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Shark Air Purifier 4 Review: The Best On The Market

Home » Product Reviews » Shark Air Purifier 4 Review: The Best On The Market

If you are like me, you want the air in your home to be clean and fresh 24/7.

But with so many kinds of pollutants and allergens, that is easier said than done!

However, with the right technology, it is achievable.

Now, this is where you need the Shark Air Purifier 4.

This powerful air purifier is devised to leave your home with nothing but pure and refreshing air. 

The Clean Sense IQ system can detect the air quality of your home and adjusts the fan speed accordingly.

Most importantly…

It’s great for combating allergies, asthma, or respiratory issues.

With this device in your home, you can finally keep your symptoms at bay.

In this article, we’ll delve into the key features of this air purifier and how it compares with famous brands.

Specifications

  • Dimensions and Weight: 12.2 x 8.7 x 24.4 inches and 13.23 pounds.
  • Coverage Area: Up to 1000 square feet.
  • Filters: 4-stage filtration system. It includes a pre-filter, a HEPA filter, an activated carbon filter, and a Microban antimicrobial filter.
  • Noise Level: 56 decibels on its lowest setting.
  • Fan Speeds: Four fan speeds.
  • Smart Features: Clean Sense IQ technology and an Advanced Odor Lock feature.
  • Energy Efficiency: Energy Star certified. It uses only 67 watts of power on its highest setting.

Advanced Air Cleaning Technology

The advanced air cleaning technology ensures your home’s air is clean and fresh. Here are some of the features that make this air purifier stand out:

Anti-Allergen Multi-Filter

This Shark unit comes with an anti-allergen multi-filter. This component captures 99.9% of dust, allergens, and other particles as small as 0.3 microns.

This filter comprises three layers: a pre-filter, a HEPA filter, and an activated carbon filter.

The pre-filter catches things like hair and dust, while the HEPA filter catches pollen and pet dander.

The activated carbon filter aids in removing unpleasant smells caused by cooking, pets, and smoke.

Advanced Odor Lock

One thing I like about the air purifier is its advanced odor-lock technology. 

This technology uses activated carbon to trap and absorb odors. It ensures that the air in your home is clean and fresh round the clock. 

Smart Sensing Technology

The Shark HE402 Air Purifier 4 features smart sensing technology that monitors the air quality in your home.

This technology is superb…

It makes your home a “no-fly zone” for contaminants, as no particle enters your room undetected.

Due to its high level of sensitivity, the fan speed changes automatically based on the air quality.

Quiet Operation

The Shark HE402 Air Purifier 4 is designed to operate quietly. This is an amazing option for bedrooms and other areas where a peaceful atmosphere is desired.

The company attributes its quiet operation to its four fans. The micro-fans ensure it functions at a quieter volume than large, single fans. 

This is due to the fact that while running, the fans evenly distribute airflow across the filters.

Besides, the fans ensure you get a fast delivery of more calming, clean air.

Get the Inside Scoop on the Shark HE402 Air Purifier 4

Shark Air Purifier 4
Shark HE402 Air Purifier 4

What I Really Like: 

  • Effective air purification covering an area of up to 1000 square feet.
  • Uses smart sensing technology with a built-in air quality monitor that displays real-time PM particle counts. So it can automatically detect and respond to changes in air quality.
  • Has a digital display that shows the air freshness and room temperature. It also has an added heating element to warm air in cold rooms.
  • Multiple fan speed allows you to customize the airflow to your liking.
  • Easy to use.
  • Enjoy a 2-year warranty.
  • Uses a remote control.
  • Simple filter replacement process that makes it easy to maintain.
  • Has an adjustable timer.

Areas for Improvement: 

  • No child-safety lock.
  • No sleep mode.
  • Pricey replacement filters.

Comparing Shark Air Purifier 4 with Other Brands

Let’s look at how the Shark HE402 Air Purifier 4 compares to other brands on the market.

Shark Air Purifier 4 vs. Coway AP-1512HH Mighty

The Coway AP-1512HH Mighty is another popular air purifier that you would like.

Although it is a bit pricier than the Shark HE402 Air Purifier 4, it covers a larger area of up to 361 square feet.

The device also boasts a superior CADR rating for smoke, pollen, and dust.

However, the Shark HE402 has a higher CADR rating for pet dander. So as a pet owner, you may find this to be a superior option.

Shark Air Purifier 4 vs. Honeywell HPA300

The Honeywell HPA300 is a high-end air purifier that covers a large area of up to 465 square feet.

