air conditioner fan on or auto
Posted on December 10, 2020

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. If the thermostat is set to ON the BLOWER FAN runs continuously. The fan will start about 40 seconds after the burners light and go off about one minute after the temperature is satisfied. This fan returns warm air to the condenser (which is the big unit outdoors). Or should we set the air conditioner fan to “on” or “auto” setting? When the setting is on “auto”, the fan will run only when the air conditioner is running. In other places in the U.S., try both and see what works best for your home. While the “on” and “auto” settings do not affect the cooling capabilities of the unit, one is far more energy efficient than the other. This simple guide will explain the difference. On cooling, the fan will run only when the air conditioner is running. | Atkinson, How to Fix a Drafty Door and Windows | Rivertown Property Inspections. When the fan turns off, it prevents condensation from reentering the home, possibly saving homeowners several dollars on energy expenses each month. Once the thermostat reaches the desired temperature, the entire system shuts off until the next cycle. We’ve heard this question from customers before, so we put together this article to help you decide which is better for you. The ducts in the attic will fill with hot air and blow the hot air into the home. Fan vs Air Conditioning The Humble Electric Fan . Since the fan is always running, there is no stress put on the system to start-up like there is in the “auto” setting. When the thermostat is set to FAN ON … The “on” setting will allow the air to be even throughout the home in every room. You can affect the air movement by setting the fan to auto or on. What are the pros and cons of the fan “on” or “auto” settings? Keeping Air Conditioner Fan On Or Auto. Save my name, email, and website in this browser for the next time I comment. Full disclosure, as a technician I was guilty for many years of setting fan to “on” at the thermostat. Setting your thermostat involves making more choices than just the desired temperature. On the other hand, if your fan is set to Auto, that means that the fan will only come on when the AC does. on Twitter Then there is no gain from this. Fan On or Fan Auto. Understanding when to use each setting will maximize your experience with any HVAC unit during warm and cool months. If you need some added circulation in certain areas of the home, use a ceiling or plugin fan. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts off. As we know cool air drops and hot air rises, so you want to catch that cool air and circulate it before it drops. This means the filter is able to extract more particulate matter like dust, pollen, dander and other allergens. 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? Once it reaches the set temperature, it turns off until the next cycle. If there is only an "auto" setting, turn it to that. 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. On auto, your energy bills may not fluctuate as much from month to month, and you … 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. “Auto” and “On” Thermostat Settings. © 2020 Atkinson Inspection Services. I wanted to circulate the air, and to keep air moving through the high efficiency air filter that most of our houses had. When the fan is in the auto mode, the air conditioner moves air only when the cooling part is running. Before long, it will need to be cleaned or changed out more often. Using the "auto" option for the fan is a better choice. 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. May 21, 2018 Bryan Orr 4 Comments. ON means that the fan is constantly on and blowing air when your HVAC system is not heating or cooling air. on Facebook This is the most energy efficient option. When the fan is set to Auto, it only blows when the air conditioner is actively cooling. The fan is on continuously so the parts will wear out faster and cost you more money than you are probably saving (if any). Once the AC cools your home down to the … The “auto” setting may extend the life expectancy of replacement air filters too. 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. 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. Most fans use a few hundred watts of energy but only minimally impact the overall comfort level in the home. 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 . If this is set to AUTO, the BLOWER FAN only operates when the furnace makes HEAT or the AC is cooling. When the setting is on “on”, the fan will run 24/7 whether the air conditioner is running or not. 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. The “on” and “auto” settings on your thermostat refer to how your system’s fan is set to operate. There are two settings on your thermostat to control the fan – auto or on. Only use the “on” position if you need added air quality filtration and in other specific situations. Use ceiling and standalone fans to complement your AC unit. How to Dewinterize a House | Alpha Building Inspections, Air Conditioner Fan On or Auto - Which Is Better? However, most states have a humid time of the year so it may be best to leave it on “auto” to be safe. Turning the fan to "On" will make the fan run constantly, whether the air conditioner is on or off. Knowing how to use each one can improve comfort levels and energy efficiency. Heating & Air Conditioning – All rights reserved. However, there are other factors to keep in mind. When you look at the thermostat, you may have noticed the ability to set the temperature and fan. Required fields are marked *. Most air conditioner units have buttons labeled "fan" or "auto." The indoor fan is the one that blows the air you feel coming out of your vents. When the thermostat reaches your temperature setting, the system, including the blower fan, shuts … The fan’s “AUTO” setting works with your heating + cooling system, so your fan is running the least amount of time … The thermostat settings allow you to improve AC efficiency and comfort levels within your home. These two AC components work together to cool the home. All Rights Reserved. Pros: The primary advantage of the “auto” setting is that it uses less energy. Reply to us below and let us know! Less noise. During times of normal usage, switch to the “auto” setting to improve system efficiency and savings. Avoid leaving the fan “on” if you plan to leave the house. The Purpose of the AC Fan. Pros. Meanwhile, this does not happen with the “auto” setting. Or not may have noticed the ability to set the air you feel coming out the. 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Dry mode is useful auto '' option for the fan helps cooled air reach every air register placed your! Any of the temperature is reached air filters air conditioner fan on or auto hundred watts of energy but only minimally impact the comfort. Case, the blower fan has a switch on the “ auto ” will. Cause the electric bill to be cleaned or changed out more often and will clog one that blows air.

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