Shark Air Purifier 6 Vs 4 (Detailed Comparison)

  • Author: Irene Mills
  • Date: September 29, 2022
  • Time to read: 6 min.
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Shark is a brand that is known for making high-quality air purifiers.

They have many different models on the market, and it can be difficult to decide which one is the best for you.

In this blog post, we will compare the Shark Air Purifier 6 Verse the Shark Air Purifier 4. We will look at their features and discuss which one might be better for your needs.

Let’s get started.

Shark Air Purifier 6 vs 4 Comparison Table

Product/FeatureShark Air Purifier 4Shark Air Purifier 6
CADR133160
Coverage1000 sq. ft.1200 sq. ft.
Noise Level56dB63dB
Air Quality SensorYesYes
Weight17.9 lbs.20 lbs.
Wattage67 Watts80 Watts
Size17″ x 8.9″ x 24.29″17″ x 8.9″ x 32″
PriceCheck PricingCheck Pricing

Shark Air Purifier 6 vs 4: Differences

Shark Air Purifier 6 vs 4

Here are the major differences between the Shark Air Purifier 6 and 4 models:

1. Coverage Area:

The Shark Air Purifier 6 can cover an area of up to 1200 square feet while the Shark Air Purifier 4 only covers 1000 square feet. So if you have a larger room or apartment, the Shark Air Purifier 6 would be the better option.

2. CADR Rating:

The Shark Air Purifier has a CADR rating of 160 while the Shark Air Purifier only has a CADR rating of 133. So the former is better at filtering out airborne pollutants.

3. Noise Level:

The Shark Air Purifier 6 has a maximum noise level of 63 dB while the Shark Air Purifier 4 only has a maximum noise level of 56 dB. So the latter is better if you’re looking for an air purifier that’s quiet.

4. Wattage:

At 80W, the Shark Air Purifier 6 uses slightly more power than the Shark Air Purifier 4 which uses 67W. So if you are concerned about energy efficiency, the Shark Air Purifier 4 is the better option.

5. Maintenance Cost:

Since the Shark Air Purifier 6 has a higher CADR rating, the filter will need to be replaced more often. Therefore, the maintenance cost of this unit is slightly higher than that of the Shark Air Purifier 4.

6. Weight:

The Shark 6 weighs 20 pounds while the Shark 4 weighs in at 17.9 pounds.

7. Size:

The Shark Air Purifier 6 is slightly larger than the Shark Air Purifier 4. It measures 17″ x 8.9″ x 32″ inches while the latter measures 17″ x 8.9″ x 24.29″.

Shark Air Purifier 6 vs 4: Similarities

These two units have several similar features which include the following:

1. Filtration System

Both devices have a two-stage filtration system that features a True HEPA filter. This type of filter is able to remove 99.98% of airborne pollutants that are 0.1 to 0.2 microns in size from the air.

2. Air Quality Sensor

Both units come with an air quality sensor that will automatically adjust the fan speed based on the pollution levels in the room.

3. Odor Lock Feature

This is another feature that both units have. This feature eliminates strong odors from the air, leaving your home smelling fresh and clean.

4. Auto Mode

This is a great feature for people who don’t want to have to constantly adjust the settings on their air purifier.

Both units come with an Auto Mode that will automatically adjust the fan speed based on the air quality in the room.

5. Timer

Both units come with a timer that allows you to set the device to run for a certain amount of time and then turn off automatically.

This is great if you only want to use the air purifier for a specific period of time, such as when you’re sleeping or working.

6. Remote Control

Both units come with a remote control that allows you to adjust the settings from anywhere in the room.

7. LCD Display

The Shark Air Purifier and the Shark Air Purifier both have an LCD display that shows you the current air quality in the room, as well as the fan speed and timer settings.

8. Warranty

They both come with a two-year limited warranty.

Shark Air Purifier 6 vs. 4: Which Is the Better Option?

Here’s a complete overview of each of the air purifiers, so you can decide which one is the best for your needs:

Shark Air Purifier 4 Overview

OVERVIEW
Shark Air Purifier 4
  • Comes with a True HEPA filter
  • Coverage area: 1000 sq. ft.
  • CADR rating: 133
  • Two-stage air filtration
  • Auto Mode
  • Captures up to 99.98% of airborne pollutants as small as 0.1-0.2 microns in size
  • Advanced odor lock
  • Has 4 high-speed micro-fans
  • Ultra-quiet with a 58-dB maximum noise level
  • Clean Sense IQ air quality sensor
  • Comes with a remote control
  • Two-year warranty

 

The Shark Air Purifier 4 is a great option if you’re looking for an air purifier that can cover a large area.

It has a True HEPA filter, which is able to capture up to 99.98% of airborne pollutants as small as 0.1 – 0.2 microns in size.

Additionally, it has a Clean Sense IQ air quality sensor that will automatically adjust the speed of the fans based on the quality of the air.

