Honeywell HPA300 Air Purifier Review

Honeywell HPA300 Air Purifier Review

Air purifiers have become more of a necessity now than ever before. For, the air we breathe indoors is not clean or healthy anymore. More than the dust and smoke outside, we should be worried about the dust mites, bacteria and mould infesting our homes. We can choose to stay indoors but there’s no escape from harmful indoor pollutants.

Or there is? Yes, Honeywell’s latest offering – Honeywell HPA300 Air Purifier – is testimony to this. The company prides in being the leading Fortune-100 name in electronics and the air purifier is yet another feather on its cap. We thoroughly scrutinize the performance of this model in our Honeywell HPA300 Review.

Honeywell HPA300 Review

Honeywell HPA300 AIr Purifier Long term Real review
1. Coverage Area465 Sq. ft.
2. Quiet Operation Coverage465 Sq. Ft.
3. Filtration EfficiencyRemoves 99.97% of particles greater than 0.3 microns
4. CFM (airflow in Cubic Feet per Minute)300
5. CADR320
6. Noise50 dB (whisper)
7. Power Consumption110-220 V
8. Filter TypeTrue HEPA
9. Filter Life12 months
10. Warranty5 years


  • Powerful filtration and air circulation at least 5 times/hour
  • VOC sensor keeps regular tab on air quality detecting presence of VOCs
  • Bluetooth smart; connect with Wi-Fi and use your phone for remote control
  • Filter change indicator lets you know when your filters need replacement
  • Stronger fans for air circulation


  • The sound level is a bit noisy
  • Few customers complain of bad odor from the device

Check Latest Price

Top Air Purifiers Comparison Table

Air Purifier
Filter Type
Filter Life
1. Honeywell HPA300
12 Months
465 Sq. Ft.
5 years
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2. BlueAir Blue Pure 211+
6 Months
540 Sq. Ft.
2 years
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3. Molekule Air Purifier
6 Months
600 Sq. Ft.
2 years
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4. AlenBreathe Classic
12 Months
1,100 Sq. Ft.
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5. IQAir HealthPro Plus
48 Months
1,125 Sq. Ft.
10 years
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1. Design

Honeywell HPA300 air purifier’s design is quite similar to that of the company’s previous air purifier models. This one comes in elegant black and though ideal for extra-large room spaces, it can be comfortably placed in any room size.

The body of the device is made of metal with round edges which give it a stylish look. The air-intake grill covers the entire body of the unit which implies greater efficiency, especially at this price point.

The control panel is located at the top of the purifier and has touchscreen display. It also contains two LED indicators for filter replacement.

2. Purification Stages

Honeywell HPA300 Air Purifier Filters explained

HPA300 uses two filters for its air-purification process:

A. Pre-filter – This has a fitted activated carbon filter inside which is highly capable of capturing all large polluting substances, VOC, gas/smoke, and bad odours in the room. It’s the first stage of air filtration where the device traps large pollutants and passes them through the second stage of filtration for total cleaning and filtration.

The pre-filter is also capable of trapping dust mites, lint, fibres, and pet dander. The filter should ideally be replaced every 3 months upon average use. The filter check/ reset light on the control panel indicates filter-change time. For best performance, it’s advisable to purchase the filter directly from the manufacturer.

B. True HEPA filter – Honeywell True HEPA air purifier uses R certified True HEPA filters which work at the second and final stage of filtration. The HEPA technology, used by most air purifiers in the market today, works at trapping as much as 99.97% of pollutant particles in the air. These particles are as minute as 0.3 or 0.005 microns, and are invisible to the naked eye. As compared to the inferior HEPA type filters, these follow universal filtration standards.

However, nothing escapes from the microscopic-level filtration of Honeywell HPA300 air purifier. In fact, the performance of its True HEPA filters surpasses that of any of the other similar models in the same price category. The 0.3 micron-pollutants which are captured at the second filtration (HEPA filter) stage include pet dander, mould (check our guide on the best air purifier for molds), viruses, bacteria and pollen. The purifier then circulates back fresh and clean air into the room.  

