Plug In Air Purifier: The Best Way To Keep Your Home Environment Fresh

You may have considered investing in a plug-in air purifier. There are many types of air purifiers on the market, so choosing the best one is daunting.

Plug-In Air Purifier

Plug-in air purifiers help eliminate pungent smells and pet odors while protecting your home from indoor air pollution. The plug-in purifiers also filter unwanted air pollutants, providing you and your family with cleaner air.

If you don’t want to spend an afternoon installing an air purifier, then as the name suggests, a plug-in air purifier plugs directly into a wall socket and you’re done. Even in small rooms, you won’t need to worry about moving your furniture to make space for a plug-in air purifier. The purifiers have a compact design, so you can get a small plug-in air purifier for your car or smaller areas at work.

Compared to larger versions, standard air purifiers require more space. So, if you have a lot of furniture, plug-in air purifiers, with their minimalist design, would suit your needs the best. And if you travel a lot, due to their portable design and compact size, you can use them in your hotel room.

Top 5 Plug-In Air Purifiers

Germ Guardian True HEPA Filter Air Purifier with UV C Light Sanitizer

Germ Guardian

The Germ Guardian 4-in-1 Air Purifier for Home AC4825E might the best plug-in air purifiier for fighting against airborne pollutants. It can eliminate 99.97 percent of harmful viruses, germs, dust, pet odors, and more.

This four-in-one air purifier traps large particles with its top-quality HEPA filter. Rely on the UV C light bulb and titanium dioxide to destroy airborne germs. The activated charcoal filter works as an air freshener to help reduce pet smells and cigarette smoke. It’s ideal for small spaces like laundry rooms and is equipped with an auto mode so it will turn off automatically when you don’t need it.

Equipped with a UV C light, the purifier helps protect against airborne viruses like influenza, staph, rhinovirus, and works with titanium dioxide to reduce harmful compounds. This silent, clean air guardian has three speed settings and removes impurities from spaces up to 167 sq ft. It also gives off a flowery scent for rooms with strong, unwanted odors.


  • convenient combination of purifying methods
  • silent functioning
  • sleek design
  • efficient in sanitizing air
  • source of white noise
  • 3 year warranty


  • additional costs for replacing filters, UVC light bulb
  • remote control not included
  • Not designed for larger spaces

Hamilton Beach TrueAir Air Purifier

Winix 5500 2

The Hamilton Beach TrueAir Air Purifier merges high-performance with low-maintenance air care and can plug into any wall socket. Using a permanent HEPA-grade filter and UV C light, this device works great as an allergen reducer and helps reduce cooking fumes.

With this Hamilton Beach model, the best part is you won’t have to worry about a filter replacement. The top-performance filter is easy to clean with a vacuum. The device is ideal for small sized rooms, and you can use it horizontally or vertically. 


  • HEPA filters
  • ultra-quiet functioning (whisper clean mode)
  • efficient air cleaning on large 160 square foot rooms
  • versatile use
  • easy to clean


  • not washable filter
  • high energy consumption
  • remote control not included
  • Not designed for larger spaces

Coway 400 Air Purifier with HEPA filter

Coway Airmega

The Coway 400 Air Purifier with HEPA filter ensures real-time air quality monitoring. With its powerful dual suction and UV C light, the device allows air absorption from two sides.

The faster, more efficient air cleaning. It features 3 smart modes, adapting to your filtering needs. Designed to remove airborne pollutants in large spaces


  • automatic light sensor switches to sleep mode
  • 2-in-1 filters (HEPA filters + activated charcoal)
  • energy Star compliant
  • filter change indicator
  • five year warranty
  • good for large spaces
  • sleep mode


  • not Wifi compatible
  • remote control not included
  • filter replacement needed – extra costs

Winix 5300-2 True HEPA Air Purifier with PlasmaWave Technology

 Winix 5300-2

With the Winix 5300-2 True HEPA Air Purifier with PlasmaWave Technology, cleaning the air in your home won’t break your budget. This improved version of the Winix 5300 is a great investment, given its performance.

