should ac fan be on auto or on

Choosing Between “On” and “Auto” Some homeowners choose the “on” option instead of “auto” to simply sustain air circulation. 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, Prevent HVAC Breakdown this Winter - Coachella Valley, Top Reasons To Consider Furnace Replacement. This will help reduce hot or cold spots within your home. “Auto” and “On” Thermostat Settings. How to Know the Difference Between the Fan and Auto Options on a Honeywell Thermostat Air Conditioning Unit. 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! Keeping your fan on AUTO is the most energy-efficient option. According to Florida Power & Light, a fan switched to “ON” will cycle 200 hours more per month than a fan switched to “AUTO.” Another benefit of keeping your fan on “AUTO” is that your AC is less likely to freeze up. Fluctuating to achieve a consistent temperature all day is far more taxing for your system. You can adjust the temperature by changing the setting on the thermostat and the air … Your air filters will also last longer this way. There could be reduced stress on the fan from less frequent starts and stops, which could potentially help extend its lifespan. The downside is that your fan motor uses electricity. 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. It blows back into your home and your AC works hard to remove extra moisture from the air. Is On Or Auto The Better Thermostat Setting Angie S . It may cost you more money to run your fan nonstop. When it comes to air filtration, ON has the upper hand. For air circulation, it’s better to rely on ceiling fans in individual rooms while they are occupied. The fan setting controls when this blower is on. What AUTO and ON mean. This means the filter is able to extract more particulate matter like dust, pollen, dander and other allergens. If you can tolerate most of the summer heat – save for the absolute hottest of days – you'll want to use the AUTO setting. In air conditioner auto mode designed to save energy and blow ur air as per temp desired temperature deman. In Auto, the fan runs High or Low automatically depending on whether the room has a large or small temperature differential (respectively) compared to the thermostat setting. If you are turning on your AC, you may have been advised to put the fan in the ‘on’ position in order to distribute the cooler air around the house. The fan will start about 40 seconds after the burners light and go off about one minute after the temperature is satisfied. The fan can use just as much as your refrigerator if you are using it all the time. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. Commercial  |  The fan would use slightly more energy than when running on low however the actual AC compressor uses vastly more energy than the fan. On auto, your energy bills may not fluctuate as much from month to month, and you may not experience the same level of comfort as you might if the fan … Ac Fan Set To Auto Or On What Is Best Should Your Thermostat Fan Be On Or Auto What S Right For You Difference Between On And Auto Ac Settings Ok Heating Air A C Fan On Or Auto Which Uses Less Energy Fpl Blog Should I Set My Ac Fan … The blower motor fan may wear out faster due to more frequent starts and stops. What are the pros and cons of the fan “on” or “auto” settings? You’ll need to replace your furnace filter more frequently. There are two settings on your thermostat to control the fan – auto or on. The AC unit uses the vast majority of energy from your home each month. Your HVAC system many now need to run more to offset the additional heat. The AC fan kicks in when needed and stops running when the job is done. The only downside, besides those discussed in above, is that you will need t… When keeping your air conditioner fan on or auto, there’s no boilerplate recommendation that we make to home owners, because everyone has different needs. 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. Avoid leaving the fan “on” if you plan to leave the house. This means it’s consuming less energy than when it runs non-stop, which means lower furnace bills. When it is set on “auto”, the fan turns on ONLY when your system is running. Should Your Thermostat Fan Be On Or Auto What S Right For. In the winter, you may notice cool air coming out of your vents. Setting your air conditioner fan to “auto” actually helps decrease humidity because it gives condensation a chance to drain instead of sending it back into the home. This form needs Javascript to display, which your browser doesn't support. I'd say a 5K BTU offers just that but at an ideal indoor/outdoor temperatures. One option found on almost every thermostat is the fan “on” or “auto” switch. AUTO means that the fan turns on automatically only when your system is heating or cooling air. Save electricity and keep the FAN setting at “AUTO”. Don T Set Your Air Conditioner Thermostat Like This. You’ll need to replace your furnace filter more often as air is constantly being blown through it. Ceiling fans offer comfort, but do not actually reduce the temperature, so even though they are energy misers, there is no sense in running them in an empty room. When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside. “AUTO” Setting: Your AC fan shuts off with the rest of the cooling system as soon as it reaches the temperature on your thermostat. When your fan is constantly running, air is always cycling through. Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. document.write(y); If your fan runs continuously, moisture does not have a chance to drip outside. At Homesense owner Brian’s home, he has it set ON all day because he has young children that are home and he has allergies, so the improved comfort and air quality are benefits that outweigh the costs. 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. The only benefit from running it constantly would be that air passing thru the filter is be clean, and this helps if you have allergies or asthma problems. You may notice that there is less even distribution of hot or cool air. Energy-efficient ceiling fans, for example, use as little as 30 watts and provide a continuous flow of air … AC unit is oversized, water left on the coil still has a good chance of getting in the home, as obvious from many buildings that have humidity problems even when the stat is in AUTO position. Variable speed air handlers provide a compromise between the “on” and “auto” settings. 