Best Air Purifier in the U.S. for Better Respiratory Health 2021

Clean air is a basic necessity. Especially, if you are suffering from sinus problems, allergies, or headaches, it is necessary to have clean air so you don’t have to breathe in pollutants that can worsen your health. Even the air you breathe while you are at home contains harmful pollutants like dust, smoke, pet dander, organic compounds, allergens, and bacteria that can put your respiratory system at risk.

Therefore, it is wise to have the best air purifier at home that can clean the air around you.  Air purifiers can make a huge difference in air quality. They work by drawing air in and then passing it through a filter or a combination of filters to gives out fresh and clean air.

So, if want your homes to be clean and fresh, here are some of the best air purifiers in the US that can better the air quality around you.

Best Air Purifies in the U.S. – Reviews and Comparison:

1. Acekool Air Purifier D01 

Best Air Purifier in the U.S. for Better Respiratory Health 2021 3 

Best Air Purifier in the U.S. for Better Respiratory Health 2021 4

Product Highlights

The Acekool air purifier D01 helps monitor the air in your surroundings in real-time with multiple sensors. Moreover, the innovative fan blade design contributes to advanced noise reduction to operate quietly while you sleep. With a small size and a modern design, this air purifier is perfect for small areas and bedrooms.


Fitted with a pre-filter, true HEPA filter, and carbon filter, this air purifier can eliminate 99.97% of PM2.5, formaldehyde, bacteria, pollen, smoke, mold spores, dust, odors, and pet dander. There is a built-in LED indicator that will remind you to with a fresh one. Filters must be replaced every 6 months depending on the use and air quality in your home.

        Pros        Cons
Temperature and humidity meter
Refreshes humidity and temperature every 10 seconds
Sensitive touch switch
None (as  per our personal experience)


2. Acekool Air Purifier D02 

Acekool Air Purifier D02 

Product Highlights

The Acekool Air Purifier D02 is perfect for a bedroom, living room, or office space. It is fitted with a thermometer and a hygrometer to monitor the temperature and humidity of the area in which the purifier is placed. It houses an H13 HEPA Filter that can maintain and boost the quality of the air around you.


The D02 air purifier indicates the air quality of your home using three different lights; green is for good air quality, yellow is for decent, and red denotes bad air quality. You can also adjust the fan speed depending on the air quality. You can set the fan speeds to low, medium, and high according to your preference.

The D02 features a 3-stage filtration system. The H13 HEPA filter is coupled with a pre-filter and carbon filter to obtain maximum purification of particles even as small as 0.3 microns of pollen, smoke, odors, and mold.

        Pros        Cons
Smart sensor
Temperature and humidity control
Sleep mode for  silent air purification
None (as  per our personal experience)


3. Molekule Air Large Room Air Purifier 

Molekule Air Large Room Air Purifier 


Product Highlights

The Molekule Air is perfect for people with serious allergies. Featuring a sleek and elegant design with a handhold strap, the air purifier is housed in an aluminum case. It is designed for large rooms up to 600 sq. ft and is ideal for bedrooms and living rooms.


The Molekule Air is a modern device with a touchscreen display and WiFi capability. You can connect it to the WiFi and control it remotely using your smartphone. The purifier is equipped with Photo Electrochemical Oxidation (PECO) nanotechnology to destroy viruses, VOCs, allergens, bacteria, and mold. It highlights one PECO filter and two pre-filters that have to be changed every six months.

        Pros        Cons
PECO filter
Touchscreen display


4. Blueair Blue Pure 211

Blueair Blue Pure 211

Product Highlights

Ideal for bedrooms and home offices, the Blueair Blue Pure 211 is an expert at removing harmful pollutants from the air to maintain the quality of the air.


Fitted with Swedish filter technology, the air purifier can capture 99% of airborne pollutants like viruses, pollen, dust, pet dander, mold, and bacteria. It houses a fabric pre-filter, particle filter, and carbon filter to capture all large and small particle pollutants to blow out fresh, clean air. The bonus is that the filters are machine washable and therefore can be reused.

        Pros        Cons
Effective three-part filtration system
No effect on VOCs


5. Coway AP-1512HH

Coway AP-1512HH


Product Highlights

The Coway AP-1512 HH Mighty is one of the best air purifiers in the market. It is a reasonably priced machine that can cover an area of 361 square feet. Also, it sports a low-profile design with a bunch of features.


The Coway Mighty Air Purifier highlights four levels of filtration. It houses a pre-filter that captures the largest particles, an activated carbon filter that eliminates smoke, gases, odors, and other air pollutants. Besides, it also has HEPA filters that trap up to 99.97% of tiny particles. It also has an ionizing function to increase the air purifier’s ability to freshen the air.

Moreover, there is a timer feature that lets you run the machine according to a preferred time. You can also adjust the speed of the fan based depending on the air quality in your room.

Another noteworthy feature is the filter replacement indicator that checks both pre-filter and the HEPA filter to let you know when to wash or replace the filter.

        Pros        Cons
Low-profile design
The filters have plastic covers that must be removed before starting the machine


Based on our review, the Acekool Air Purifier D01 is the best air purifier in the U.S for 2021. The purifier filters out the air with a combination of three filters that effectively eliminates large and small particles with perfection.

Air purifiers can be expensive and therefore need careful thought and research before investing in one. If you are living in a place where there is poor air quality or you have severe dust allergies, you should consider getting the best air purifier. These purifiers can contribute to your respiratory health by maintaining the quality of the air around you.


More to read:

How Do Air Purifiers Work and Clean the Air at Home?

Best Stand Mixers in the U.S. That Are Selling Like Hot Cakes 2021         



I hope you love our product recommendations! Just so you know, Protechlists may collect compensation and commission from the links on this page! If there is anything we can improve, please let us know!

Leave a Reply