The merge between PlasmaWave technology and True HEPA filter works great against allergens. With its UV C light, fights against harmful particles, pet smells, pollen, mold, virus, and bacteria.

The AHAM (Association of Home Appliances Manufacturers) highly recommends this unit. Using a 3-stage air cleaning system, this model features an odor-reducing carbon filter and a 99.97 percent true HEPA filter.

Ideal for large living areas, kitchens, or bedrooms, up to 360 sq ft.


  • solid built
  • 3-stage air cleaning system
  • high performance with PlasmaWave technology
  • Inexpensive
  • LED indicator for filter replacement
  • Energy Star compliant
  • Smart Mode (automatic adjustment to the environment)
  • sleep mode


  • high filter replacement cost
  • remote control not included
  • low efficiency for the odor absorbing carbon filter (compared to an AOC carbon).

PlasmaWave 5500-2 True HEPA Air Purifier

PlasmaWave 5500-2 True HEPA Air Purifier

The PlasmaWave 5500-2 True HEPA Air Purifier is a top choice for powerful air filtration. A combination of True HEPA filter and the PlasmaWave Technology, plus UV C light technology means, it can eliminate 99.97 percent of air contaminants, unlike traditional air purifiers, which will help you breathe better.

The high-grade granular activated-carbon pre-filter reduces odors, and protects against VOCs. As a bonus, the device features a 3-color LED Smart Sensor which displays the air quality status in your room.


  • efficient 4 stage air purification
  • energy star compliant
  • filter change indicator
  • remote control
  • two year warranty
  • washable pre-filter
  • sleep mode


  • not Wifi compatible
  • filter can develop bad smell
  • prone to malfunction due to electromagnetic interference
  • sensitive to sunlight
  • one-year filter lifespan – extra costs for replacements

Plug-In Air Purifier Benefits

Here are the main benefits of a plug in air purifier:

Energy Savers

Compared to traditional models, plug in air purifiers are more energy efficient. Some tiny models need only three to eight watts to work. This means that your air cleaner won’t cause your electricity bills to go through the roof. 

Saving Space

It’s always a good thing when you save space. Whether you like minimalist interior design, you will be impressed with how a plug in air purifier does not require significant space. It won’t matter if it’s your counter, floor, or table as the device connects to a standard power outlet and will never get in the way. Often, you won’t even know it’s there.

Strong Performance

There’s a saying, “Strong essences are kept in small bottles.” This applies to plug-in air purifiers. Despite their small size, they are capable of removing toxins from indoor air. For small rooms, the devices eliminate a variety of air pollutants. However, they’re not as effective for large areas. 

Perfect for Travelers 

Investing in a plug in air purifier is worth it if you are a travel-lover. If the air quality in your hotel room is a concern, these purifiers will keep your mind at ease. Compact and portable, you can carry the devices in your bag or purse and put them to work anywhere.

Drawbacks of Plug In Air Purifiers

The absence of mechanical filters makes plug in purifiers less effective against airborne particles. Dust, pollen, smoke, pet dander will remain in the air as only HEPA or carbon filters can trap them.

Also, plug in devices are not suitable for large spaces. One more drawback is the production of ozone associated. Although the producers declare these purifiers are safe, some health experts disagree. Ozone exposure can favor the appearance of asthma symptoms.

A Beginner’s Guide to Plug In Air Purifiers

Before you buy a plug in air purifier, review the following guidelines. 

