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

July 16, 2020

During the hot weather, using your air conditioning can be your largest monthly utility expense. So, it’s normal that you’re checking for approaches to consume less energy. That might include using an energy-efficient AC setting or even making the switch to an ENERGY STAR®-rated system during air conditioner installation.

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

Your air conditioner works with a fan to dispatch the cold air it creates. You control this fan at your thermostat by switching it to “auto,” which indicates the fan will only be on when the air conditioner is operating. Or you can set it to “on,” which indicates it will run constantly.

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

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

Air Conditioner Fan Set to “On”

Having your air conditioner’s fan go all day can better balance your house’s comfort. This is good if you have a two-story residence, since spaces upstairs can be hotter. It’s also ideal if you have difficulties with unbalanced cooling on account of hot and cold areas.

It’s also advantageous if one of your loved ones deals with allergies, asthma or other respiratory symptoms. That’s due to the fact the air is continuously being circulated and purified. However, you may have to change your air filters more frequently.

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

Your residence may also feel more humid. Air conditioning helps control humidity by removing moisture from the air. But if the fan is continually 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, as the fan will only operate when your air conditioner does. It’s good if your residence always feels comfortable, whichever area you’re in.

There are a few disadvantages to using the auto setting. You might run into hot and cold locations in your house and lower air quality. This is because air isn’t constantly moving or being repeatedly filtrated.

That said, you’ll need less energy and won’t need to switch you air filter as often. Both are savings that can build up over the year, so you’ll have to think over what’s best for your household.

If you’re running into home comfort problems during warm weather, Honke Heating & AC can support you. We install a substantial range of energy-efficient air conditioners that can keep your home comfortable while also helping you save more on electricity expenses. Many are also compatible with the latest smart home technology, allowing you to monitor and adjust temp settings while away.

To hear more about how we can make your house more pleasant, contact us at 503-663-8033 right away.