You may wonder whether an air conditioner vs a ceiling fan is more effective and efficient for lowering your indoor temperature. The best ceiling fans and the best air conditioners each have their strengths and purposes. Additionally, you might want to choose between running your air conditioner on low cool vs high cool.


  • A ceiling fan does not cool the space.
  • An air conditioner chills and filters your air.
  • Ceiling fans are less expensive to install and run than AC units.

Differences Between a Ceiling Fan vs Air Conditioner

Ceiling fans are ideal for a low-cost way to make you feel cooler in a small space. However, the area is limited by the size of the fan, and the temperature does not decrease, which is why you’ll want to learn the differences between box fans and an air conditioner. These factors are where AC units shine with large-scale cooling. For another option for your space, consider using an air conditioner vs an air chiller.

Insider Tip

You may notice you can adjust your thermostat slightly higher in the summer when you run both a ceiling fan and your AC.


Ceiling fans do not cool the air in your house the way it does when you use an air conditioner. Instead, they move the air around, which causes the moisture on and around your body to evaporate quickly. The evaporative cooling process reduces the time the moisture is on your skin, speeding the heat removal process and enhancing your comfort.

On the other hand, an air conditioning unit cools the air circulating throughout your house. The heat removal process occurs using various parts of the air conditioner, including the evaporator, compressor, condenser, and multiple units. As air passes through each element of the unit, the AC removes the heat and moisture from the air before releasing it into your home.


Ceiling fans do not cool the room’s air, so you most likely want to use your AC on hot days.


Many types of fans, like house fans, target a specific room or part of a room within your house. In particular, ceiling fans work in one room and have little effect on nearby spaces, especially if the door is closed. Specific portable or window fans can also pull cooler air from outside into your house if they are set up correctly.

Air conditioners often reduce your inside air temperature by moving air through ducts. They also use coils, and there is a debate about aluminum vs copper coils in A/Cs and their benefits. These ducts lead to vents that open into various rooms. Although AC units often work for your entire home, experts recommend using a combination of AC and fans to cool your whole house if you aren’t getting enough cooling from your air conditioner alone.


Air conditioning units include filters to catch larger particles that may irritate your lungs, including dust, mites, and allergens. These filters provide a level of filtration that ceiling fans do not. However, you still have to perform regular maintenance for clean filters to notice an extended benefit. If a filter becomes too dirty, you won’t see as much filtration or reap the benefits.

Ceiling fans do not offer any type of air filtration system. Your ceiling fan may spread dust mites or allergens throughout the room if not cleaned regularly. These particles tend to collect on the fan blades.


If you run your AC regularly, you probably already know about the associated costs of air conditioning. Air conditioners cost more to install and more to run than ceiling fans. The enhanced cooling associated with these systems throughout your house adds to the need for more power and energy consumption. If you use your system regularly, these energy costs can add up. However, you may be able to lower your operating costs through energy savings each month by using a ceiling fan in conjunction with the AC.

STAT: According to the US Energy Information Agency, Americans use about 17% of all the energy in homes to run air conditioners. (source)

Ceiling fans remain inexpensive when installing and while running as there isn’t much power usage. Because they do not require as much electricity to run, you would see a significant improvement in your power bill each month if you switched to just using a ceiling fan. However, you could not cool your house effectively since these devices don’t reduce the air temperature like a central air conditioner or window unit will.


How do fans cool your home?

Ceiling fans move the air around our bodies, enhancing moisture evaporation on our skin. As a result, we feel cooler, but the fan does not significantly lower the temperature.

Does my ceiling fan help or hurt my air conditioner?

Ceiling fans do not reduce the temperature of the room. However, they can make a slightly higher temperature more tolerable for your body by enhancing natural phenomena that make you feel cooler.

Do ceiling fans help with heating too?

Ceiling fans can move the warm air produced by your heater throughout the room, resulting in better distribution. You may even be able to turn the thermostats down a degree or two to reduce your winter heating bill.

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