are controlled by a resistor or a computer control module activated by the blower fan switch. 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. – How To Fix A Doorbell, Breaker Trips When I Turn The Light On – How To Troubleshoot, Xbox One Keeps Crashing Freezing Home Screen – Problems & Solutions, TV Screen Goes Black Randomly – Power Light Still On, Floor Drain Backs Up When Using Washing Machine, LG Air Conditioner Error Code CH34 Troubleshooting, How To Set A Phone When Traveling Internationally – Avoid Travel Data Charges And Fees, Freezer Is Leaking Water From Bottom – DRAIN TUBE FROZEN OR CLOGGED, How To Remove And Prevent Black Mold In Washing Machine Detergent Drawer, Garage Door Opener Flashing LED Light – Door Not Moving, Maytag Washer Displays Error Code F3 E2 – WATER TEMPERATURE SENSOR Fault. When the fan is running 24/7, that moisture doesn’t have a chance to drip outside. The AUTO setting sets the FAN to blow only when the unit is cooling or heating the air. When your air conditioner is set to AUTO, b… 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, … 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. Allen is a Home Maintenance/Appliance Tech and the author/creator of this website. How To Remove Dried White Glue From Carpet? It may seem logical to think that a fan for an air conditioner is the same as a fan that you use in a room, thought this is not the case. 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. This will help circulate the heated or cooled air more efficiently to tackle those further reaches of the home. If you set to 15 minutes or less like ecobee suggests, you will have higher humidity and potential mold issues. For many people, however, the question is whether they should leave the fan set to “ON” or “AUTO.” The truth is, there is no right or wrong answer. Sorry, your blog cannot share posts by email. I believe trust is the foundation of a refreshingly different customer experience. Dishes Not Clean After Washing In Dishwasher – 10 Helpful Tips. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. Usually, the furnace fan in your home will run continuously because of the setting on your thermostat. 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. Thermostat – Set FAN To AUTO for energy savings. When the AC unit runs, the fan helps cooled air reach every air register placed throughout your home. The FAN selection key has two or three positions: Auto, On, and on select models, Circ (Circulate). Your email address will not be published. I have two 1F95-1291's on my systems and like to overall operation. 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. 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. Once the conditioned air is already well-circulated inside the room, the auto mode will turn on and off the fan at regular intervals to keep the room temperature at the optimal levels. We produce weekly "How To" articles with detailed step by step instructions & illustrations about fixing, organizing, recycling, repairing, renovating, removing, replacing & more. TV Shows NO INPUT – What Do I Check To Fix My Television? Running your AC in the auto position is definitely the best way to go for the many reasons already mentioned. GE Profile Dishwasher Shows Code 1h Will Not Start? Auto: The fan will run only when the heating or cooling system is on. Setting the fan to “auto” may be more cost-effective and use less energy. At this point, it should be pretty obvious that AUTO costs less than … Dryer Will Not Start – How To Troubleshoot And Fix? There are all kinds of different thermostats on the market. 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. So generally speaking, it makes sense to run the fan constantly, or use the circulate option on a thermostat, if there is minimal heating/cooling taking place and you aren’t opening the windows for ventilation or air movement. If the thermostat fan setting is on the fan will run all the time, if it's on circ the fan will run 30% of the time if the system hasn't ran for a while. The AC is not producing cool air but you are getting improved ventilation which helps lower temperatures by some degree. Either it is cooling or heating your space at full blast, or it is off.) The fan setting either auto, on or circulate all do different things. An AC unit on Fan mode usually consumes about 150W with the fan running, while the AC unit consumes 1000W when on default or Cool mode. 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. In the summer, this gives the evap coil time to drain before the fan comes on. (Not Recommended)eval(ez_write_tag([[728,90],'removeandreplace_com-medrectangle-3','ezslot_14',149,'0','0'])); Setting the FAN to “ON” is not needed to run the AC or HEAT. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. Fan Modes: On: The fan will run continuously. Every air conditioner is equipped with a blower, or fan, which is a motorized part that circulates the heated or cooled air throughout your space. When you set your fan to “ON,” you’re telling it to keep running 24 hours a day, 7 days a week, regardless of the heating or cooling setting. Also the ducts heat up in the attic, so your just forcing hot air into your home. AUTO and ON. Bathroom Sink Will Not Drain Water – How To Fix? How To Fix A Squeaking Pedestal On A Front Load Washing Machine. Although the air temperature will be similar to the space temperature, your house will feel cold. If you have Trane VS blower motor it should run at 50% on fan/circ on unless they have a … This means that the fan will turn on when your air conditioner or heater starts and turn off when your home has reached the programmed temperature. Experts at the Energy Extension Service at Kansas State University estimate that the compressor consumes 10 times as much energy as the fan in a central air conditioner. Fan "on" in the summer is not good in High humid areas cause after your condenser cycles off the fan blows all the moisture off your coil right … The fan mode and switches are one such example. The fan setting controls your AC’s blower; A fan inside your system that helps distribute air throughout your home. In the hot summer months set your fan to auto / 0 min. This is the normal setting for a system fan. If this is set to AUTO, the BLOWER FAN only operates when the furnace makes HEAT or the AC is cooling. 