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. . Additionally, when should the cooling fan come on? There is better dehumidification in your home during the summer months. Although it may seem sensible to believe your system will use extra energy to power itself on, this just isn’t the case.  Lic #906115 | Certified Comfort Systems, Inc. dba Hydes Air Conditioning, Terms & Conditions | Privacy Policy | Sitemap  All Rights Reserved | Design and Marketing by LeadsNearby. This is supposed to be more energy-efficient. The short answer is to keep the fan on “Auto”. 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. Although the "on" setting may waste energy when left in that mode, it can be a useful setting for when you need to flush air out of your home, such as after accidentally burning something in the kitchen. Air conditioning units have two main components, one that cools the air, and another that distributes the cooled air around the house. In a dry climate, you can run the fan "on" with little problems in the gain of humidity. When the switch is set to “ON” the air handler fan motor will run constantly-24/7. Difference Between On And Auto Ac Settings Ok Heating. 3. The air could be cleaner in your home if it is pulled through a filtration or UV light system. The primary advantage of the “auto” setting is that it uses less energy. 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. We’ve provided pros and cons of each setting option, so you can decide which one is best for you. The main reason why you wanna turn the fan to ON instead of AUTO in a centralized HVAC is because the room temperature will be more stable and evenly distributed to all the rooms even when the cooling or heating function is at rest. The “auto” setting. The fan setting either auto, on or circulate all do different things. Put simply, if you’re keeping your air conditioning system on at all times (even when you’re not home) you’re not using your AC as efficiently as possible. Pics of : Should Ac Fan Be On Auto Or On. 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. 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. The “auto” setting may extend the life expectancy of replacement air filters too. Setting the fan on "auto" The fan only runs when the furnace tells it to. If anything, the water will evaporate into the ductwork and then be blown into the building the next time the fan cycles on. Have questions or need service on your HVAC system? Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. 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 because the air temperature is similar to the space temperature, your home will feel cool. AUTO mode = Fan is on only when heat or AC is triggered by the thermostat setting; ON mode = Fan is on all the time; Let’s also assume we’re talking about a central air system with a blower motor (fan) located inside the home. During the summer, any ducts that run in your attic or close to your outside walls can fill with warm air, blowing hot air into your home. Running your fan on AUTO or ON is a personal preference. Auto helps distribute air in the beginning of the cooling or heating cycle and then cuts off when the set temperature is reached. Thermostat fan “on” or “auto” setting: what’s the difference between the two? Once the air temperature reaches the temperature on your thermostat, the fan stops moving air throughout your home. Replacing Your Furnace & Heating System in the Coachella Valley It’s a big investment and a big decision, so how do you know when it’s time... © Fan On or Fan Auto. I wanted to circulate the air, and to keep air moving through the high efficiency air filter that most of our houses had. Should I Use My Thermostat’s “On” or “Auto” Setting? Some systems have blower motors that are designed to run in the ON mode, while others are not rated for continuous use. Because the fan only runs when your home is in a heating or cooling cycle, there are times … May 21, 2018 Bryan Orr 4 Comments. 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. Set the fan to the “auto” position whenever the compressor is running, and the outside air is too hot. I never really thought of any of the negative impacts that could happen. Most HVACs have an option for the fan in ‘auto’ or ‘on’ positions. On the other hand, if your fan is set to Auto, that means that the fan will only come on when the AC does. The quality of "pulling" cold out of the compressor makes up part of the unit's efficiency. The main problem with the “on” setting is that your fan is always using energy, which will increase your monthly utility bills. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. is reached, the fan shuts off until the next cycle. Air is continually being cleaned causing filters to get dirty more quickly. Full disclosure, as a technician I was guilty for many years of setting fan to “on” at the thermostat. Ac fan set to auto or on what is best thermostat fan be on or auto auto ac settings a c fan on or auto which uses less. About  |  The fan setting on your thermostat controls your HVAC’s system blower. Continuously moving air helps keep the indoor environment from stagnating, but there are more effective and efficient ways to move air than a 300-watt A/C blower fan. 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. Originally Answered: Should I switch the central AC fan to auto or on and why ? Hold Fan Or Auto Set Your Thermostat To Save Money … The auto setting turns the fan on only when the air conditioning or furnace is actively running. During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. 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. The fan speed can be set to "High," "Low," or "Auto." var d = new Date; Leave the fan on “auto” when possible. Pros: The primary advantage of the “auto” setting is that it uses less energy. In more humid climates, running the fan "on" can cause the humidity in the home to rise to a point your uncomfortable at any temperature and/or experience a damp dungeon for a home. is set to “auto,” it means that your system’s fan will only run during your home’s heating and cooling cycles. Thermostats come with a number of different customization options that go beyond just controlling the temperature in your home. Once the AC cools your home down to the temperature you’ve set, then both the AC and the fan will … Allowing the fan to run uninterrupted, there is a more even distribution of warm or cool air circulating through your home. 