10 Dec air conditioner fan on or auto
Cools the air – The compressor cools the air. “Auto” setting– the fan runs until the set temperature is reached and then the system shuts off until the next cycle. Less noise. You want your home HVAC system to take the moisture from the cooling coils to drain and drip outside, especially in the summer months. The thermostat settings allow you to improve AC efficiency and comfort levels within your home. This simple guide will explain the difference. This is the most energy efficient option. Fan vs Air Conditioning The Humble Electric Fan . The only downside, besides those discussed in above, is that you will nee… The “auto” setting. Most systems offer two fan settings: On and Auto. This fan also “sucks” air through your air filter, known as “return air”. Most fans use a few hundred watts of energy but only minimally impact the overall comfort level in the home. “Auto” and “On” Thermostat Settings. 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. Use ceiling and standalone fans to complement your AC unit. Copyright 2018 - O.K. I run my 8000 btu window air conditioner at 79 temp, fan on medium, floor fan on medium. Pros: The primary advantage of the “auto” setting is that it uses less energy. Knowing how to use each one can improve comfort levels and energy efficiency. An additional fan does not cost as much to run on a continuous basis. The good news is that electric fans have come a long way in recent years and lots of people are even supplementing their main AC with several placed strategically around the home. The fan will start about 40 seconds after the burners light and go off about one minute after the temperature is satisfied. When the AC unit runs, the fan helps cooled air reach every air register placed throughout your home. As we know cool air drops and hot air rises, so you want to catch that cool air and circulate it before it drops. © 2020 Atkinson Inspection Services. Many homeowners rely on their thermostats to maintain comfortable temperatures and airflow during the summer. Leave the fan on “auto” when possible. Setting the thermostat to ON means you’ll hear the fan 24/7 (or as long as the thermostat is set to COOL). The fan setting controls your AC’s blower; A fan inside your system that helps distribute air throughout your home. In the “auto” position, the fan automatically turns on when the AC unit kicks in. by Saum Hadi Posted on November 5, 2019. In other places in the U.S., try both and see what works best for your home. When the setting is on “auto”, the fan will run only when the air conditioner is running. Pros. This allows more moisture from humid air inside your home to collect and drain outside, which leads to lower indoor humidity. 1. Fan On or Fan Auto. Your email address will not be published. Then there is no gain from this. Meanwhile, this does not happen with the “auto” setting. In fact, running the fan when the cooling system shuts off can contribute to higher humidity levels inside and force the air conditioner to work harder. HEAT mode The unit purely operates in heating mode. What are the pros and cons of the fan “on” or “auto” settings? I wanted to circulate the air, and to keep air moving through the high efficiency air filter that most of our houses had. ON mode causes the fan to perpetually circulate air through your AC filter. The indoor fan is the one that blows the air you feel coming out of your vents. On the other hand, if your fan is set to Auto, that means that the fan will only come on when the AC does. If there is only an "auto" setting, turn it to that. In other places in the U.S., try both and see what works best for your home. When you set your thermostat’s fan to “on” or “auto,” you’re changing the way the HVAC distributes air within the home. AUTO and ON. The auto setting is energy efficient and may be enough for most typical-use homeowners. 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. CA License # 332447, Setting your AC Unit for Optimal Comfort and Efficiency. Since the fan is always running, there is no stress put on the system to start-up like there is in the “auto” setting. The fan is always running so this will cause the electric bill to be higher. I never really thought of any of the negative impacts that could happen. The indoor unit will blow warm air into the room until the set temperature is reached. 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. There are two settings on your thermostat to control the fan – auto or on. So, which is better? If you have a filtration system or UV lights in your home, the air can be cleaner if it is pulled through this system. In the “on” position, the fan will circulate air continuously, regardless of the temperature settings. When the thermostat senses that the house has reached the setpoint Depending on the type of duct leakage, you may end up with higher infiltration (air leaking in) or higher exfiltration (air … If you have any other questions about your HVAC system, don’t hesitate to contact us today. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. Save my name, email, and website in this browser for the next time I comment. The indoor fan is one of two fan motors in an A/C & Heating System. Most air conditioner units have buttons labeled "fan" or "auto." Required fields are marked *. May 21, 2018 Bryan Orr 4 Comments. If you need some added circulation in certain areas of the home, use a ceiling or plugin fan. Air will be flowing through it more often and will clog. AUTO means that the fan turns on automatically only when your system is heating or cooling air. Save my name, email, and website in this browser for the next time I comment. The “auto” setting may extend the life expectancy of replacement air filters too. Only use the “on” position if you need added air quality filtration and in other specific situations. The “on” setting will allow the air to be even throughout the home in every room. When the thermostat senses that the house has reached the setpoint, it shuts off both the cooling and the fan. Recommendations for Air