Which Takes Less Energy? AC Fan On or in Auto?

July 16, 2020

During the summer, running your air conditioning can be your biggest monthly electrical expense. So, it’s given that you’re checking for methods to use less energy. That can include finding an energy-efficient AC setting or even making the switch to an ENERGY STAR®-rated unit with air conditioner installation.

Adjusting your air conditioning’s fan setting is an additional way you can conserve money.

Your air conditioner relies on a fan to deliver the cold air it produces. You manage this fan at your thermostat by setting it to “auto,” which means the fan will only run when the air conditioner is running. Or you can set it to “on,” which signifies it will be on all the time.

Does putting your AC on “fan” save energy in Saint Petersburg? This isn’t always the case. Generally, using your air conditioner’s fan all day is going to make your energy bill slightly higher.

But it also gives a few pluses (and disadvantages) in regard to your home’s comfort. Here’s why.

Air Conditioner Fan Set to “On”

Having your air conditioner’s fan go continuously can better balance your family’s comfort. This is ideal if you live in a two-story home, since spaces upstairs can be hotter. It’s also good if you have difficulties with unbalanced cooling due to hot and cold spaces.

It’s also great if one of your loved ones has allergies, asthma or other respiratory problems. That’s because the air is constantly being circulated and purified. However, you may have to switch your air filters more often.

Having the fan on all the time can also increase your energy bills. It could also make the fan wear out more quickly and need air conditioning repair.

Your home may also seem more moist. Air conditioning helps control humidity by extracting water from the air. But if the fan is always running, it’s more difficult for moisture to drip from the condenser outside.

Air Conditioner Fan Set to “Auto”

This is the highest energy-efficient setting, as the fan will only operate when your air conditioner does. It’s great if your home always appears comfortable, regardless of which area you’re in.

There are a few downsides to using the auto setting. You might experience hot and cold locations in your home and reduced air quality. This is because air isn’t always being distributed or being continuously filtered.

On the other hand, you’ll need reduced energy and won’t have to get a new air filter as often. Both are savings that can tally up throughout the year, so you’ll have to think about what’s best for your household.

If you’re running into home comfort problems during warm weather, Hale's Air Conditioning Services Inc can assist you. We offer a substantial range of energy-efficient air conditioners that can keep your residence more pleasant while also helping you save more on electrical bills. Many are also compatible with the latest smart home technology, giving you the ability to monitor and change temperature settings while on the go.

To hear more about how we can make your residence more comfortable, contact us at 727-369-6195 now.