Honeywell True HEPA Allergen Remover, 465 sq. Ft, HPA300

The air we breathe is not thoroughly clean it contains a lot of pollutants that can be very harmful especially for people with allergies and asthma. Honeywell is well aware of all these facts that is the reason it had brought in a lot of the best air purifiers. Day by day Honeywell is producing more efficient and elegant allergy air purifiers; HPA300 is proof of it. Honeywell always has quality and performance on the mind. And in their 25-year expertise in cleaning, you must be assured that they did best with all of their models.

Honeywell HPA300 Review

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Feature Info
AHAM Verified The CADR (Clean Air Delivery Rate) performance is 3rd party tested & AHAM verified.
ENERGY STAR Qualified This product earned the ENERGY STAR by meeting strict energy efficiency guidelines set by the U.S. EPA.

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Eliminates Allergens

HPA300 is the most potent air purifier of the Honeywell Allergen Remover series. There is not much difference between them. The Honeywell HPA100 is for 155 square feet rooms. HPA200 is for 310 square feet rooms and

HPA300 is for the 465 square feet rooms. It comes with a True HEPA filter which means only one thing, and that is to eliminate 99.97% of airborne particles. Pollen, mold spores, fungi, pet hair and dander, household dust, all will be eliminated with this device. Even certain viruses and bacterias will be removed from the room. Because of that facts, it is an ideal choice for people who suffer from severe allergies, but it is also recommended to all people who live in a dirty environment.

Removes Bad Smells

HPA300 is not only designed to remove airborne germs, but it also helps in eliminating the bad smell from the air. It will ensure that the air you breathe is fresh and is containment-free. The technology behind removing a bad smell is an activated carbon filter which is close to a True HEPA filter, and together these two filters are working in harmony to provide like clean air as possible. Carbon filters can remove smoke, gases, nasty odors and other unwanted smells from the room. Sometimes a room just smells bad, maybe it is the cooking problem, or you may have pets, no worries, with HPA300 all will be removed.

Energy Star Certificate

For a long time now devices in the United States are graded with an Energy Star certificate. Once you see Energy Star on the device, you can rest assured that this device is energy-friendly. That means your electric bills will not go up and that you can actually run the air purifier 24/7 without needing to spend a fortune on the electricity.

Cool and Interesting Design

This unit is designed perfectly, 22’’ wide, 23 1/2 ‘’ high, and 13’’ deep. The size is may be large for small rooms, but in size lays the power. The bigger the filter, the more air can be filtered. The same goes for the activated carbon filter, the larger the carbon filter, the faster it will remove bad smells from the room.

Four Cleaning Mods

This air purifier has four cleaning levels. Each of them is used for a specific problem.

Germ Mode

Germ mode is used to kill all that nasty germs in the room. If you have suspicions that germs are growing in your home then just use this mode for few days, and all the germs will be killed.

General Clean

This mode should be used when you don’t have a particular problem, and you just want fresh, clean air.

Allergen Mode

As the name says, it is used when you suffer from allergies and you have noticed that allergens are present in the room. The best way to get rid of them is to set the air purifier on the Allergen mode. In just a few hours your room may be completely free from allergens.

Turbo Mode

You just need to have clean air as soon as possible. Put the device in turbo mode. It will work with all the power to provide clean air as fast as possible. But keep in mind that in this mode more energy is used, and it is not wise to keep the air purifier all the time in turbo mode.

AHAM Verified

AHAM verified this model and gave great grades. For removing smoke from the 465 square feet, it got a CADR grade of 300. For the dust over 320 and pollen over 300.  With that high number, you can be sure this device delivers. It also has the power to filter the air five times in an hour. This ability is more than enough to clean the whole air in less than an hour because there is no such pollution to pollute the air so fast unless you have a massive smoker in the room. Then maybe you should consider talking with the smoker and perhaps show him the door to the terrace.

Quiet Enough For a Good Sleep

Even when you place HPA300 on a turbo mode, it will work smoothly and even let you sleep without trouble. For the people who are light sleepers, you can turn turbo mode off, and then you will not even hear HPA300 working. Because of such quiet work, it is ideal for the offices and bedroom.

Fancy Options

On the top of the HPA300, you can select all the options you want as well as monitor all the important things. Filters need to be replaced. Even pre-filter needs to be replaced every three months, and the True HEPA filter needs to be replaced every year. But HPA300 will tell you precisely the time when you need to replace filters. Two indicators will light up when the prefilter or main filter needs replacement. There is also an option to shut down all the work automatically; you just select the option when. You can choose from 2, 4, or 8 hours of work and HPA300 will shut after the option is chosen.

Replacement Filters

All filters in this device need to be replaced accordingly. You should always use certified Honeywell HPA300 filters to make sure that the air purifier is working on the best performance and that you actually have a True HEPA filter. Filters are not expensive, and they come as a package.

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Feature Info
Product Dimensions 6.7 x 4.9 x 10.3 inches
Item Weight
13.6 ounces
Captures up to 99.97% of airborne particles at 0.3 microns.

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  • Ideal for Bedroom
  • Affordable Prize
  • True HEPA Filter
  • Lots of Options
  • Indicators that Will Tell You When to Replace Filters
  • Cool Design
  • Powerful Air Purification Performance
  • AHAM Verified
  • Energy Star Certificate


  • Maybe too Large for Some Small Rooms or If You Have Room With Lots of Things Inside


If you have allergies, then this is precisely what you require. It’s a modern and elegant way to purify the air around you. Your indoor pollutants are removed safely, and with the help of a monitor, the life of your filter is maximized. This air purifier is ideal for various usage. It is extremely powerful, and because of that, you can use it in a large room. As it is focused on removing allergies from the air, I can only suggest this device to all the people who suffer from allergies. With this device on, all the allergies will be gone.

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