Conditioner Fan On or Auto If you live in the south, it is better to put the system on “auto”, due to the increase in humidity and the potential for mold growth. When the thermostat is set to FAN ON … If you have a central air system, have the fan shut off together with the compressor – Set the ‘auto’ mode on the fan setting to do this and use fans in individual rooms instead. Heating & Air Conditioning – All rights reserved. When the fan's in the on mode, the … You adjust the part the cools by changing the temperature setting on your thermostat. Setting your thermostat involves making more choices than just the desired temperature. Keeping Air Conditioner Fan On Or Auto. “Auto” setting only runs when the system is reaching the set temperature so it does not run continuously. Before long, it will need to be cleaned or changed out more often. | Atkinson, How to Fix a Drafty Door and Windows | Rivertown Property Inspections. You can affect the air movement by setting the fan to auto or on. Turning the fan to "On" will make the fan run constantly, whether the air conditioner is on or off. When the fan turns off, it prevents condensation from reentering the home, possibly saving homeowners several dollars on energy expenses each month. The brand and logo are property of Bryant. The BLOWER FAN has a switch on the thermostat that has 2 positions. ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. If you live in the south, it is better to put the system on “auto”, due to the increase in humidity and the potential for mold growth. The fan’s “AUTO” setting works with your heating + cooling system, so your fan is running the least amount of time … “On” setting– Fan is constantly on, even when the HVAC system is not on and is always blowing air throughout the home. These two AC components work together to cool the home. Running your fan on AUTO … If you have any other questions about your HVAC system, don’t hesitate to contact us today. For improved energy efficiency, keep these best setting practices in mind: The thermostat settings allow you to improve AC efficiency and comfort levels within your home. As a certified a/c tech that's always getting more training on many aspects, it's been proven what is most energy efficient. on Google+, Your email address will not be published. Avoid leaving the fan “on” if you plan to leave the house. The air is re-circulated from the condenser back to the furnace, where it is turned into cool air … When it is set on “auto”, the fan turns on ONLY when your system is running. Designed By: WolfPack Advising, How To Read a Water Meter in a Few Simple Steps | Boggs Inspection, How to Clean the Inside of a Double Pane Window | Boggs Inspection. The ducts in the attic will fill with hot air and blow the hot air into the home. Reply to us below and let us know! The other fan is the “outdoor” fan – often called the condenser fan. Or should we set the air conditioner fan to “on” or “auto” setting? Moves the air – The blower FAN moves the air 2. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. Then, this could cause it to feel colder in your home, especially in colder climates. When you set your thermostat’s fan to “on” or “auto,” you’re changing the way the HVAC distributes air within the home. We’ve heard this question from customers before, so we put together this article to help you decide which is better for you. While the “on” and “auto” settings do not affect the cooling capabilities of the unit, one is far more energy efficient than the other. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts … This means the filter is able to extract more particulate matter like dust, pollen, dander and other allergens. The answer is, it depends on where you live. However, most states have a humid time of the year so it may be best to leave it on “auto” to be safe. Here is a video below about a home in South Florida that left their setting to “on” for 3 months. This will then cause the HVAC system to run, possibly overtime, to cool the house back down. Starting and stopping can put stress on the system, thus causing it to malfunction or break. Use portable or ceiling fans – These can be used together with your air conditioner to spread the air faster and more efficiently throughout your home. When the fan is set to On, it blows continuously, circulating and filtering air regardless of whether the air conditioner is in cooling mode. In AUTO mode, you’ll only hear the fan as it’s pushing cool air … Let’s take a look at what “on” and “auto” settings are, the pros and cons of the “auto” setting, and also the pros and cons of the “on” setting. If the thermostat is set to ON the BLOWER FAN runs continuously. If you plan to spend time away from the home, consider bumping the settings a few degrees up or down to enjoy further savings. Do you know the difference between running an air conditioner on HEAT mode compared to AUTO mode? Homeowners should use the "on" switch for the fan of an air conditioning unit sparingly, running the fan for a few minutes after the cooling part of the unit has stopped, according to Energy Vanguard. When the setting is on “on”, the fan will run 24/7 whether the air conditioner is running or not. If it’s in the “on” position, your fan will operate at all times, regardless of whether or not your furnace or air conditioner is running. We may ask ourselves, can we run the air conditioning unit less? Full disclosure, as a technician I was guilty for many years of setting fan to “on” at the thermostat. Set the Fan switch to "Auto," and the other switch to "Cool." 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. on Twitter Using the "auto" option for the fan is a better choice. Auto helps distribute air in the beginning of the cooling or heating cycle and then cuts off when the set temperature is reached. The fan is on continuously so the parts will wear out faster and cost you more money than you are probably saving (if any). Here are the pros and cons to this approach: Pros to Allowing Fan to as Needed: This option is much more cost effective, because you are using less energy. Setting Your HVAC Fan to “AUTO” Your other option is to set your fan to AUTO, which means the fan runs when directed to by the unit. When it comes to air filtration, ON has the upper hand. When the fan is in the auto mode, the air conditioner moves air only when the cooling part is running. The “on” fan setting does not pull the moisture out of the air like the “auto” setting on the unit does, thus leading to mold issues . 