What is the Difference Between Air Conditioners, Air Purifiers and Dehumidifiers

With an increasing number of appliances available in the market for improving the quality of indoor air, a customer is sure to get confused with what they want for their homes or offices. Do I need an air conditioner? Will a dehumidifier be enough to cool the inside air? Why should I buy an air purifier? The point is that all these products aim at bringing about positive changes in the indoor air but they differ in the way they do it and they don’t always serve the purpose of the other. So, here’s a brief look at air conditioners, air dehumidifiers, and air purifiers that can help you decide which is the one you want for your home or office.

What are air conditioners?

Air conditioners will work at cooling the room as well as dehumidifying it. In an air conditioner, air passes over the evaporator or the cooling coils and enters the room directly. Once the refrigerant gets heated, it goes through a tube into the condenser or the heating coil. Outside air passes over it and stays outside and the water condensing on the evaporator will run through a duct to the outside of the window. Central air conditioning units are connected to a drain to handle the accumulated water whereas single window units use the condensed water to increase the cooling of the heating coils which evaporate the water into the outdoor air. If you are looking for an appliance that dehumidifies the air as well as cools it, buy an air conditioner.

What are air dehumidifiers?

A dehumidifier is quite similar to an air conditioner. The difference is that the air in a dehumidifier will pass over the cooling coils and then instead of going into the room, it will pass over a set of heating coils. Then only does the air go back into the room. The air that enters the room is dryer just like in an air conditioner. However, unlike the air conditioner, the dehumidifier increases the temperature inside the room. Also, the water that condenses in an air dehumidifier is caught in the drain pan or hose instead of running through a duct to the outside of the window. If you are looking for an appliance that reduces the humidity inside the room but does not cool it, buy the best built in pump dehumidifiers.

What are air purifiers?

Both air conditioners and air dehumidifiers improve the indoor air quality by reducing the humidity levels. High humidity increases the growth of dust mites and molds and mildew which are major reasons for reducing air quality. However, an air purifier is specifically aimed at removing the contaminants from the air and is more effective for this purpose than air conditioners or air dehumidifiers. They are particularly useful for allergy sufferers and asthmatics since they remove dust, pollen, pet dander, mold spores, dust mites, and second-hand tobacco smoke. They have also been found effective in capturing airborne bacteria and virus. If your main aim is to get rid of all these allergens from your home because you or someone in your family is an allergy sufferer or an asthmatic, buy the best air purifier for mold.

Now that you know how air conditioners, air dehumidifiers, and air purifiers are different, you can choose the right device, depending on your home or office needs.

2 thoughts on “What is the Difference Between Air Conditioners, Air Purifiers and Dehumidifiers

  • Well. I must say this is an ultimate comparison among air conditioner, air purifier and dehumidifier. It helps a lot. Thank you

  • The insights are great. Then I could point out the differences between air purifiers and dehumidifiers after reading this article. Perfect contribution dude

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