The thermostat in your home has a setting that you may use to control the blower fan that is part of your HVAC system. This fan helps move warm or cool air about your home to maintain a consistent temperature established by your thermostat.
You can select On or Auto as the control mode for the fan part of your HVAC system when operating it. More than likely, you have already been aware of some details. Nevertheless, how exactly do you choose the setting for the air circulation to be implemented? To be more specific, what is the most significant difference between the two settings of the thermostat?
We will provide you with all the information you need to determine the appropriate speed for your thermostat fan. We’ll explain the differences between the two fan settings on the thermostat and help you decide which setting will be more cost- and energy-efficient in the long run.
What Does It Mean When It Says ‘On’ Mode?
If your HVAC system is set to the “On” mode, the fan will continue to run even when the system is not actively heating or cooling your home. Your fan keeps going no matter how cold or hot it gets in the house.
It will continue to operate as before, with your thermostat commanding your home’s HVAC system to maintain the temperature you set. The fan continues to rotate, circulating air around the house, although no heating or cooling occurs.
What Are the Pros of Having Your HVAC Fan On?
One of the most significant advantages of keeping the fan on is that it can help to even out the temperature in your home. If you have hot and cold spots in your house, the fan can help to circulate the air and make the temperature more consistent. This can be a huge benefit when you want to keep your home cool and comfortable during the summer.
Another advantage is that it can help improve your home’s air quality. If you have allergies or asthma, circulating the air can help to remove pollen, dust, and other allergens from the air. This can provide much-needed relief from allergy symptoms.
What Are the Cons of Having Your HVAC Fan On?
Leaving the fan on can cause the system to work too hard, which is one of the worst things that could happen. Having the HVAC fan on can cause your energy bills to go up and shorten the system’s life. Leaving the fan on when the air conditioner isn’t working can also bring hot air into the building, making the room unbearable.
Failure to keep the fan in good working order might spread allergies and dust throughout the home. Allergic or asthmatic patients may experience breathing difficulties as a result.
What Does It Mean When It Says ‘Auto’ Mode of Your HVAC Fan?
If your HVAC system has an “auto” fan setting, the fan will only run when it is heating or cooling the air. In other words, the fan will work only when it’s necessary to circulate the air.
The fan will run when the temperature rises above your set point and will turn off when the temperature falls below your set point.
What Are the Pros of Having Your HVAC Fan on Auto?
One advantage is that it can help to save energy because it only runs when needed.
Furthermore, when set to AUTO, your air filter won’t need to be changed often. Air filters do a better job of collecting dust and grime while the fan constantly rotates. If the filter is clogged, the fan has to work harder to move the air through. This increases the energy needed and the cost of the electricity used.
For your air conditioner to function correctly throughout the summer, it must be turned off periodically. This is to make the moisture that forms on the cooling coils escape outside. Droplets are blown back through the filter and into the air throughout your home while the fan is running continually, requiring your HVAC system to work harder to remove the excess moisture from the air.
What Are the Cons of Having Your HVAC Fan on Auto?
When you choose the AUTO option for the thermostat, the humidity level in the house may rise. Aside from that, some rooms’ temperatures may be higher or lower than you prefer. This is because the system does not run continuously but decides when to stop circulating hot or cool air throughout the house based on the temperature of the air closest to your thermostat.
The humidity in your home can significantly impact your comfort level. If it is too high, you may feel sweaty and uncomfortable. If it is too low, you may feel dry and irritated.
Which Setting Is Better for Your HVAC Fan: Auto or On?
There are many factors to consider when deciding whether to set your HVAC fan to auto or on. The most important factor is climate. If you live in an area with hot, humid summers, you’ll want to set your fan on so that it can circulate the air and keep your home cool.
If you live in a colder climate, you’ll want to set your fan to auto so that it doesn’t run unnecessarily and waste energy. Other factors to consider are your home’s size, the number of people in your household, and your personal preferences.
Ultimately, your preferences and needs determine whether to turn your HVAC fan on or set it to automatic operation.
What Are the Products That Can Boost Your HVAC Fan?
The following is a list of some of the various products that can help improve the performance of your HVAC fan.
1. Air Filters
Air filters help remove airborne contaminants from your home’s air and should be changed regularly. The type of air filter you will need will depend on the specific needs of your home.
2. Air Purifiers
Air purifiers are a valuable tool for removing toxins from the air, and they can work in tandem with air filters to achieve optimal results. You may choose the air purifier that is most appropriate for your needs, thanks to the wide variety of sizes and types available.
3. Humidifiers
Humidifiers help to add moisture to the air, which can be beneficial during the winter when the air is typically dry.
Conclusion
Using the On and Auto options on the setting for your HVAC fan has its advantages and disadvantages. Your specific requirements and needs are ultimately going to be the ones to decide what the ideal speed is for your HVAC fan.
Contact HVAC Swami if you need HVAC emergency repair services. Our team is composed of experts in heating, ventilation, and air conditioning with many years of combined industry expertise. Get in touch with us now.
