You’ll need to replace your furnace filter more often as air is constantly being blown through it. For air circulation, it’s better to rely on ceiling fans in individual rooms while they are occupied. The AC fan kicks in when needed and stops running when the job is done. 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. Running your fan on AUTO … Set the fan to the “auto” position whenever the compressor is running, and the outside air is too hot. AUTO means the fan turns on “automatically” ONLY when your system is heating or cooling your air. 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. In the winter, you may notice cool air coming out of your vents. The quality of "pulling" cold out of the compressor makes up part of the unit's efficiency. 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. Keep the thermostat set to “AUTO” FAN so it is not constantly running. This is not needed to run the AC or HEAT. Once the AC cools your home down to the temperature you’ve set, then both the AC and the fan will … ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. 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. 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. The fan setting controls your AC’s blower; A fan inside your system that helps distribute air throughout your home. During times of normal usage, switch to the “auto” setting to improve system efficiency and savings. 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. About  |  What are the pros and cons of the fan “on” or “auto” settings? Running your fan on AUTO or ON is a personal preference. There are two settings on your thermostat to control the fan – auto or on. Cooling  |  Some systems have blower motors that are designed to run in the ON mode, while others are not rated for continuous use. Energy-efficient ceiling fans, for example, use as little as 30 watts and provide a continuous flow of air … In a dry climate, you can run the fan "on" with little problems in the gain of humidity. The short answer is to keep the fan on “Auto”. Hold Fan Or Auto Set Your Thermostat To Save Money … 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. Heating  |  Fan On or Fan Auto. The fan speed can be set to "High," "Low," or "Auto." The fan can use just as much as your refrigerator if you are using it all the time. 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. Contact. Leave the fan on “auto” when possible. Pros: The primary advantage of the “auto” setting is that it uses less energy. If your fan runs continuously, moisture does not have a chance to drip outside. You can adjust the temperature by changing the setting on the thermostat and the air … Your HVAC has a component that creates cool or heated air and another that moves that conditioned air. 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. Your air filters will also last longer this way. 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... © When the switch is set to “ON” the air handler fan motor will run constantly-24/7. 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 your fan is set to AUTO, moisture from cold cooling coils can drip and be drained outside. What are the pros and cons of the fan “on” or “auto” settings? Once the air temperature reaches the temperature on your thermostat, the fan stops moving 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. The auto setting is energy efficient and may be enough for most typical-use homeowners. When the thermostat is set to “ON”, the FAN will run at all times. When it is set on “auto”, the fan turns on ONLY when your system is running. 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. The air could be cleaner in your home if it is pulled through a filtration or UV light system. I'd say a 5K BTU offers just that but at an ideal indoor/outdoor temperatures. A clogged filter also makes your blower work hard and use more energy. Should I Use My Thermostat’s “On” or “Auto” Setting? “Auto” and “On” Thermostat Settings. Once the. 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. Allowing the fan to run uninterrupted, there is a more even distribution of warm or cool air circulating through your home. ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. If you can tolerate most of the summer heat – save for the absolute hottest of days – you'll want to use the AUTO setting. ON mode causes the fan to perpetually circulate air through your AC filter. The fan setting on your thermostat controls your HVAC’s system blower. 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 … 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. This is supposed to be more energy-efficient. Additionally, when should the cooling fan come on? 3. Whereas, our other owner Jesse, sets his home to … 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. When your fan is constantly running, air is always cycling through. AUTO means that the fan turns on automatically only when your system is heating or cooling air.  Lic #906115 | Certified Comfort Systems, Inc. dba Hydes Air Conditioning, Terms & Conditions | Privacy Policy | Sitemap  All Rights Reserved | Design and Marketing by LeadsNearby. One option found on almost every thermostat is the fan “on” or “auto” switch. 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. Commercial  |  Your HVAC system many now need to run more to offset the additional heat. Once the desired indoor temperature is reached, the fan shuts off until the next cycle. You’ll need to replace your furnace filter more frequently. 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 AC unit uses the vast majority of energy from your home each month. 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! Did you know that many of the most common causes of a home heating system breakdown is preventable? The “auto” setting may extend the life expectancy of replacement air filters too. Full disclosure, as a technician I was guilty for many years of setting fan to “on” at the thermostat. Air is continually being cleaned causing filters to get dirty more quickly. In air conditioner auto mode designed to save energy and blow ur air as per temp desired temperature deman. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. 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