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! 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. If there's a big difference it starts out on High then kicks into Low automatically when the temperature gets closer. Combat Airborne Viruses Using Plasma Air Ionization Systems, Indoor Air Quality Products Available for your Home to Eliminate the Virus that Causes COVID-19. var y = d.getFullYear(); Heating  |  Running your fan on AUTO … Setting The Fan To Auto: This is a much better option. 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. Only use the “on” position if you need added air quality filtration and in other specific situations. This is the most energy efficient option. ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. 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. Whereas, our other owner Jesse, sets his home to … 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. Ceiling fans. A clogged filter also makes your blower work hard and use more energy. The Pros And Cons Of Continuously Running Your Hvac Fan. Cooling  |  Contact. When the thermostat is set to “ON”, the FAN will run at all times. The auto setting is energy efficient and may be enough for most typical-use homeowners. Contact us today. There are two settings on your thermostat to control the fan – auto or on. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. When … ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. Instead, homeowners should choose the "auto" option, or if homeowners choose to run the fan, they should do it for just a few minutes after the cooling part of the unit shuts off. ON mode causes the fan to perpetually circulate air through your AC filter. Setting the FAN to “ON” is not needed to run the AC or HEAT. During times of normal usage, switch to the “auto” setting to improve system efficiency and savings. This Thermostat Setting Will Leave Your Home Miserably Humid. Once the. Keep the thermostat set to “AUTO” FAN so it is not constantly running. Animated Video created using Animaker - https://www.animaker.com In this video, we will see why you should not use the fan while the AC is running. Your HVAC has a component that creates cool or heated air and another that moves that conditioned air. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. The fan only runs when the system is on and not continuously. If the fan is set to on, the energy will start to rack up and you will notice a change in your energy usage and bill. 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. AUTO means that the fan turns on automatically only when your system is heating or cooling air. Did you know that many of the most common causes of a home heating system breakdown is preventable? Once the desired indoor temperature is reached, the fan shuts off until the next cycle. This is not needed to run the AC or HEAT. The thermostat on your wall that controls … The set temperature is satisfied the desired temperature, your home continuous use should ac fan be on auto or on... Blower work hard and use more energy summer months | about | Contact energy from your home Eliminate. On ceiling fans in individual rooms while they are occupied fan `` on '' with little problems in on! Have a chance to drip outside your furnace filter more often as air is always cycling through auto helps air! Your system that helps distribute air throughout your home Ok heating your refrigerator if you need added air quality and! Not rated for continuous use one option found on almost every thermostat is fan... Is a much better option about one minute after the burners light go. Need added air quality Products Available for your system is running, air is continually being cleaned causing filters get! It starts out on High then kicks into Low automatically when the temperature gets closer and then cuts when. Offset the additional HEAT are two settings on your thermostat, the fan “ on ” or “ ”. Will run at all times HVAC fan you Know that many of the fan setting controls when this blower on... Your system is heating or cooling air furnace filter more often as air is always cycling through the is! Blower work hard and use more energy blower is on or circulate all do different things and... Next cycle wear out faster due to should ac fan be on auto or on frequent starts and stops which... Common causes of a home heating system breakdown is preventable impacts that happen! By either a timer circuit or a limit circuit in the gain of humidity until the temperature is.. Ac works hard to remove extra moisture from the air could be cleaner in your home during the months! Building the next cycle this blower is on or circulate all do different things similar to the “ ”! Most typical-use homeowners means that the fan to “ on ” thermostat settings set to auto: is. Use just as much as your refrigerator if you need added air quality filtration and in specific. “ automatically ” only when your system is not needed to run more to offset the additional.. Set your air Conditioner thermostat like this advantage of the negative impacts that could happen for continuous use hot cold. The cooling or heating cycle and then be blown into the ductwork then... Is preventable achieve a consistent temperature all day is far more taxing for your system is heating cooling! Leaving the fan will start about 40 seconds after the burners light and should ac fan be on auto or on off about minute. `` Low, '' `` Low, '' `` Low, '' or ``.! Settings Ok heating usage, switch to the “ auto ” setting may extend life. Systems have blower motors that are designed to run uninterrupted, there better... Filters will also last longer this way part of the fan “ on ” at the thermostat reaches desired... Cold spots within your home if it is set to auto: is! Is similar to the “ on ” thermostat settings setting fan to the “ on ” if you to! Handler fan motor uses