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. Full disclosure, as a technician I was guilty for many years of setting fan to “on” at the thermostat. In a dry climate, you can run the fan "on" with little problems in the gain of humidity. The “auto” setting. What are the pros and cons of the fan “on” or “auto” settings? The blower motor fan may wear out faster due to more frequent starts and stops. 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. You can adjust the temperature by changing the setting on the thermostat and the air … 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. During times of normal usage, switch to the “auto” setting to improve system efficiency and savings. 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. When it comes to air filtration, ON has the upper hand. 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. The “auto” setting may extend the life expectancy of replacement air filters too. There are two settings on your thermostat to control the fan – auto or on. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. Once the AC cools your home down to the temperature you’ve set, then both the AC and the fan will … Your HVAC system many now need to run more to offset the additional heat. Pros: The primary advantage of the “auto” setting is that it uses less energy. You may notice that there is less even distribution of hot or cool air. Only use the “on” position if you need added air quality filtration and in other specific situations. If you can tolerate most of the summer heat – save for the absolute hottest of days – you'll want to use the AUTO setting. 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. The AC unit uses the vast majority of energy from your home each month. The fan would use slightly more energy than when running on low however the actual AC compressor uses vastly more energy than the fan. Fluctuating to achieve a consistent temperature all day is far more taxing for your system. Save electricity and keep the FAN setting at “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. Leave the fan on “auto” when possible. 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. 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 … 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 fan only runs when the system is on and not continuously.  Lic #906115 | Certified Comfort Systems, Inc. dba Hydes Air Conditioning, Terms & Conditions | Privacy Policy | Sitemap  All Rights Reserved | Design and Marketing by LeadsNearby. 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. Setting the FAN to “ON” is not needed to run the AC or HEAT. “Auto” and “On” Thermostat Settings. 3. There are two settings on your thermostat to control the fan – 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. Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. Once the desired indoor temperature is reached, the fan shuts off until the next cycle. The fan setting on your thermostat controls your HVAC’s system blower. 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. When … 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. Originally Answered: Should I switch the central AC fan to auto or on and why ? Setting The Fan To Auto: This is a much better option. Because the fan only runs when your home is in a heating or cooling cycle, there are times … Keep the thermostat set to “AUTO” FAN so it is not constantly running. On the other hand, if your fan is set to Auto, that means that the fan will only come on when the AC does. 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. In air conditioner auto mode designed to save energy and blow ur air as per temp desired temperature deman. AUTO means that the fan turns on automatically only when your system is heating or cooling air. 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. 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. For air circulation, it’s better to rely on ceiling fans in individual rooms while they are occupied. The short answer is to keep the fan on “Auto”. Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. ON mode causes the fan to perpetually circulate air through your AC filter. var d = new Date; When the switch is set to “ON” the air handler fan motor will run constantly-24/7. Contact. 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. Running your fan on AUTO … A clogged filter also makes your blower work hard and use more energy. Have questions or need service on your HVAC system? “AUTO” Setting: Your AC fan shuts off with the rest of the cooling system as soon as it reaches the temperature on your thermostat. During heating, the fan is controlled by either a timer circuit or a limit circuit in the unit. This is the most energy efficient option. In the winter, you may notice cool air coming out of your vents. Some systems have blower motors that are designed to run in the ON mode, while others are not rated for continuous use. There is better dehumidification in your home during the summer months. The AC fan kicks in when needed and stops running when the job is done. This means it’s consuming less energy than when it runs non-stop, which means lower furnace bills. This is not needed to run the AC or HEAT. About  |  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. This is because the air temperature is similar to the space temperature, your home will feel cool. 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. What AUTO and ON mean. Pics of : Should Ac Fan Be On Auto Or On. The fan setting controls your AC’s blower; A fan inside your system that helps distribute air throughout your home. 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. What are the pros and cons of the fan “on” or “auto” settings? This will help reduce hot or cold spots within your 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. The primary advantage of the “auto” setting is that it uses less energy. How to Know the Difference Between the Fan and Auto Options on a Honeywell Thermostat Air Conditioning Unit. This is supposed to be more energy-efficient. When the thermostat is set to “ON”, the FAN will run at all times. document.write(y); Choosing Between “On” and “Auto” Some homeowners choose the “on” option instead of “auto” to simply sustain air circulation. Air is continually being cleaned causing filters to get dirty more quickly. Most HVACs have an option for the fan in ‘auto’ or ‘on’ positions. The air could be cleaner in your home if it is pulled through a filtration or UV light system. ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. The downside is that your fan motor uses electricity. Variable speed air handlers provide a compromise between the “on” and “auto” settings. 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. I never really thought of any of the negative impacts that could happen. Contact us today. 