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

July 16, 2020

During the summer, running your air conditioning can be your largest monthly utility charge. So, it’s normal that you’re seeking methods to consume less energy. That could include using an energy-efficient AC setting or even upgrading to an ENERGY STAR®-rated system through air conditioner installation.

Switching your air conditioning’s fan setting is a second way you can conserve money.

Your air conditioner relies on a fan to deliver the cold air it creates. You control this fan at your thermostat by setting it to “auto,” which signifies the fan will only be on when the air conditioner is cooling. Or you can adjust it to “on,” which indicates it will run constantly.

Does putting your AC on “fan” save energy in Alice? Not always. Typically, using your air conditioner’s fan all the time is going to increase your energy bill slightly.

But it also has a few perks (and disadvantages) in relation to your home’s comfort. Here’s why.

Air Conditioner Fan Set to “On”

Having your air conditioner’s fan run continuously can better equalize your home’s comfort. This is ideal if you live in a two-story home, since rooms upstairs can be more hot. It’s also great if you struggle with unbalanced cooling because of hot and cold areas.

It’s also beneficial if one of your loved ones suffers from allergies, asthma or other respiratory problems. That’s because the air is constantly being dispersed and filtrated. On the other hand, you may have to put in new air filters more often.

Having the fan on constantly can also make your energy bills more expensive. It could also result in the fan wearing out more quickly and need air conditioning repair.

Your house may also appear more humid. Air conditioning helps balance humidity by extracting wetness from the air. But if the fan is continuously running, it’s harder for moisture to drain from the condenser outside.

Air Conditioner Fan Set to “Auto”

This is the most energy-efficient setting, since the fan will only run when your air conditioner does. It’s good if your house always feels pleasant, whichever spot you’re in.

There are a few disadvantages to using the auto setting. You may run into hot and cold spots in your residence and decreased air quality. This is due to the fact air isn’t continuously moving or being constantly purified.

That said, you’ll use reduced energy and won’t be required to replace your air filter as often. Both are savings that can build up throughout the year, so you’ll have to consider what’s best for your home.

If you’re experiencing home comfort issues during warm weather, Rescue Heating & Air can support you. We have a wide range of energy-efficient air conditioners that can keep your residence more pleasant while also helping you save more on cooling costs. Many also work with the latest smart home technology, giving you the opportunity to oversee and change home comfort settings while on the go.

To learn more about how we can make your house more pleasant, contact us at 361-265-4371 today.