Honeywell HPA300 HEPA Air Purifier

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What is Honeywell HPA300 HEPA Air Purifier?

The Honeywell HPA300 HEPA Air Purifier is one of the most powerful air purifiers available on the market. This particular model utilizes True HEPA filtration, which is capable of removing up to 99.97% of all airborne particles and allergens as small as .3 microns from the air. The HPA300 has an impressive CADR rating of 300, which means it can clean an area of 465 square feet in just fifteen minutes. Additionally, its advanced filtration system includes a pre-filter for capturing large particles like pet hair and lint, a charcoal filter for neutralizing odors, and a carbon filter for absorbing VOCs (volatile organic compounds). It also features an intuitive LED control panel that allows users to choose between three speed settings depending on their needs. With its quiet operation and sleek design, this device makes a great addition to any home or office space. Furthermore, the unit comes with a five-year limited warranty so you can be sure it will last you many years to come.

Design and Features

The Honeywell HPA300 HEPA Air Purifier is an incredibly advanced and powerful air purification system, designed to provide users with clean air at all times. This unit features a unique True HEPA filter system, which is capable of capturing up to 99.97% of airborne particles as small as 0.3 microns in size for efficient filtration performance. Additionally, this filter can capture dust mites, pet dander, smoke particles and other allergens from the air to help create an allergy-free environment. The HPA300 also offers a pre-filter that captures larger particles like lint, dust and pet hair and extends the life of the primary filter. The advanced Intelli-Check Electronic Filter Monitor conveniently displays when it’s time to replace your filter. As far as design goes, this model is slim enough to fit almost anywhere yet it packs quite a punch in terms of performance — the 3-stage cleaning process works continuously in rooms up to 465 square feet while its Turbo Clean setting quickly cleans larger rooms up to 528 square feet in size. The included two speed fan settings allow you to adjust the level of air purification based on your needs and preferences while the auto shutoff timer allows you to program up to 8 hours for maximum energy efficiency. Ultimately, the Honeywell HPA300 HEPA Air Purifier is one of the most reliable air purifiers on the market today thanks to its cutting-edge technology, high-efficiency filters and convenient user features.

What’s in The Box

  • 1 Air Purifier
  • User Manual

Setup and Installation

Setting up the Honeywell HPA300 HEPA Air Purifier is a simple process that can help you maintain a healthy and clean living environment.

  1. First, unpack the device and place it in the location where it will be used. The air purifier needs to be at least 20 inches away from walls and furniture for optimal air flow. After it is in place, plug the device into an outlet and switch it on.
  2. Next, select your desired fan speed. There are three fan speeds available – low, medium, and high. Depending on the size of your room, choose the speed setting that best suits your needs. For example, if your room is larger than 450 square feet, medium or high is recommended; for a room smaller than this range, low is better.
  3. Once the fan speed is selected, set up the filter monitor to remind users when to change filters. This indicator can be found on top of the device next to a small display light with various settings such as “Change Filter” or “Replace Filter” which will let you know when you need to replace your filter so that your air purifier works at its maximum efficiency level.
  4. Finally, you can customize your settings with other features such as automatic shutoff or timer mode which allows you to program when you want your Honeywell HPA300 HEPA purifier to turn off or on depending on what time of day it is being used most often. You can also adjust the intensity levels of both pre-filter and main filter using an intuitive display screen located on top of the unit – this helps keep track of how much dirt has been filtered out and how long until a new filter needs replacing!

Honeywell HPA300 HEPA Air Purifier Review

9.4Expert Score
Our Verdict
The Honeywell HPA300 HEPA Air Purifier is a popular home appliance, touting air purification and enhanced air quality.
  • Large room coverage
  • Aerodynamic design
  • Auto shut-off feature for energy savings
  • Helps reduce allergens
  • Extra large room air purifier
  • Some reports of noise emission when running and no timer function to allow for pre-programmed operation

Specification: Honeywell HPA300 HEPA Air Purifier



Controller Type

Button Control

Included Components

1 air purifier

Batteries Required


Warranty Description

5 year limited warranty.

Material Care Instructions

Change filters regularly

Is Discontinued By Manufacturer


Item model number


Country of Origin




Particle Retention Size

0.3 Micron



Noise Level

60 dB

Specification Met


Floor Area

310 Square Feet

Filter Type


Control Method


Item Weight

17 pounds

Power Source

Corded Electric

Product Dimensions

20"D x 22.8"W x 10.8"H

Import Designation


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