Honeywell HPA300 True HEPA Air Purifier Review

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Updated January 6, 2023
77 Expert Rating

This Honeywell air purifier helps clean the air in your room and eliminate certain bad odors. It’s one of the best air heating cooling products that come with a carbon pre-filter with activated carbon. The HPA300 Honeywell will deliver clean air even in your extra large room.

Why We Like It – Honeywell HPA300 True HEPA Air Purifier

The Honeywell HPA300 Air Purifier features a HEPA filter that can remove up to 99.97 percent of allergens and particles in the air. It offers three air cleaning levels by removing particles such as dust pollen. It comes with easy-to-read and uses touch controls.

  • True HEPA filter
  • Removes up to 99.97 percent of particles
  • Cleans large rooms up to 465 square feet
  • Turbo mode is loud


The Honeywell True HEPA air purifier offers high levels of air purification thanks to the carbon filter used in the product. It works best if the room size is around 350 square feet, but it can also clean air in rooms as large as 465 sq ft. But, for a device that covers 700sq. ft., read our Rabbit Air MinusA2 review. It can improve air quality by removing up to 99.97 percent of 0.3-micron particles and even larger particles. There are three levels of purification, including a turbo setting. Looking for a portable AC? Check out the Serenelife 8000 BTU Portable 3-in-1 Air Conditioner.


Most air purifiers feature a floor-standing design, and the Honeywell True HEPA allergen remover filter also has a similar look. It outputs air from the top and also comes with touch controls for different modes, fan speeds, filter change indicator, and more. The air purifier’s LED display also has a dimmer for night use. The handles on the side allow it to be carried easily. If you don’t need a purifier and are on the lookout for a humidifier, try the Homech Quiet Ultrasonic Humidifier. Read our Amazon Basics 46000 BTU review to learn more about this great product.


The Honeywell HPA300 is an excellent air purifier that has received thousands of positive reviews. It uses HEPA filters that can clean most airborne particles, just like its cousin, the Honeywell True HEPA air filter. With the Turbo setting enabled, it can get rid of particles such as pet dander, mold, pollen, and dust. It also has an energy star rating for being efficient, and comes with a filter replacement reminder. The purifier can clean air in a 465 sq ft room up to 5 times in an hour. Want a fan instead? Take a look at the Vornado 660.

Honeywell HPA300 True HEPA Air Purifier Wrap Up

The HPA300 from Honeywell is a popular air purifier that has a lot of pros, and very few cons. It uses a HEPA filter and can remove up to 99.97 percent of particles in the air. It works best in room sizes up to 465 sq. ft. and gets touch controls. Although the turbo setting is loud, it does do the job very well.

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