Besides, the HEPA technology is absolute safe for indoor use too, with no emission of ozone. The HEPA filters of Honeywell HPA300 require replacement once every year. Again, the LED light on the control panel at the top would remind you when it’s time so you’d never forget to breathe clean and healthy air. Initial filters are included in the pack at the time of purchase and additional ones can be purchased from Honeywell (recommended).

3. Honeywell HPA300 Room Coverage

Honeywell has carefully designed the device to cover extra-large room areas and deliver maximum efficiency. It can easily cover up to 465 sq. ft., which is deemed to be the best in this category (compared to other brands). While we have specific air purifiers that are meant for large rooms, this one too can suffice the requirements of a regular conference room or living room.

Besides that, the air purifier can filter and circulate air in the specified room area at least 5 times in an hour. A higher air change per hour capacity places the device in the category of high-power air purifiers.

As for the CADR rating, which indicates efficiency at cleaning the air in a specific room area, HPA300 delivers 320 dust/300 smoke/300 pollen (cfm) rating.

4. Noise

Honeywell has taken extreme care in designing a device that uses the fan capacity to the optimum. However, higher fan power also comes with the obvious drawback of more noise. In fact, the noise level produced by HPA300 when in use is higher than its other counterparts in the same price range.

The average noise rating of the purifier has been noted as quiet on low setting but pretty loud on turbo mode. This means that the latter isn’t suitable for night time. However, for faster cleaning in lesser time, turbo mode can work great provided you’re okay with the noise.

5. Energy Efficiency

HPA300 is known to consume high energy between 40 and 130 watts (lowest-Turbo setting). This power consumption is relatively greater than the other brands in this category. Of all air purifiers we’ve reviewed, we’ve found the Rabbit Air Minus A2 to be the most energy efficient.

To break up the math further, an average use of Honeywell HPA300 for 8 hours/day would produce an energy bill of up to $50 in a year.

Interestingly, the device has been certified by Energy Star; yet, its power consumption during use is sufficient to generate higher electricity bills in the whole year.

If high energy bill is an issue, you might want to check out other brands to keep the energy efficiency high.

6. Extra Features

Honeywell HPA300 extra Features

Turbo mode – This is an additional setting in the air purifier that increases the fan’s speed and capacity to the maximum. Turbo mode generally works best when you want faster air filtration in less time. However, owing to higher power consumption too, Turbo mode should ideally be used only in case of extreme allergy cases.

Remote control operation – Though HPA300 doesn’t provide a remote control set with the device, you can use your phone as one. Connect your Bluetooth Smart v4.0-compatible phone with the purifier and control it remotely from another room within 30 ft. of the Bluetooth Smart Device. Bluetooth Smart Light on the device indicates when it’s paired with a smartphone.

7. Price

The HPA300 model is extremely affordable, considering all the features that it provides of a high-end model. The device starts from an unbelievable $199 and may be able to get an even better deal if picked from Amazon or similar stores online.

Though Honeywell has launched other similar models after HPA300, the latter clearly beats all others with its strong performance. It even supersedes other brands which may offer similar features as those of Honeywell but not at this price point. HPA300 presents great value for money if you’re looking for an efficient yet affordable product in the air purifier category.

Verdict – What do we think of the Honeywell HPA300

When compared to other similar counterparts, Honeywell HPA300 still presents a much better picture in terms of overall performance, efficiency and filtration. Adding to that is the obvious plus point of lower price, something which remains incomparable with other similar brand models. At a price offer like this, Honeywell is an absolute pick-and-go product. Post our thorough Honeywell HPA300 review, we non-hesitantly raise a green flag for this product.

Yet, some of its drawbacks do come in the way of purchase – noise level in particular. However, loud noise is only a problem when the purifier is set at the highest setting, which means that the device is delivering maximum performance. A small price to pay perhaps for the elite air cleaning?

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