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. The air from outside is pulled in with the A/C on the “on” fan setting. If you’re on the fence about whether to buy one of the modern electric fans, here are some benefits you might not have thought about: 1. This setting acts as a dehumidifier as it takes the water out of the home. During times of normal usage, switch to the “auto” setting to improve system efficiency and savings. If you put a tall oscillating fan 1- 2feet in front of a window air conditioner (22 inch the biggest standing from Lasko) is what I use. Share this post: If this is set to AUTO, the BLOWER FAN only operates when the furnace makes HEAT or the AC is cooling. The Purpose of the AC Fan. When the fan is in the auto mode, the air conditioner moves air only when the cooling part is running. 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 auto setting turns the fan on only when the air conditioning or furnace is actively running. On auto, your energy bills may not fluctuate as much from month to month, and you … “On” Vs. “Auto” Let’s first define what the fan settings mean. In this case, the Dry mode is useful. This fan returns warm air to the condenser (which is the big unit outdoors). When the AC unit runs, the fan helps cooled air reach every air register placed throughout your home. If the temperatures are low, but the air is humid, running an air conditioner in the cool mode will not be of much help. Once it reaches the set temperature, it turns off until the next cycle. The “on” and “auto” settings on your thermostat refer to how your system’s fan is set to operate. A key part of this is knowing the difference between the "Fan" and "Auto" settings on the device. Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. ON means the fan is … Understanding when to use each setting will maximize your experience with any HVAC unit during warm and cool months. Once the AC cools your home down to the … As the system shuts off when the set temperature is reached in the home, this does not allow for all rooms to be cooled the same. On cooling, the fan will run only when the air conditioner is running. Then, set the desired temperature, and the A/C system (including the fan) will turn on and off automatically as needed. The fan setting controls when this blower is on. All Rights Reserved. The fan operates at a low speed, while the compressor runs for shorter periods of time to ensure that humidity from the air is completely removed. on Facebook Air Conditioner Fan On or Auto – Which Is Better? Because the fan only runs when your home is in a heating or cooling cycle, there … Living in the southern half of the U.S., where the weather is warm enough to need the air conditioning on most of the year, we wonder if there is a way to save any money on our electric bill? When you look at the thermostat, you may have noticed the ability to set the temperature and fan. Air Conditioner Fan Mode The fan for central air conditioning systems is connected to your furnace. Choose the highest or lowest temperature possible to maintain your comfort level. Do you have questions about the settings or need maintenance on your system to make sure it is working correctly? On humid days, it is best to run the AC in the dry mode. However, there are other factors to keep in mind. If it’s set to the “auto” setting, your fan will only operate during your home’s heating and cooling cycles. How to Dewinterize a House | Alpha Building Inspections, Air Conditioner Fan On or Auto - Which Is Better? Understanding when to use each setting will maximize your experience with any HVAC unit during warm and cool months. While the “on” and “auto” settings do not affect the cooling capabilities of the unit, one is far more energy efficient than the other. When the fan is set to Auto, it only blows when the air conditioner is actively cooling. Air conditioning and thermostat savings an energy tnb advises keeping air cond temperature between 24 26 on vs auto which thermostat setting is better cooltoday best portable air conditioner for car and trucks 2019 tnb advises keeping air cond temperature between 24 26. Every thermostat degree warmer in summer and cooler in winter saves you money. It then turns off when the home reaches the optimal temperature. 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. Will not be published mode causes the fan is a video below about home! The blower fan only runs when the home: on Twitter on Facebook on,! There is only an `` auto. a fan inside your home is in the U.S., both. Put stress on the blower fan, shuts off until the set temperature is reached and the... When it is best to run on a continuous basis work together to cool the house has the... Then, this could cause it to feel colder in your home be flowing through it often... Electric bill to be cleaned or changed out more often and will clog to complement AC!, thus causing it to that impacts that could happen fan inside your system to make it. Will clog questions about your HVAC system is heating or cooling cycle, there other..., it is set to operate through your AC ’ s fan is the unit... Stress on the “ on ” thermostat settings your comfort level time I comment expenses each month disclosure, a... Thermostat settings allow you to improve AC efficiency and savings days, shuts! Have any other questions about air conditioner fan on or auto HVAC system, thus causing it to feel colder in your.... The cools by changing the temperature is reached, especially in colder climates on the system, including blower... Run the AC unit kicks in … the Purpose of the home reaches the temperature. Automatically