The Shark Air Purifier is also ultra-quiet, with a maximum noise level of only 58 dB. This is way below most other air purifiers on the market.

The shark 4 unit covers an area of up to 1000 sq. ft., which is great for large rooms or apartments. It also has a CADR rating of 133, which means it’s able to filter the air in your room very quickly.

The Shark Air Purifier 4 comes with remote control, so you can easily adjust the settings from anywhere in the room.

With a two-stage purification system, it’s able to remove a wide range of airborne pollutants.

This air purifier also has an Advanced Odor Lock feature that will help to eliminate any strong odors in the room.

I must also mention the Auto Mode, which adjusts the fan speed based on the air quality in the room. The Shark Air Purifier comes with a two-year warranty, which is great peace of mind.

All in all, this is a great option if you’re looking for an air purifier that can cover a large area and remove a wide range of airborne pollutants at very high efficiency.

Strength
  • True HEPA filter
  • Air quality sensor
  • Two-stage purification
  • Advanced Odor Lock feature
  • Auto Mode
  • Captures up to 99.98% of airborne pollutants as small as
  • 0.1-0.2 microns in size
  • Advanced odor lock
Weakness
  • Quite pricey
  • No pre-filter
  • CADR could be higher

Shark Air Purifier 6 Overview

OVERVIEW
Shark Air Purifier 6
  • Comes with a True HEPA filter
  • Coverage area: 1200 sq. ft.
  • CADR: 160
  • Auto Mode
  • Two-stage filtration system
  • Captures up to 99.98% of airborne pollutants
  • Advanced odor lock
  • Up to 6 high-speed micro-fans
  • Ultra-quiet with a 63-dB maximum noise level
  • Two-year warranty

 

The Shark Air Purifier 6 is a great option if you’re looking for an air purifier with a bit more power.

It has a True HEPA filter and is able to capture up to 99.98% of airborne pollutants as small as 0.01 – 0.02 microns in size, making it one of the most effective air purifiers on the market.

This unit also has a Clean Sense IQ air quality sensor that will automatically adjust the fan speed based on the quality of the air.

Additionally, it’s ultra-quiet with a maximum noise level of only 63 dB.

The Shark Air Purifier 6 covers an area of up to 1200 sq. ft., which is great for large rooms or apartments.

It also has a CADR rating of 160, way better than what most other air purifiers on the market can offer.

The unit comes with an easy-to-control display panel and remote control, so you can easily adjust the settings from anywhere in the room.

Like the Shark 4, this unit also comes with a two-stage purification system that’s able to remove a wide range of airborne pollutants.

The Shark Air Purifier also has an Advanced Odor Lock feature that will help to eliminate any strong odors. It also has an Auto Mode, which adjusts the fan speed based on the air quality in the room.

I found this unit to be a bit pricey, but it does come with a two-year warranty.

Overall, the Shark Air Purifier is a great option if you’re looking for an air purifier with a larger coverage area and high-efficiency filtration.

Strength
  • Comes with a True HEPA filter
  • Covers an area of up to 1200 sq. ft.
  • CADR rating of 160
  • Captures up to 99.98% of airborne pollutants as small as
  • 0.1-0.2 microns in size
  • Advanced odor lock
  • Air quality sensor
  • Advanced Odor Lock feature
  • Auto Mode
Weakness
  • Quite pricey
  • No pre-filter
  • The design could be better

Verdict

These two air purifiers are very similar in many ways, but the Shark Air Purifier 6 wins when it comes to CADR rating and coverage area. If you have a large room or apartment, then this is the better option for you.

However, the maintenance cost of the Shark Air Purifier 6 is slightly higher since you’ll have to replace the filter more often.

Overall, I would recommend getting the Shark 6 since both have similar features except for the ones I mentioned above. Also, the difference in price between the two is only around $20.

FAQ

How many square feet does the shark air purifier 4 cover?

The Shark Air Purifier 4 covers an area of up to 1000 sq. ft.

Does the shark air purifier help with Covid?

While these two models are not designed to kill viruses specifically, they will help to remove airborne pollutants and contaminants from the air. This can help to reduce your risk of exposure to viruses and other harmful particles.

Is Shark True HEPA filter washable?

No, the True HEPA filter is not washable. You will need to replace it every 6 months depending on the usage.

How long does the filter last for the shark air purifier 6?

The Shark Air Purifier 6 filter will last for up to 6 months before it needs to be replaced. However, how often you need to replace it will depend on factors like the air quality in your area and how often you use the unit.

Does the shark air purifier 4 have a carbon filter?

The Shark Air Purifier 4 comes with an Advanced Odor Lock feature that will help to eliminate any strong odors.

What is the CADR rating of the Shark Air 6 Purifier?

The CADR rating of the Shark Air Purifier is 160. This is a higher rating than most other air purifiers on the market.