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. 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. Cons: The main problem with the “auto” setting are that it goes through many stops and starts which can wear on the fan … 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. The other answer I’ve heard is that ‘It costs just as much to run the fan on as it does when the AC is also running,’ but I … In the summer, to get the wind-chill effect, the blades need to run in a counterclockwise fashion. When your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside. If you have any other questions about your HVAC fan, send us a tweet! This will help circulate the heated or cooled air more efficiently to tackle those further reaches of the home. I leave my fan on to keep air circulating but I’ve heard lots of different answers, including ‘The AC pulls in air from the outside,’ but I don’t think that happens unless a door is open. The fan setting on your thermostat controls your HVAC’s system blower. Here’s why you should consider using both at different times during the year. The a.c. works fine but I have a problem with fan on the in-house unit. When the thermostat is set to “ON”, the FAN will run at all times. It can also help move cleaner air throughout the house, which helps allergy sufferers. Our team goes the extra mile to deliver it every day. Should I leave my AC fan on all the time? Leaving Your Fan on Auto. Heat has a tendency to rise in the home during the winter due to “stack effect,” and parts of the home that see greater sun exposure may also become warmer than the rest of the house. When air is moving around our home, it helps us feel cooler during warmer weather if your home doesn’t have air conditioning. I have used my air handler to circulate the heat from my buck stove for the last 3 years and it works just fine. If homeowners find this is beneficial, it is generally suggested to only run the furnace fan constantly during the cold heating season. There is better dehumidification in your home during the summer months. Here are the pros and cons to this approach: 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. 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. More frequent starts and stops will make the fan wear out faster. This will help reduce hot or cold spots within your home. The air could be cleaner in your home if it is pulled through a filtration or UV light system. Allowing the fan to run uninterrupted, there is a more even distribution of warm or cool air circulating through 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. Unmatched Integrity | Homesense Heating | Cooling – Indianapolis HVAC, Furnace Repair | Air Conditioning Service | Furnace Installation, Homesense Heating and Cooling – Indianapolis HVAC Repair Installation | Unmatched Integrity | Homesense Heating | Cooling – Indianapolis HVAC, Furnace Repair | Air Conditioning Service | Furnace Installation. Similarly, should I leave my AC fan on circulate? Jason J Saylor. Your HVAC system many now need to run more to offset the additional heat. Heating & Air Conditioning Contractor. A clogged filter also makes your blower work hard and use more energy. If you’re struggling with uneven heating and cooling or uncomfortable air despite your fan’s efforts, contact Pruett Air Conditioning at 478-298-4115. It could cost you hundreds of dollars a year. Setting the HVAC fan to ON. 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. By keeping your fan on in the winter, you may feel cold air coming out of your vents. How leaving your AC fan “ON” increases humidity. During the summer months, the ducts in your attic and close to your walls can fill with warm air, resulting in the fan blowing hot air into your house. In the winter, you may notice cool air coming out of your vents. Usually you use Auto, so the fan runs when the furnace or A/C runs. There could be reduced stress on the fan from less frequent starts and stops, which could potentially help extend its lifespan. Whole-house fans. 5. Contact. The fan will circulate the cooled air more efficiently, saving energy and money. Courteous. 0. More Even Temperatures in Your Home. 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. Running your fan on AUTO or ON is a personal preference. If your fan runs continuously, moisture does not have a chance to drip outside. In Circulate, the fan can run for 15 minutes per hour (15mins), 30 minutes per hour (30mins) or 45 minutes per hour (45mins). This can be better for people with allergies. When your fan is on “AUTO,” moisture is able to drip from the cold cooling coils and drain outside. There was a certain confidence and professional casualness about Homesense that made me feel both comfortable and happy with every step of the process. I live in an area with some hot summer days , with unhealthy wildfire smoke. Contact us today. Most thermostats today come with an option to keep the furnace blower fan running continuously. Professional. If you need to, switch the fan to run in the clockwise direction to enhance heating. On cooling, the fan will run only when the air conditioner is running. The only similar question I could find was this , which doesn't really answer my question. “Should I set my HVAC fan to auto or on” is a question we commonly receive from Homesense customers — along with “does running the fan on my air conditioner use a lot of electricity?” It’s a debated topic throughout the industry, so we’re going to give you the pros, the cons, and our recommendation. Therefore, you may end up running your AC even more, to counterbalance the extra heat. When nights are cool, open windows to ventilate your house at night, particularly if you live in a climate with low humidity. You may also bring in more humid and dirty air into the system, which then gets circulated throughout your home. But is it a good option for circulating air in a house and can it help redistribute air and reduce reliance on a furnace or A/C system?. Responsive. You’ll need to replace your furnace filter more frequently. Healthier Air For Your Family ... Plus a Special Offer. Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. Some people leave the fan on all the time. Cooling  |  A short-term solution is to leave your fan on for a bit after the system turns off. Have questions or need service on your HVAC system? ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. You may feel a less even distribution of heating and cooling, because once the thermostat is satisfied, the fan stops moving air to other spaces in the home. Rhoads Energy Develops Fund to Support Local Veterans in Need. Commercial  |  March 2, 2017 / Posted in: The Ol' Sage Builder. What is the best way to use the fan so I can clean the air without drawing heat into the ducting from the attic, and not using the air conditioner? We’ve provided pros and cons of each setting option, so you can decide which one is best for you. I need a advice on how to fix a problem on a home air conditioner fan. The blower motor fan may wear out faster due to more frequent starts and stops. Circulating Air with Furnace Fan. Heating  |  Another option is a whole-house fan, which is something of a hybrid between an attic fan and a ceiling fan. The fan only runs when the system is on and not continuously. What to do when your Gas Furnace or Boiler Doesn't Start? The blower will automatically run at different speeds, giving you the benefits of lower electrical bills and increased comfort. The AC guy that fixed my AC recently said I should turn my AC fan on 24/7 and this would increase the efficiency of my AC system. I have a Hepa filter. The auto setting turns the fan on only when the air conditioning or furnace is actively running. I have a 3100sf split level home where the stove is located on the main level. Less frequent starts and stops of the fan can reduce the stress from startup, and potentially help extend its lifespan. Let’s take a look at how this thermostat setting increases humidity and what setting you should be using instead. 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. How to Use a Ceiling Fan in the Winter This option is much more cost effective, because you are using less energy. We’d love to hear from you. Should I blow air across the room to the air conditioner, or should I put the fan on top of the AC vent and blow the cold air into the room? This will help reduce hot or cold spots within your home. You may notice that there is less even distribution of hot or cool air. The fan mode for central air conditioning systems is entirely different from the fan mode for window-box air conditioning … About  |  Pros. Your furnace filter will clog up quicker (even though that means it’s working), but you will have to adjust your filter more frequently. It blows back into your home and your AC works hard to remove extra moisture from the air. FAN IS SET TO AUTO = FAN runs automatically ONLY when compressor or furnace is running. Better Air Circulation The most obvious benefit to keeping the furnace fan on the “on” setting is more even heating and cooling distribution. Each option has its own pros and cons. Less frequent starts and stops of the fan can reduce the stress from startup, and potentially help extend it’s lifespan. Leaving that fan on 24/7 is great for cleansing allergens from the air and can help people with allergies. About 3 feet from the stove is on of the two large return registers. There are two settings on your thermostat to control the fan – auto or on. Although the flow does not reduce the temperature of the circulating air, the flow increases the rate of evaporation of your sweat. Test your fan by turning it on and identifying the fan’s direction. Leaving the fan on allows for constant air circulation when your air conditioner and furnace are on and when they’re off. A ceiling fan doesn’t cool the air, it only moves the air around. (Recommended) FAN IS SET TO ON = FAN runs AT ALL TIMES regardless if compressor or furnace is running. Most HVACs have an option for the fan in ‘auto’ or ‘on’ positions. Your pets will thank you. When the AC unit runs, the fan helps cooled air reach every air register placed throughout your home. This can help with more even heating and cooling inside the home. 