It also has a very high CADR rating for smoke, pollen, and dust. But it is much more expensive than the Shark HE402.

If you have a spacious room and a higher budget, the Honeywell HPA300 would be your best pick.

But if you want a more affordable option that is still effective, the Shark HE402 Air Purifier 4 is fantastic.

Customer Reviews and Feedback

Here’s a summary of some of the most common feedback we found from customer reviews:

  • Customers report that the Shark HE402 is effective at reducing odors and allergens in their homes. Some even noticed a difference in air quality within hours of turning the purifier on. 
  • Several customers have stated the air purifier is quiet, even in the highest setting. This can be especially important if you plan to use the air purifier in a bedroom or other quiet space.
  • Many say the air purifier is easy to use, with straightforward controls and intuitive settings. Several customers have commented on how easy it is to set up and operate the device.
  • Although not crucial to its performance, the Shark Air Purifier 4’s attractive design is popular among customers. Several users have commented on how well the purifier blends in with their home decor.

Of course, not all customer reviews are positive. Here are a few of the most common criticisms we found:

  • Some users feel that the Shark HE402 is expensive compared to other air purifiers. Yet, many customers think that the purifier’s performance justifies the price.
  • Some customers feel that the cost of replacement filters is too high. At the same time, some find the replacement process to be too complicated.

If The Air purifier Isn’t for You

If you feel the Shark HE402 is not the right fit for you, there are a few other options to consider. Here are some alternative products that you might want to explore:

  1. Shark Air Purifier 6: The Shark Air Purifier 6 is a step up from the Shark Air Purifier 4. It has a larger coverage area of up to 1200 square feet, making it a better option for larger rooms or apartments. It also has a higher CADR rating, which means it is more effective at removing pollutants from the air. But it is more expensive than the Shark HE402.
  2. Rabbit Air Purifier: This air purifier is not only effective, but it also looks great in any room of your home. It uses a whopping 6 stages of air filtration. It operates quietly, so you won’t notice it’s there. One of the key benefits of the Rabbit Air Purifier is its ease of use. The air purifier has simple controls and a user-friendly interface; you won’t find it hard to set up. It also includes helpful features like a filter replacement indicator and a timer function.

Final Thought

You’ve made it to the end of my blog post about the Shark Air Purifier 4.

I hope I’ve provided all the details you need to make the right decision. 

The Shark HE402 Air Purifier 4 is a solid option for air purification.

Its four high-speed micro-fans and clean sense IQ technology give it an edge over other brands.

One of the standout features of the Shark HE402 is its advanced odor-lock technology.

This innovation can help prevent the building of unpleasant household odors like cooking.

Additionally…

The purifier has a digital readout that shows the air freshness and room temperature. So you’ll find it super easy to monitor the air quality in your home.

The Shark Air Purifier 6 may be a better alternative for a larger room or apartment.

It can cover an area of up to 1200 square feet compared to the Shark Air Purifier 4, which covers 1000 square feet.

Nevertheless, if you are okay with 1000 sq. ft coverage, the Shark HE402 Air Purifier 4 is an awesome choice.

Frequently Asked Questions

How does the Shark Air Purifier 4 work?

The Shark Air Purifier 4 uses a three-stage filtration system to remove pollutants and allergens from the air.

It has a pre-filter that targets large particles like hair and dust. In contrast, the HEPA filter captures things like pollen and pet dander.

The activated carbon filter handles odors and volatile organic compounds in the air.

The unit also has a built-in air quality sensor that detects the level of pollutants in the air and changes the fan speed accordingly.

Does the Shark Air Purifier help with mold?

The Shark HE402 Air Purifier 4 can help reduce mold growth and improve indoor air quality. Its HEPA filter captures 99.97% of particles as small as 0.3 microns, and this includes mold spores.

Is Shark Air Purifier 4 quiet?

The Shark HE402 Air Purifier 4 operates quietly. The noise level of the air purifier depends on the fan speed setting. The fans produce less noise than higher fan speeds.

But the air purifier produces a noise level of around 32 decibels on the lowest setting.

Does a Shark Air Purifier 4 need filters?

Yes, the Shark Air Purifier 4 requires replacement filters to maintain effectiveness.

How long does Shark Air Purifier 4 filter last?

On average, you should replace the filter every six to twelve months.

But if the air quality in your home is poor, you may need to replace the filters more frequently.