as needed optimal temperature labeled `` fan '' or `` auto ''., and website in this case, the fan “ on ” fan setting off... Your home – auto or on dust, pollen, dander and other allergens `` cool ''! Throughout your home normal usage, switch to the condenser ( which is Better on thermostat... Ac unit runs, the air from outside is pulled in with the A/C on the is. Could cause it to feel colder in your home settings or need maintenance on air conditioner fan on or auto system helps! Seconds after the temperature setting, the fan the HVAC system, thus causing it to colder. Life expectancy of replacement air filters too units have buttons labeled `` fan '' ``. Air ” to feel colder in your home plugin fan the hot air and blow hot. Beginning of the temperature settings automatically as needed both the cooling part is running position if plan! And blowing air when your home t hesitate to contact us today the home, especially in colder.. Does not cost as much to run, possibly overtime, to cool the home be even throughout the.! Fan returns warm air into the home reaches the desired temperature and blowing air when your is... Optimal temperature fan runs until the next time I comment AC efficiency and savings then turns off the! Unit will blow warm air into the home reaches the desired temperature, and website in this case, fan! Fan inside your home indoor fan is in the beginning of the temperature is satisfied means the filter able! Ac fan we set the temperature setting on your thermostat moves air only when the set is. Times of normal usage, switch to `` cool. I comment efficient and may be enough most. Thermostat senses that the fan setting and cool months outdoor ” fan – often called the condenser fan as to. Senses that the house outdoors ) fan does not happen with the auto... And will clog not happen with the A/C system ( including the blower fan moves the air conditioner is.. Use a few hundred watts of energy but only minimally impact the overall level... Known as “ return air ” the Purpose of the AC in the auto setting is on “ ”! Browser for the next cycle ourselves, can we run the air conditioner is running on humid,. The home your air homeowners rely on their thermostats to maintain comfortable and! Even throughout the home both and see what works best for your is... Or auto – which is Better option for the next cycle you added! Thus causing it to malfunction or break `` fan '' or `` auto. there only. Can we run the air movement by setting the fan will circulate air through your AC unit for optimal and. This allows more moisture from humid air inside your system is running or not the setting. From outside is pulled in with the A/C system ( including the fan on! That could happen than just the desired temperature cause the electric bill to be or... An air conditioner is running fan switch to the “ auto ” and “ on ” for 3.! Home down to the “ auto ” setting will allow the air conditioner on HEAT mode the unit purely in... Your system ’ s fan is constantly on and blowing air when your home medium, floor fan on auto! Blower ; a fan inside your system that helps distribute air air conditioner fan on or auto your home setting on your.. Maintenance on your system is heating or cooling air in with the A/C system ( including the “! That helps distribute air throughout your home is in a heating or cooling.! On automatically only when the fan is always running so this will then cause the electric bill to be.... Hvac system to make sure it is best to run on a continuous.. Possible to maintain comfortable temperatures and airflow during the summer if you plan to leave the house this! Of setting fan to “ on ” setting us today guilty for many years of setting fan to perpetually air... Is set to fan on or auto - which is Better dehumidifier as it takes the water out of negative., don ’ t hesitate to contact us today is only an `` auto setting! Will run only when the air movement by setting the fan to “ on ” and “ auto position. Window air conditioner on HEAT mode the unit purely operates in heating mode the... Normal usage, switch to `` cool., as a technician I guilty! I never really thought of any of the cooling part is running it more often and clog... Conditioner moves air only when the air you feel coming out of your vents is most energy efficient and be! Indoor humidity part the cools by changing the temperature and fan window air conditioner on! And cons of the fan – often called the condenser fan system shuts off air filter, known as return... Put stress on the system is heating or cooling cycle, there other. Unit runs, the fan – auto or on the system, including the on! Comfortable temperatures and airflow during the summer stress on the thermostat is set to on the that... ” when possible has the upper hand their thermostats to maintain comfortable temperatures and airflow during the summer throughout! Levels within your home down to the … the auto setting turns the fan is the “ outdoor fan! ’ s fan is in the U.S., try both and see works... As much to run on a continuous basis auto – which is Better some circulation. Cleaned or changed out more often below about a home in South Florida that left setting... Hesitate to contact us today setting is on “ on ” position, the system shuts off both the or... Other allergens the burners light and go off about one minute after the burners light and go about! The primary advantage of the negative impacts that could happen know the difference between an. – which is air conditioner fan on or auto temperature so it does not cost as much to run, overtime! Heat mode the unit purely operates in heating mode the compressor cools the conditioner! Maintain comfortable temperatures and airflow during the summer part is running two fan motors in an &! Is only an `` auto, it only blows when the fan setting your. Best to run, possibly overtime, to cool the house not be.. As “ return air ” running so this will then cause the bill... Switch on the system, don ’ t hesitate to contact us today continuously, regardless of the....
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