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! Ceiling fans. 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. 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. Set the fan to the “auto” position whenever the compressor is running, and the outside air is too hot. 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... © Energy-efficient ceiling fans, for example, use as little as 30 watts and provide a continuous flow of air … Difference Between On And Auto Ac Settings Ok Heating. The auto setting is energy efficient and may be enough for most typical-use homeowners. 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. The fan speed can be set to "High," "Low," or "Auto." It may cost you more money to run your fan nonstop. If anything, the water will evaporate into the ductwork and then be blown into the building the next time the fan cycles on. The auto setting turns the fan on only when the air conditioning or furnace is actively running. When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside. The fan can use just as much as your refrigerator if you are using it all the time. Whereas, our other owner Jesse, sets his home to … Running your fan on AUTO or ON is a personal preference. The fan setting either auto, on or circulate all do different things. If your fan runs continuously, moisture does not have a chance to drip outside. If there's a big difference it starts out on High then kicks into Low automatically when the temperature gets closer. 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. It blows back into your home and your AC works hard to remove extra moisture from the air. Air conditioning units have two main components, one that cools the air, and another that distributes the cooled 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. Thermostat fan “on” or “auto” setting: what’s the difference between the two? Your HVAC has a component that creates cool or heated air and another that moves that conditioned air. The thermostat on your wall that controls … Once the. 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. The Pros And Cons Of Continuously Running Your Hvac Fan. Allowing the fan to run uninterrupted, there is a more even distribution of warm or cool air circulating through your home. Combat Airborne Viruses Using Plasma Air Ionization Systems, Indoor Air Quality Products Available for your Home to Eliminate the Virus that Causes COVID-19. The quality of "pulling" cold out of the compressor makes up part of the unit's efficiency. 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. Avoid leaving the fan “on” if you plan to leave the house. Additionally, when should the cooling fan come on? The only downside, besides those discussed in above, is that you will need t… Once the air temperature reaches the temperature on your thermostat, the fan stops moving air throughout your home. 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. 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! Did you know that many of the most common causes of a home heating system breakdown is preventable? var y = d.getFullYear(); Auto helps distribute air in the beginning of the cooling or heating cycle and then cuts off when the set temperature is reached. Although it may seem sensible to believe your system will use extra energy to power itself on, this just isn’t the case. This Thermostat Setting Will Leave Your Home Miserably Humid. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. We’ve provided pros and cons of each setting option, so you can decide which one is best for you. 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. . Heating  |  When it is set on “auto”, the fan turns on ONLY when your system is running. When your fan is constantly running, air is always cycling through. Should I Use My Thermostat’s “On” or “Auto” Setting? You’ll need to replace your furnace filter more often as air is constantly being blown through it. There could be reduced stress on the fan from less frequent starts and stops, which could potentially help extend its lifespan. The main problem with the “on” setting is that your fan is always using energy, which will increase your monthly utility bills. 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. Is On Or Auto The Better Thermostat Setting Angie S . May 21, 2018 Bryan Orr 4 Comments. Don T Set Your Air Conditioner Thermostat Like This. AUTO means that the fan turns on automatically only when your system is heating or cooling air. Commercial  |  Hold Fan Or Auto Set Your Thermostat To Save Money … You’ll need to replace your furnace filter more frequently. is set to “auto,” it means that your system’s fan will only run during your home’s heating and cooling cycles. Cooling  |  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. 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. I wanted to circulate the air, and to keep air moving through the high efficiency air filter that most of our houses had. is reached, the fan shuts off until the next cycle. Keeping your fan on AUTO is the most energy-efficient option. Thermostats come with a number of different customization options that go beyond just controlling the temperature in your home. This form needs Javascript to display, which your browser doesn't support. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. Should Your Thermostat Fan Be On Or Auto What S Right For. 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 … Fan On or Fan Auto. I'd say a 5K BTU offers just that but at an ideal indoor/outdoor temperatures. 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. Setting the fan on "auto" The fan only runs when the furnace tells it to. One option found on almost every thermostat is the fan “on” or “auto” switch. Your air filters will also last longer this way. 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. The fan setting controls when this blower is on. This means the filter is able to extract more particulate matter like dust, pollen, dander and other allergens. 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And in other specific situations ” setting: what ’ s consuming less energy just as much your! Save electricity and keep the thermostat reaches the desired Indoor temperature is reached, the fan to “ auto setting! And savings reaches the desired temperature, your home and your AC works hard to remove extra moisture from air! Viruses using Plasma air Ionization Systems, Indoor air quality filtration and in other specific.. Fan motor uses electricity your fan is constantly on and blowing air your... To leave the house cooling fan come on ’ s system blower browser does n't support, so you decide... Minute after the temperature in your home during the summer months in home... Cooling air drip and be drained outside will leave your home during summer... And blowing air when your fan runs continuously, moisture does not have chance...