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. Less frequent starts and stops of the fan can reduce the stress from startup, and potentially help extend its lifespan. When the thermostat is in the "auto" mode, however, the system only moves air while the cooling or heating function is running and shuts off when the temperature set point is reached. How To Check Clothes Dryer Vent Hose Air Flow. Pros: The primary advantage of the “auto” setting is that it uses less energy. Washer Moves Around When Running On Spin Cycle – How To Stop? Notify me of follow-up comments by email. If FAN mode AUTO, ON or CIRCULATE is selected during scheduling for the current period, the thermostat will indicate the current fan mode in the information display (FAN ON or FAN CIRC). Washing Machine Not Dispensing Detergent Into Washer – Full Of Water – How To Fix? Keep the thermostat set to "Auto" for the most efficient heating/cooling experience. Your HVAC has a component that creates cool or … However, setting your fan to auto can help you save money and wear on your unit. We’d love to hear from you. Most thermostats today come with an option to keep the furnace blower fan running continuously. The Ecoflap works by automatically closing the floor vent it’s attached to when the AC and/or furnace blower fan shuts off. Usually, the furnace fan in your home will run continuously because of the setting on your thermostat. The fan blows air into all rooms when I have the FAN set to “ON”. When the thermostat senses that the house has reached the setpoint, it shuts off both the cooling and the fan. How To Fix A Fluorescent Light That Buzzes Or Turns Off? (adsbygoogle = window.adsbygoogle || []).push({});Should the AC FAN be set to “AUTO” or “ON” when running the central air conditioner? 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, … The auto setting is energy efficient and may be enough for most … During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. This seems contradictory, because of the basement-smell but the fan does seem to make a difference in air quality. Air circulation during winter heating is good, Deff not a fan of white-rogers t-stats, stick with Honeywell. My TV Won’t Connect To WIFI Wireless Network – How To Fix? While if you set your fan to Auto, then air will only circulate through the system when the AC is on. LG Front Load Washing Machine Error Code Ub or UE – How To Clear Error Codes. When set to ON, the fan will keep running 24/7, … 3. In the “on” position, the fan will circulate air continuously, regardless of the temperature settings. The circulate feature on some thermostats will automatically run the fan for around 20 minutes out of every hour. The fan setting controls your AC’s blower; A fan inside your system that helps distribute air throughout your home. (“Single-stage” means that the air conditioner runs at all or nothing. How To Fix A TV Remote Control Not Working? More frequent starts and stops will make the fan wear out faster. 6 Easy Steps, Room Is Hot With New Window AC Running – 10 Helpful Cooling Tips, Where Is The Freezer Drain Hole In My Fridge? You also have the option to set the system to either “fan on” or “auto.” When the blower fan’s set to “on,” it runs continuously, circulating air whether the cooling system components — the evaporator coil, compressor and condenser — are activated or not. This is not needed to run the AC or HEAT. AUTO – In AUTO mode the fan runs ONLY when the heating or cooling system is on. How To Change Fan Speeds On A Ceiling Fan? Refrigerator Not Working After Power Outage – What To Check First? Refrigerator Ice Maker NOT DROPPING ICE CUBES From Mold Tray. When the AC is running, the BLOWER FAN is what circulates the air from the AC through the ductwork to each room. How To Remove Moisture In A Watch – How Does Condensation Form? What is the best setting to save money and cool down my home at the same time? This means that the fan will turn on when your air conditioner or heater starts and turn off when your home has reached the programmed temperature. Refrigerator Has NO Power – How To Troubleshoot? (Of course, the downside here is that there will be less even air distribution throughout the home.) 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. Copyright 2020 RemoveandReplace.com - DIY Projects / Tips / Tricks / Ideas / Repair For purposes of this discussion, your air conditioner has two components: the part that cools and the part that moves the air. ON —This setting runs your fan constantly, even when your AC isn’t actively producing cool air. What are the pros and cons of the fan “on” or “auto” settings? How To Connect A Soundbar To A TV – HDMI, Optical, Or RCA? The auto setting turns the fan on only when the air conditioning or furnace is actively running. Your email address will not be published. Therefore, you may end up running your AC even more, to counterbalance the extra heat. 5 Reasons Why A Dishwasher Overflows Onto The Floor – How To Fix Water Leaking Issue? Programmable Honeywell Thermostat PDF Manual. How To Remove Odor From A Refrigerator After Power Loss? Higher humidity Professional. Pros to Running the Fan on “Auto” Energy Savings. The average kWh in the US costs about $0.12 so it costs about $43 per month, or about $520 per year, to run a fan continuously. (Of course, the downside here is that there will be less even air distribution throughout the home.) You may also bring in more humid and dirty air into the system, which then gets circulated throughout your home. I'm a fan of spectacular - Homesense is changing how the Indianapolis community views HVAC companies. There are pros and cons to each setting that you’ll need to consider in order to make the best choice for your home. The "auto" setting on your thermostat will cause the fan to run whenever the system is running. The biggest advantage of this is that air will be pulled through your filtration system, thereby cleaning it so you’ll be breathing the cleaner air around the clock. Our team goes the extra mile to deliver it every day. The truth is, it varies which is the better choice for you. When selected a green check mark will be indicated. Save electricity and keep the FAN setting at “AUTO”. AC ON vs AC OFF, Refrigerator Never Stops Running – Fridge Troubleshooting. Lamp Stopped Working – How To Fix A Faulty Light – Lamp Repair, Doorbell Does Not Work? 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. This is a small bungalow and the basement is cooler. Leaving that fan on 24/7 is great for cleansing allergens from the air and can help people with allergies; Keeping the fan running can circulate the air if you have cold or hot spots, like a bedroom above a garage that may be colder in the winter. Setting the HVAC fan to ON. How Do I Fix A Hole In My Irrigation Pipe? Rinnai Split System AC Troubleshooting & Error Codes, Clothes Dryer Heating Elements – Find Replacement Element & How To Install. But you have to have air moving across it for it to be working. Carbon Monoxide Alarm Going Off Every 30 Seconds – What To Check? – My White Work Shirts Have A Yellowed Color. When you set the thermostat fan to “ON” you are making it more difficult for the AC to remove moisture from your home).