Air purifiers work efficiently to clean the low-quality air around us. They help remove dust, pollen, pet dander, pet hair, odors, and even bacterias and viruses. The benefits offered by air purifiers have led to a significant increase in its sales. If you have bought an air purifier after discovering its significance, you probably have the same question as everyone else. Should I keep the air purifier running all the time?

Air purifiers are built to be used all day long. Being concerned with overheating or burning air purifiers is genuine, but it is important to remember, like any other electrical appliance, e.g., fridge; air purifiers can be used without causing any problem.

Should I keep the air purifier running all the time?

Air purifiers clean the air by removing the air’s pollutants and circulating the clean air back in the room. This function is carried out continuously to keep the air healthy and clean. Turning off the air purifier after only a few hours of cleaning affects the quality of air. If the air surrounding you is of low quality, then the contaminants already present and the new pollutants can make the air purifier useless. When turned on again, the air purifier will take longer to clean the air and consume more electricity.

It is essential to keep the air purifier running all the time if someone in your house has allergies. A little bit of dust or pet dander can trigger allergies. Hence, it is recommended to keep the air purifier running all the time.

Should The Air Purifier Be Running All The Time?

Air purifiers work by capturing the pollutants that are present in the air. Turning off the air purifier allows the pollutants to build up in the air, causing more harm and can be hard to get rid of. If you are still concerned with the question, how long to run an air purifier? The answer is that it entirely depends on the hours you spend indoors.

As in current times, where everyone stays indoors, it is essential to keep the air purifier all the time. However, if you are not staying indoor for a few days or a few weeks, it is okay to turn off the air purifier and turn it back on once you return.

Does Running An Air Purifier All The Time Consumes A Lot Of Electricity?

How long to run an air purifier? Air purifiers are built to perform 24/7. Most of the air purifiers nowadays are manufactured with a smart sensor that adjusts the fan setting according to the indoor air quality. This function also lowers electricity usage, whereas frequent turning on and off consumes more electricity. In conclusion, running an air purifier all the time consumes less electricity than running it on certain occasions.

Can I Turn Off My Air Purifier While Sleeping?

The simple answer is no. You turn off the air purifier while sleeping allows the allergens and toxins in the air to build up overnight. If you have allergies, then exposure to dust and pollen overnight can trigger allergic reactions and disrupt your sleep. A secret to having a good night’s sleep is your peaceful surroundings. When the air around you is healthy and safe, the sleep time will be better and more relaxed.

Should I Open The Windows With My Air Purifier On?

Keeping the windows open when the air purifier is turned on depends on the air quality around your house. If the area you live in is heavily polluted, your health should keep the exposure to the outside air as minimum as possible. The dirty air outside can contaminate the indoor air by increasing ozone levels and other harmful toxins. Air purifiers continuously purify the indoor air. Opening the windows while an air purifier is functioning can make all the air purifiers’ efforts go to waste.

Best Air Purifier For 2021 (Editor’s Choice)

GermGuardian Air Purifier 4 in 1,High CADR True HEPA Filter, Large Rooms to338 sq ft, UV Light Sanitizer Eliminates Germs

GermGuardian Air Purifier

GermGuardian AC5900WCA 4-in-1 air purifier for people who are the victim of allergies. This 21” tall air cleaner cleans room up to the size of 338 sq.ft, which is the size of most large rooms.

This air purifier has four stages of filtration. The right HEPA filter captures up to 99.97% of dust and allergens, which are as small as 0.3 microns. The pre-filter removes large airborne pollutants from the surrounding air. The activated charcoal filter removes strong odors such as smoke, pet odors, and cooking odors. Lastly, the optional UV-C light kills the germs and bacterias, which can trigger allergies.

This powerful air purifier has three fan speeds that can be adjusted as per the needs. The lowest fan speed operates quietly and does not disrupt your sleep at night time. It has a filter change indicator that notifies you when it’s time to change the filter. Its other features on the control panel make this air purifier easy to operate.

The reason that this product is our top pick is that it is easy to operate. It is best suitable for you if someone in your house suffers from allergies. It is efficient and keeps the indoor air with the help of its efficient filters. Finally, to answer the most asked question, “can you leave the air purifier on all the time?” Yes, you can. This air purifier is built to perform for long hours efficiently and provide safe and clean air.


  • 4 Stage Filtration.
  • 3 Fan Speed Settings.
  • Quiet Functioning.
  • Perfect for Large Rooms.


Air purifiers, like any other house appliance, can work all day long. The primary purpose of an air purifier is to keep the air clean. If the air around you is polluted, turning off the air purifier is not the right decision. In conclusion, in such circumstances, you must buy yourself an air purifier that runs all day long without needing much maintenance. See above to read about our best pick for you.

More Articles About Air Purifiers

Should I Leave My Air Purifier on All the Time and Why?
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Should I Leave My Air Purifier on All the Time and Why?
Bought an air purifier but need the answer to the most asked question: how long to run an air purifier? Read here to find all the needed answers to run an air purifier.
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Home Ionizer
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