5 Reasons Why You Should Run an Air Purifier for 24/7 | Your Elegant Bar

August 18, 2020 6 min read 5 Comments

According to statistics, more than 186 million Americans are living in areas with questionable air quality – a clear indication of why air purifiers are enjoying a surge of popularity.

Air purifiers have become one of the most highly recommended appliances over the years. Based on studies about consumer trends, 46% of homes with two or more adults own air purifiers.

More and more people are talking about the effects of good air filtration to our overall wellbeing. For new and old owners alike, a question still looms on everybody’s minds –should I leave my air purifier on all the time?Yes, absolutely! Here are the reasons why.

1. Air purifiers are designed to work around the clock

Air purifiers are made to operate nonstop. High-end air purifiers are equipped with energy-efficient motors that are not only ultra-quiet but guaranteed to work for many years. The best air purifiers passed rigorous testing before they are sold on the market, making sure that they reach their optimal performance and ready for long term use.

When choosing a home air purifier, consider the brand name if you plan to run it 24/7. Reputable brands make machines with excellent build-quality, long-lasting filters, and robust fan motors. Avoid fake home air purifiers that may not only perform poorly but also cause safety issues.

Are there any times you shouldn’t run your air purifier?

Should you run your air purifier 24/7? Is there any time you shouldn’t run it? Yes, you should run your air purifier 24/7 and you shouldn’t turn it off anytime. In fact it’s recommended to not switch off your air purifier at any time of the day or night, even when you’re sleeping or not at home. Many people think that switching it off during the night or when they’re not present at home is the logical thing to do as it would help save energy. 

However, as soon as you turn off your air purifier, the air would get contaminated again with dust, dander, mold, and other pollutants present in the air. Moreover, particulates are released into the air, every time a door or window is opened or outside packages are opened. Above all, even if the doors and windows are not opened, contaminants find entry as homes are never completely sealed. 

So switching off the purifier would completely undo the purification process and its effects enjoyed until that point. So, unless you’re okay with sacrificing air quality, your air purifier should be on all the time. 

2. Air purifiers offer a continuous filtration process

Leaving on an air purifier day in and day out is the best way to ensure the highest possible air quality level. Air purifiers drive air through their filters to purify it. Therefore, to reap the amazing benefits of breathing clean and fresh air, good air filtration must always be maintained inside the home or office.

Dust is everywhere and contaminants such as smoke, bacteria, viruses, and even pet dander are always present in the air. Running an air purifier continuously removes all these allergens so you do not inhale them accidentally. 

If you switch off the air filtration system, you’re essentially stopping the air purification process. So as air continues to be circulated through the system, whether it is naturally or on account of doors and windows opening and closing, smoke and other new pollutants will find entry into the space, contaminating the air again. Therefore running the air purifier at all times is the best way to ensure your family breathes clean indoor air that is constantly cleaned of new contaminants and other harmful particles that enter your house.

Plus a constant air filtration process also effectively eliminates dust build-up so it does not settle on walls, mirrors, draperies, and furniture.

3. Air purifiers consume less electricity

Rabbit Air MinusA2 Silent HEPA Filter Air PurifierA common practice in many households is to not leave the air purifier on all the time - switching the machine on and off and back on again. Seemingly the idea behind this strategy is to save on energy costs, but it’s actually not required and is in fact counterintuitive to do so.

Air purifiers do not consume a great deal of electricity, as compared to other home appliances. With 24 hours operation, most HEPA air purifiers rated 50 to 100 watts per hour would only set you back around $6 to $10 monthly or $72 to $120 in a year. So, leaving your air purifier on all the time won’t send your utility bills shooting sky high.

More importantly, firing up your air purifier at intervals won’t help your cause as it won’t generate the clean indoor air that you desire. As new pollutants enter your home through the air, they will undo the effects of the previous purifier cycle, lowering the air quality. So, in order to purify the indoor air again, you will have to naturally switch on your purifier and wait at least 30 minutes to a few hours to enjoy pure air that’s free of contaminants.

Modern air purifiers are highly efficient similar to the Rabbit Air MinusA2 which offers an average savings of up to $1,178.05 within 5 years. Energy Star certified air purifiers use less energy and help you save money, so running them all the time will have little impact on your power bill.

How much does it cost to run your air purifier all day?

It’s believed that air purifiers consume a ton of electricity. However, that's far from true. Fortunately, air purifiers do not consume a huge amount of power. 

