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

July 16, 2020

During the high temperatures, using your air conditioning can be your biggest monthly electricity cost. So, it’s given that you’re looking for approaches to consume less energy. That might include finding an energy-efficient AC setting or even stepping up to an ENERGY STAR®-rated model during air conditioner installation.

Modifying your air conditioning’s fan setting is a second way you can save money.

Your air conditioner uses a fan to distribute the cold air it makes. You manage this fan at your thermostat by setting it to “auto,” which signifies the fan will only run when the air conditioner is cooling. Or you can adjust it to “on,” which means it will operate all the time.

Does putting your AC on “fan” save energy in Monroe? Not necessarily. Generally, operating your air conditioner’s fan constantly is going to increase your energy bill slightly.

But it also gives a few advantages (and disadvantages) when it comes to your family’s comfort. Here’s why.

Air Conditioner Fan Set to “On”

Having your air conditioner’s fan run all the time can better balance your house’s comfort. This is ideal if you have a two-story home, since areas upstairs can be warmer. It’s also great if you struggle with inconsistent cooling due to hot and cold areas.

It’s also great if one of your loved ones suffers from allergies, asthma or other respiratory issues. That’s since the air is constantly being distributed and filtrated. On the flip side, you may have to put in new air filters more often.

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

Your home may also appear more humid. Air conditioning helps control humidity by extracting moisture from the air. But if the fan is continually on, it’s challenging for moisture to drain from the condenser outside.

Air Conditioner Fan Set to “Auto”

This is the highest energy-efficient setting, as the fan will only go when your air conditioner does. It’s ideal if your house always seems comfortable, regardless of which room you’re in.

There are a few downsides to using the auto setting. You might have hot and cold spots in your residence and lower air quality. This is because air isn’t constantly moving or being continuously filtered.

On the other hand, you’ll use a lower amount of energy and won’t have to change your air filter as frequently. Both are savings that can build up during the year, so you’ll have to think about what’s right for your needs.

If you’re running into home comfort problems during hot weather, Lanz Furnace and Fireplace can assist you. We sell a substantial range of energy-efficient air conditioners that can keep your house comfortable while also helping you save more on electricity expenses. Many can be partnered with the latest smart home technology, giving you the ability to monitor and regulate temp settings while away.

To find out more about how we can make your residence more pleasant, contact us at 608-291-3606 now.