how often should you keep air purifier on
Kristina Davis

How often should you keep air purifier on? To answer this question, it’s worth noting that the air quality indicator on your air purifier can be a great guide.

If you don’t have one, you might wonder how often or how long to leave it on each day.

You should leave your air purifier on 24/7. Some newer models of air purifiers have advanced features that let the unit turn on and off based on the quality grade of indoor air.

Overall, leaving an air purifier running all day provides cleaner air inside your home.

Overheating Purifiers

an overheating purifiers

Many air purifiers have a safety feature that prevents them from overheating.

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Even if the device does not, it should be carefully engineered to remain cool for over-time operation.

Air gets dirty quickly. Turning your air purifier on and off won’t clean your air effectively.

Your air purifier will do the best job when it’s running regularly.

If you decide to use a whole-house air purifier that has been specially designed to operate at peak efficiency 24/7, leave it running while you are away from home and return to breathable, fresh, clean air.

Note: If you're using a portable unit, run it in the room where you spend most of your time

What the Experts Have to Say

The American Lung Association says that more than 186 million Americans live in places with poor air quality.

It’s no surprise that purifiers are popular. 4 out of 10 homes have them.

Most homes need 30 minutes to 2 hours for the appliance to clean the air, and there may still be some pollutants that enter your home during this time.

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According to consumer-trend polls, most people compliment their air purifiers for keeping the air clean.

But most wonder whether they should leave the appliance on all round the clock. 

You can bet it’s a good idea.

Why Your Air Purifier Should Always be On

why should be always on

The question of how often you run an air purifier should never be a confusing one for your household members. Here’s why:

They are Designed to Run Non-Stop

Most purifiers are meant to run continuously for many years by design.

High-end brands make air purifiers that use energy-saving motors which give off “ultra” quiet sounds and have been proven to function well over time.

The best brands undergo an extensive trial period before public use.

The best home air purifiers will have a great brand name when you run them all day long, every day.

Reputable brands manufacture products with reputable build quality, longer-lasting filters, and strong motors and offer warranties to customers.

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This allows the company to sell the heater at a top-quality level.

Tip: Avoid cheap counterfeit home purifiers of unknown origin, which will cause safety issues alongside poor performance.

A Clean, Purified, and Homely Environment

clean environment

You can have a clean and fresh home 24 hours a day, 7 days a week, just by running your air purifier.

As the air purifier works to clean, the air contaminants are constantly being filtered out. Pollutants include dust, mold, dander, and more.

While it is true that shutting off an air purifier could save some energy, there are very few instances when you would want to do this.

This is because there are so many ways particles find their way into your home.

This is through windows and doors, packages, and even through open vents, as houses are never sealed completely from the outside world.

Note: Running your purifier all of the time will keep you from having to worry about things like sick days or doctor's visits caused by poor indoor air quality.

Low Energy Consumption

The idea behind not running your air purifier around the clock is to save on energy bills, but the truth is that it’s not the best idea.

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When you leave your air purifier on for 24 hours a day, it typically uses around 50-100 watts per hour, costing around $6 – $10 per month.

That’s only $72 – $100 a year. It’s not going to put too much of a dent in your electricity bill, so there isn’t any need to turn it off and on again.

Many people stop using their purifiers to prevent new pollutants from entering their homes when they open windows or doors. 

This can be an issue after the initial purifying cycle has been completed.

New Contaminants

the new contaminants

New contaminants introduced into your home can quickly lower air quality and require another deodorizing and sanitizing cycle that can take up to 30 minutes or several hours to complete.

Many people suggest stopping the purifier at intervals, but this isn’t necessary either because you can use your air purifier as a stand for fresh plants.

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Plants are nature’s filtering system – they help reduce pollution, carbon dioxide levels, and more – making them perfect for taking care of those pesky pollutants.

Purification is a Continuous Filtration process.

Air purifiers can help keep your home’s air clean, pure and healthy. But with so many different models available, it can be hard to know which one is right for you.

If you’re looking for a healthy and easy way to breathe clean air, it’s highly recommended to have an air purifier running throughout the day.

It's the only way to prevent particles from entering your home through dust and other sources (think doors and windows).

From my personal experience, running my air purifier 24/7 has been great for my family because we always feel like our space is being taken care of—that it’s constantly clean and fresh.

Using Plants to Supplement Air Purification

plants to supplement

Plants do all the hard work of removing toxins, dust, and debris from your home by producing natural Oxygen.

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But to further remove clean particles from your home’s air, you should leave your air purifier on 24 hours a day.

This will ensure that all bacteria, viruses, dust mites, and odors are removed from the air.

Type of Air Filter

You’ll need to decide whether you want a single-unit filter or a system with multiple filters.

A single filter will usually have an activated carbon filter, pre-filter, and HEPA filter.

A multi-filter system may have an additional microfilter, antimicrobial against bacteria or virus, or an add-on filter made with your customized needs in mind.

Note: If you're worried about paying for your air purifier's electricity bill, you don't have to be. Set it to run at its lowest setting and let it do the job for you.

Most Purifiers have Auto Mode

auto mode

It would be best if you never worried about how often should you keep the air purifier on because it does that by itself.

It automatically adjusts itself depending on air pollution, uses its sensors for detecting high levels of pollutants in the air, and increases fan speed or eliminates them.

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If air pollution is marginal, the fan runs at a low setting. You have to set it once and let it do its job.

Airgle AG900 Is a Good Example

One of the best ultra-modern air purifiers is Airgle AG900.

It’s ideal for round-the-clock air purification — it helps conserve used energy and effectively keeps noise levels down.

So leave your Airgle AG900 on round the clock without consuming a lot of energy or running your utility bills high.

That means more money saved and more comfort for your loved ones from a silent machine.

Fact: How fast an air purifier can clean the air is measured in air changes per hour. If an air purifier has four air changes per hour, it can clean indoor air twice as fast as a similar model running at 2.

Clean Air Delivery Rate

clean air rate

The Association of Home Appliance Manufacturers (AHAM) has a rating system to measure how well an air purifier filters the air in a room.

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AHAM measures how much clean air is delivered per hour, expressed in CFM. The higher the CFM rating, the faster an air purifier can deliver clean air.

Air purifiers are rated and certified based on how well they clean the air in a room.

The Clean Air Delivery Rate (CADR) measures how many cubic feet of air an air purifier can filter per hour while eliminating at least 80% of dust, pollen, and smoke particles.

Final Thoughts on How Often Should You Keep Air Purifier On.

When it comes to living well, the air you breathe is important so, knowing how often should you keep air purifier on is important.

It would help if you felt relaxed and at ease. A relaxing experience is free from common indoor irritants like dust, pollen, and pet dander.

Knowing how often should you keep the air purifier on helps you and your family have a clean environment.

Therefore, always keep your air purifier running ALL THE TIME.