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. Less frequent starts and stops of the fan can reduce the stress from startup, and potentially help extend it’s lifespan. Once the AC cools your home down to the temperature you’ve set, then both the AC and the fan will shut off. The blower helps circulate hot or cold air throughout your home until the temperature on the thermostat is reached. This is because the air temperature is similar to the space temperature, your home will feel cool. Although the air temperature will be similar to the space temperature, your house will feel cold. That removes some of … 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. While the “on” and “auto” settings do not affect the cooling capabilities of the unit, one is far more energy efficient than the other. So, if you set your fan to On, then air will be circulating through your system all of the time, until you manually turn it off. Leaving Your Fan On . I looked it up and found this same claim in several places: ... Several places say to use ceiling fans to circulate air as it makes the air "feel" cooler but do not increase the efficiency of the AC … By keeping the fan on, a more even distribution of circulation of air is achieved, whether it be heating or cooling and is good for cold or hot spots in the house such as above a garage or in a certain bedroom. (Apologies if this has been asked before. The primary benefit to leaving your AC fan running all the time is that it circulates air more frequently. ... leave nothing to chance. What is the difference between a circulate and a fan? When set to ON, the fan will keep … 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. Just three words I would use to describe my experience with Homesense. 12,431 satisfied customers. You’re Not Taking Full Advantage of Fans Any type of fan, but especially ceiling fans, can help keep cool air circulating throughout your home. Some systems have blower motors that are designed to run in the ON mode, while others are not rated for continuous use. Whereas, our other owner Jesse, sets his home to AUTO because he works away from home all day, and is more concerns with reduced operating costs. Homeowners should experiment to see if it works best for their home to have the furnace fan running continuously or not. Keeping your fan on AUTO is the most energy-efficient option. But there are a few rules that govern when keeping the fan on or setting it to automatic can be more effective. Slowly circulating the air in your home using constant fan helps to even out the temperatures in your home, making it much more comfortable. Leaving the fan on 24/7 ensures cleaner air, as the air is pulled through the filtration or UV light system. When you run a ceiling fan, you can set your central air conditioning several degrees higher and still be comfortable. This is the setting that most fans use automatically. 6. 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. 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. The average unit has a 500 watt fan, which uses almost as much energy over the course of the year as a refrigerator, resulting in a $50/month bill. My digital thermostat screen is blank but ac runs on manual. Homesense was by far the most professional, respectful and seasoned HVAC company I have ever worked with. The fan will start about 40 seconds after the burners light and go off about one minute after the temperature is satisfied. (Not Recommended) Setting the FAN to “ON” is not needed to run the AC or HEAT. Positive customer relationships and experiences are the cornerstone of their business. Air is continually being cleaned causing filters to get dirty more quickly. Better dehumidification. AUTO means that the fan turns on automatically only when your system is heating or cooling air. 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. Once the air temperature reaches the temperature on your thermostat, the fan stops moving air throughout your home. 2201 E. 46th St. Suite 200 Indianapolis, IN 46205, Homesense Heating and Cooling – Indianapolis HVAC Repair Installation | Having less repeated starting and stopping of the unit can reduce stress put on it, and can increase its lifespan in the long run. There are several benefits and some drawbacks to running a furnace fan constantly. 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. Air circulation during winter heating is good, Deff not a fan of white-rogers t-stats, stick with Honeywell. The fan mode and switches are one such example. There are a few positives to this feature. 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 back into the conditioned space. It may cost you more money to run your fan nonstop. You’ll need to replace your furnace filter more often as air is constantly being blown through it. While if you set your fan to Auto, then air will only circulate through the system when the AC is on. There could be reduced stress on the fan from less frequent starts and stops, … Auto helps distribute air in the beginning of the cooling or heating cycle and then cuts off when the set temperature is reached. The stove is in a 20x15 great room with high ceilings and a huge fan. I'm a fan of spectacular - Homesense is changing how the Indianapolis community views HVAC companies. Setting Your HVAC Fan to “ON” Pros to Keeping Fan Continuously Running: Less frequent starts and stops of the fan can reduce the stress from startup, and potentially help extend it's lifespan. Allowing the fan to run uninterrupted, there is a more even distribution of warm or cool air circulating through your home. Don’t Leave your HVAC Fan On. When the fan is running 24/7, that moisture doesn’t have a chance to drip outside. After our first call, we never looked back. Run your fan. 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. 6 years college. Using the setting during the winter season may also circulate colder air throughout the home. 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. I believe trust is the foundation of a refreshingly different customer experience. This form needs Javascript to display, which your browser doesn't support. My ducting goes in the attic to the heat vents in the ceiling.