  • Filtration Method – HEPA filters can trap 99.97 percent of airborne pollutants. Dust mites, pollen, mold, mildew, pet dander, virus, or bacteria, invisible to the human eye. An activated carbon filter or granular carbon filter proves efficient in removing negative ions. The UV C light sanitizes air by destroying any bacteria at a molecular level. 
  • Filter Service Indicator Light – useful if you tend to forget about changing the filter.
  • Washable Pre-filters – can extend the life of the primary filter, thus saving you money.
  • Cost of replacement filters – replace your activated carbon filters every 3 months.
  • Air-Quality Sensors – pollution detection in the air and adjust the cleaning speed.
  • Carrying Handles and Wheels – you won’t strain your back or hands when moving the air purifier.
  • Remote Control – provides added convenience when adjusting the settings.
  • Certifications – Energy Star certified purifiers are 40 percent more energy-efficient than standard models.  Different types of pollutants lead to different CADR ratings for each category. 
  • Room size – the unit should handle well your room size, so check on the AHAM seal if it’s a match. Due to their minimalist design, the purifiers aren’t as effective in larger rooms.
  • Low Noise – you should see your air purifier as part of your home. And that means you need to be able to live with it. An air purifier also has a sleep mode, so it will automatically turn off when you’re asleep.

How To Get the Most Of Your Plug-In Air Purifier

Keep it clean

When your filters are clean or replaced regularly, your purifier will perform better against pungent odors and protecting against respiratory diseases. A clogged filter will prevent the device from sucking in too much air and can favor bacteria growth. As an air freshener, the cleaner your filters are, the better your indoor air will be.

Keep it close

Place your air purifier in the room where you spend the most time. Find a place that has no obstructions to the airflow. Also, keep it away from curtains or behind large furniture items.

Keep it running

Leave the device on high while you’re away, for a thorough air cleaning experience. To avoid noise, you can set it on a low for when you are in the same room. Keep the windows closed while the unit is working for better air quality and performance.

Frequently Asked Questions (FAQ)FAQ

Can A Plug In Air Purifier Protect You From The Coronavirus?

The only thing an air purifier can do is reduce pollutants, including airborne viruses like the coronavirus. HEPA air cleaners are considered most effective on the market today, but again, portable air purifiers do not offer complete protection from Covid 19.  

What Are CADR Ratings?

CADR stands for Clean Air Delivery Rate. Every air purifier has a CADR rating. A CADR rating is the volume of air in CFM (cubic feet per minute) that is cleaned of particles. To measure the effectiveness in removing particle sizes, three types of microscopic particles are tested: smoke, pollen, and dust. CADR ratings are important as they show you how strong your air purifier should be according to your space.

Are Plug In Air Purifiers A Fire Risk?

Yes, plug in air purifiers are a fire risk. Air purifiers run on electricity and it’s because of this they can catch fire. As a general rule, anything that plugs into a wall outlet is a fire risk.

How Long Do Plug In Air Purifiers Last?

You’ll need to change air filters every three months. 

Can Plug In Air Purifiers Help With Cigarette Smoke?

Air purifiers help improve indoor air quality, they cannot eliminate cigarette smoke. Tobacco smoke contains gaseous pollutants and particulate matter that are impossible to eliminate. Most air purifiers are not made to remove gaseous pollutants.

Do Ozone Air Purifiers Improve Asthma Symptoms?

Ozone air purifiers do not remove asthma triggers from indoor air spaces. Scientific studies have found that inhaling ozone makes asthma worse. Ozone generators do not filter the particles related to asthma. 

What Does A UV C Light Bulb Do In An Air Purifier?

The UVC light bulbs in purifiers are germicidal bulbs that produce ultraviolet light to disrupt the DNA base pairing process of germs. The bulbs help inactivate unwanted viruses, bacteria, and protozoa that impact air quality.

Plug In Air Purifier Conclusion

I deal with any small space, a plug-in air purifier is a cost-effective way to improve the air quality inside your home. It also protects the health of you and your family. Air cleaning units reduce allergens, pollutants, and pet dander in your home. On average the small machine provides a clean air delivery rate (CADR) of 100. 

A purifier is also an energy efficient air freshener that plugs into any wall outlet. You could add one to your laundry room or when you travel and spend the night in a hotel room. Advanced technology has made air purifiers more effective in protecting home air against mold spores and harmful bacteria.

An air purifier is built with an activated carbon filter system. Purifiers are more effective today and have since become cost-effective ways to reduce airborne germs, household smells, and unpleasant odors. And due to their compact design, they’re unnoticeable and perfect for small spaces. If you have questions, take a look at our guide to help you choose the best design that fits your needs.