Do Air Conditioners Circulate Fresh Air From Outside?

Every air conditioner has indoor and outdoor parts. Many people wrongly assume that these parts transport the air from the outdoors to the indoors and vice versa, but that’s not the case. In short, your air conditioner does not circulate fresh air from outside into your house. Instead, it uses the available indoor air.

The outdoor part of your air conditioner is called the condenser. It gets very hot when the air conditioner is running. The heat from the condenser is transferred to the refrigerant gas. This refrigerant gas is then compressed and sent to the evaporator inside your house.

How Air Conditioning Works

The basic concept of air conditioning is only cooling. The appliance takes in air from the indoor space, cools it, and then releases it back into the room. The outdoor section only works to remove the heat outside. The process is similar to a refrigerator. It uses a chemical refrigerant that passes through a closed loop of coils. These coils remove the heat from the indoor air and transfer it to the outdoors.

Air conditioners come in different shapes and sizes. The most common type is the window air conditioner. It can be installed in a window or through an opening in the wall. Another type is the portable air conditioner, which can be moved from one room to another. Central air conditioners are usually used in large buildings and homes. They require ductwork to distribute the cooled air throughout the building or home.

If you feel that your air quality gets better when your AC is on, the filter catches all the dirt and dust in your indoor air. Some air conditioning units also contain plasma technology to kill bacteria and other contaminants.

How to Circulate Fresh Air

Since air conditioning can’t circulate air from indoors to outdoor and vice versa, you need to make more effort to prevent any air loss. Otherwise, your indoor air will be chock full of contaminants, including viruses, allergens, and even the remnants of cigarette smoke. The more you keep it that way, the worse your indoor air quality will be.

One way to improve your indoor air quality is to invest in an air purifier. Air purifiers help remove contaminants from the air, making it cleaner and healthier to breathe. There are many different air purifiers on the market, so choosing one for your needs is essential.

Check out these tips on how to make sure you get the right amount of fresh air from outside every day:

Opt for an HVAC System

HVAC stands for heating, ventilation, and air conditioning. It is more of a complete package than just an AC unit. The AC ductwork is separate from the ventilation ductwork, for starters. This service is more common with a central AC system because the split system is much simpler. When the HVAC contractor comes to your house to inspect, they will look at all three systems and make sure they are working correctly. Often, they will also recommend upgrades or changes to improve your efficiency.

Make a Ventilation Hole

Air usually moves up when it is hot and moves down when it is cold. Experts recommend making your ventilation holes higher up on your walls. This allows the hot air to move out of your house more quickly and get replaced by fresh outside air, which will flow down.

Another way to improve airflow in your home is to use fans. Ceiling fans and floor fans can help circulate the air and make it feel cooler in the summer and warmer in the winter. Just be sure to point them in the right direction, so they are pushing the air where you want it to go.

Install an Exhaust Fan

Besides manual ventilation, an exhaust fan may also serve the same purpose more effectively. An exhaust fan is usually installed when manual ventilation is too difficult. However, an exhaust fan is always better for large-scale industrial and commercial premises.

An exhaust fan can ventilate a room by removing hot air and replacing it with cooler air from outside. This process is known as convection. Convection is a type of heat transfer that occurs when warm air rises and cooler air sinks. For example, this natural process can ventilate a room by opening a window and placing an exhaust fan near it. The hot air will rise and be drawn into the fan, while the cooler air will sink and enter the room.

Open Windows

Utilize your windows as they should be used. Open them every once in a while to allow your stuffy and stale indoor air to flow outside and be replaced with cleaner, fresher air. Turn on fans to make the process more effective.

Use your windows to air out your home every once in a while. This will help get rid of stuffy, stale indoor air and replace it with fresher, cleaner air from outside. You can make the process more effective by turning on fans to help circulate the air.

You might have heard that air conditioning efficiency will decrease if the room is not well insulated. As a result, you might think that air ventilation is insufficient for your air conditioner’s performance. But it turns out that allowing a little bit of fresh air circulation might benefit your air conditioner. Some hot air goes out, while colder fresh air comes in. That reduces the burden of your air conditioner.

Another thing to remember is that if your home is not well insulated, the cooled air might escape through cracks and openings. That would also reduce the efficiency of your air conditioner. So, it’s essential to make sure that your home is well insulated to maximize your air conditioner’s performance.



ECM Air Conditioning, with its headquarters located in Boynton Beach, FL, provides air conditioning services within Palm Beach County, Broward County, Martin County, and St. Lucie County. If you’re looking to have a new HVAC system installed, we’re on-call and ready to assist you. So if you’re in need of an HVAC installation, don’t hesitate to contact us today to schedule an inspection! Our HVAC installation experts will check your ductwork, measure, check wire sizes, and more before making recommendations to ensure maximum efficiency and comfort. Call us at 561-295-1763 or contact our HVAC installation team online by clicking here.


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