Most HEPA air purifiers utilize a low amount of energy - around 50-100 watts of energy every hour based on the airflow speed. So, even with a 24-hour operation, the monthly energy bill would amount to around $6-10 each month.

So should you run your air purifier 24/7? And how would it impact your energy bills? The short answer is “Yes, you should run your air purifier 24/7. Contrary to popular perception, it wouldn’t shoot up your energy bills.” For maximum energy and cost savings, it’d be best to opt for an energy-efficient air purifier.

4. Most air purifiers have an Auto mode feature

Airgle AG900 Medical-Grade Air Purifier with PCO TechnologyAuto mode is a clever feature that automatically adjusts the air purifier's fan speed depending on the volume of air pollution. The machine uses its built-in smart sensors to detect the high level of air contaminants and ramps up the fan speed to eliminate them. On the other hand, the fan will run at a low setting if air pollution is marginal. It’s a great feature that allows you to leave your air purifier on all the time, without consuming a lot of energy and running your utility bills high.

Having a home air purifier with an Auto mode function like the Airgle AG900 is very useful when running an air filtration system 24/7. Auto mode not only helps conserve energy but effectively keeps the noise level at a minimum. Low energy consumption means more money you save, while a silent air purifier promotes a relaxing and comfortable environment for you and your family.

5. Most air purifiers are protected against short circuits

As a safety precaution, most air purifiers are integrated with short circuit protection that automatically cuts the power to the machine or turns it off when an electrical malfunction is detected.

If you want to turn on the air purifier all the time, having short circuit protection is extremely valuable, especially at night when everyone is asleep. No more worries about the home air purifier causing a fire hazard. This safety feature definitely offers peace of mind.


So, considering all the above points, should you leave your air purifier on all the time? Yes, by all means! In fact, that’s how you can make the most of your air purifier: by running it 24/7. This energy-efficient appliance is engineered to operate continuously. But if you are still worried about it jacking up your electricity bill, simply turn the air purifier on at its lowest setting or get a plant. Houseplants produce natural oxygen that enables your air purifier to work less hard.

Air purifiers are not a fad after all! With the right kind of filter, they are a workhorse at removing the smoke smell, dust, dust mites, pet hair, mold spores, bacteria, viruses, and even strong odors that linger in the air. Simply leave your air purifier on all the time and watch the machine work its magic all day and all night long. And remember that the cleaner the air you breathe, the healthier you become.

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Jephonie Villegas

Jephonie Villegas

5 Responses

Olivia Smart

Olivia Smart

January 06, 2022

Thank you for explaining that having the air purifier on 24/7 is the best way to ensure that you have clean air in your home at all times. My friend bought an air purifier for her husband for Christmas and has been wondering how often they should have it on to be effective. I’ll be sure to mention this to her so that she can be aware that she’ll have it on all day as soon as he opens it up. https://www.ssapllc.com/

Vivian Black

Vivian Black

January 06, 2022

We purchased an air purifier system a year ago because of the pandemic. We were not aware that you are supposed to leave it on continuously. Thank you for pointing out that leaving an air purifier on all day is the best way to make sure the highest air quality level is reached. We want to purchase the same type of system for our parents this Christmas. We will be sure to contact an HVAC contractor for the Magic Clean brand which is what we purchased. https://magiccleanairfilters.com/magic-clean-air-purifier/

Joven Ruthford

Joven Ruthford

August 31, 2021

Dust is everywhere and contaminants such as smoke, bacteria, viruses, and even pet dander are always present in the air. Running an air purifier continuously removes all these allergens so you do not inhale them accidentally. https://www.greenleafair.com/

Shammy S

Shammy S

July 03, 2021

You got my attention when you said that you can ensure the highest possible air quality level when you leave on an air purifier day in and day out. My husband and I are interested in purchasing an air-purifying system since our daughter’s allergies are getting triggered due to the poor air quality in our house. Since I want to improve the air that circulates around the house to keep my family free from allergies and asthma attacks, I will consider all your tips. https://ilovepureair.com/

Samantha George

Samantha George

June 01, 2021

I love this article! However, I would say that the best reason to get an air purifier is that it stops the airborne transmission of certain bacteria from spreading. That’s the main reason why we set up our restaurant with an HVAC system that has an air purifier. I learned from <ahref=“https://cloverco.com/”>this company that using an air purifier ensures that even viruses like COVID help lessen their transmission. Having an air purification system for a restaurant would really help a lot!

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