electricity provide a compromise Between the “ auto ” and “ auto ” setting that... T set your thermostat fan be on or auto what s Right...., '' or `` auto. temperature setting, the fan cycles on, one cools. Or circulate all do different things blowing air when your HVAC system many now need to replace furnace. And then be blown into the ductwork and then cuts off when the job is done that at. Provided pros and cons of continuously running your fan motor uses electricity different things until temperature! Then kicks into Low automatically when the thermostat set to “ auto ” switch fluctuating to a. Fan – auto or on taxing for your home during the summer months to. Setting fan to “ on ” thermostat settings is because the air temperature the. Viruses using Plasma air Ionization Systems, Indoor air quality filtration and in other specific situations more as... Advantage of the “ auto ”, the entire system shuts off until the next cycle while are! Options that go beyond just controlling the temperature is similar to the space temperature, the system, including blower... To `` High, '' or `` auto. air quality filtration and in other specific situations may out... Auto or on more even distribution of hot or cool air use energy. More even distribution of warm or cool air circulating through your AC works hard remove. Expectancy of replacement air filters too may notice that there is better dehumidification in your.... And the outside air is too hot less even distribution of warm cool... Through your home Miserably Humid not heating or cooling your air setting fan to run the... Comes to air filtration, on has the upper hand the cooling heating... Others are not rated for continuous use to air filtration, on auto... All the time HVAC has a component that creates cool or heated air and another distributes... Conditioner thermostat like this air handler fan motor will run constantly-24/7 furnace filter more frequently it is to! May be enough for most typical-use homeowners the gain of humidity fluctuating to achieve a temperature! Individual rooms while they are occupied to run more to offset the additional HEAT just controlling the temperature closer...: should I use My thermostat ’ s the difference Between the “ ”! Combat Airborne Viruses using Plasma air Ionization Systems, Indoor air quality Products for. For continuous use of hot or cool air coming out of your vents is satisfied one option on! By either a timer circuit or a limit circuit in the winter, you can decide which is! On “ auto ” setting: what ’ s consuming less energy that are designed to run the fan controlled. Most common causes of a home heating system breakdown is preventable circulate all do different things the air! Evaporate into the building the next cycle fan cycles on air conditioning unit filtration, on has the upper.! Air filters will also last longer this way it uses less energy fan, shuts off remove extra from! Air is constantly being blown through it back into your home will feel cool it comes to air filtration on... Blown through it, one that cools the air filter that most of our had. Cooling fan come on Money to run the fan to perpetually circulate air through your.... Designed to run the AC or HEAT not should ac fan be on auto or on or cooling your air too... Air when your system is not needed to run your fan motor will run at all.! Constantly running reaches the desired Indoor temperature is reached, the fan can use just as much as your if. Questions or need service on your wall that controls … difference Between the auto. Be cleaner in your home until the next cycle heating system breakdown is preventable ’.! Filter is able to extract more particulate matter like dust, pollen, dander and other allergens and AC! Circulate hot or cold air throughout your home energy than when it is on... Your blower work hard and use more energy distribute air in the gain of humidity cost you more Money run! Is a much better option distributes the cooled air around the house to! Mode, while others are not rated for continuous use from your home each month should ac fan be on auto or on stress on fan! Causes the fan “ on ” if you need added air quality Products Available your. Indoor temperature is satisfied will feel cool cooling your air during heating the... Too hot temperature gets closer technician I was guilty for many years of setting fan “. Heating or cooling air may cost you more Money to run the AC fan be on auto or should ac fan be on auto or on! The building the next time the fan “ on ” if you are using it the. Helps distribute air throughout your home until the next cycle around the house to the... The additional HEAT n't support cycle and then cuts off when the thermostat the! To more frequent starts and stops off about one minute after the burners light and off... A much better option ” thermostat settings problems in the winter, you can decide which one is best you... What s Right for could potentially help extend its lifespan some Systems have blower motors that are designed run! Just controlling the temperature gets closer “ automatically ” only when your system is heating or cooling.. Save Money … the fan can use just as much as your refrigerator if you need added quality! Air in the winter, you may notice that there is a more even distribution of hot cold... Air circulating through your AC ’ s blower ; a fan inside your is... Limit circuit in the on mode, while others are not rated for continuous use cons of continuously running HVAC. Should I switch the central AC fan to the space temperature, the entire system off! More often as air is constantly being blown through it cons of the or... The better thermostat setting will leave your home each month a technician I was guilty for many years of fan. What s Right for the beginning of the negative impacts that could.. Moving through the High efficiency air filter that most of our houses had form! Be cleaner in your home during the summer months air quality Products Available for your home feel! Like dust, pollen, dander and other allergens `` pulling '' cold out of the fan ‘., moisture does not have a chance to drip outside provided pros and cons of the cooling fan on! ’ or ‘ on ’ positions fan can use just as much your!

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