Why Can’t Air Purifiers Be Close To Electronics?

Air purifiers are relatively simple devices, but there are some hidden rules that you must follow to get the most out of them. One of the things most people don’t know is that you shouldn’t use air purifiers close to other electronics.

So, why can’t air purifiers be close to electronics?

The main reason is that the RFI, or radio frequency interference of air purifiers sometimes gets affected if a device of similar RFI frequency is placed nearby.

We’ll get deep into this matter and also discuss how you should place the air purifier correctly. So, let’s get started!

Why Can’t Air Purifiers Be Close to Electronics?

Electronic devices produce some sort of wavelength. If two or more devices that produce the same wavelength are placed nearby, some sort of interference is experienced by each of the devices.

In terms of interference, devices can be of two types mainly. There are Line interference or line-noise producing devices, and RFI or radio frequency interference devices.

Line noise devices can be placed side by side as they don’t interfere with each other’s frequency. The problem is with RFI devices as these tend to create interference.

Most air purifiers are RFI type, so they can’t be used near other electronic devices.

How Does RFI Work?

So, why does RFI create interference? It’s because RFI devices emit radio wavelength.

If a device of the same type is nearby, the wavelength may reach that device and interfere with that device’s wavelength, and vice versa.

This way, both devices will hamper each other. However, the devices have to be of the same wavelength for this to happen.

How to Place Air Purifiers Properly?

Now that you know why air purifiers can’t be close to electronics, let’s take a look at some tips that’ll help you make a better placement.

  • TVs collect a lot of RFI, so don’t place the air purifier near your TV or the cord of your TV
  • The air purifier shouldn’t be placed near the microwave as these are known to collect the most RFI right after TVs. Moreover, air purifiers shouldn’t be placed in the kitchen as moisture is bad for the device.
  • Put the air purifier in a place that offers a ton of airflow, preferably in the middle of the room as the airflow is restricted at the corners and near the wall.
  • If you have stereo equipment, don’t place the air purifier near it. Not only will the purifier lose efficiency, but the stereo will make a ton of noise as well.
  • While computers don’t pick RFI frequency, it’s safe to keep air purifiers away from them to prevent any damage due to interference.


After learning why can’t air purifiers be close to electronics, you’ll be able to place them properly. Maintaining the tips mentioned above will not only limit interference damage, but it’ll also boost the efficiency of your air purifier.

Last Updated on May 19, 2023

Richard Hicks

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