Winix HR900 Review: Revolutionize Your Air Quality

The Winix HR900 is a fantastic air purifier specifically designed for pet owners, boasting a double pre-filtration system and a dust sensor that outshines other models like the Winix P450 and Winix U450.

In this review, we will explore whether this popular air purifier is still worth considering amidst newer models such as the Winix HR950 and Winix HR1000.

A standout feature of the Winix HR900 is its unique customized pet pre-filter, which makes a world of difference compared to typical air purifiers on the market.

While you might also stumble upon models like the Winix 9800 and Winix C909 with better performance, the HR900 remains a noteworthy option for pet owners wanting to improve their home’s air quality.

As an offering from Winix, a South Korean company known for producing some of the best air purifiers in the industry.

The Winix HR900 showcases their expertise in creating effective home air products.

Stay tuned in this review to learn more about how this classic favorite measures up against the competition and whether it’s the right air purifier for your needs.

Winix HR900 featured image

Winix HR900 Overview

If you’re in the market for an air purifier, the Winix HR900 is a worthy contender to consider.

Designed with pet owners in mind, this Ultimate Pet Air Purifier provides all-round performance while ensuring the air you breathe stays clean.

The Winix HR900 stands out with its impressive five-stage air filtration system, making it highly effective at trapping pet dander, hair, and odor.

The Ultimate Pet Pre-filter is the first line of defense, capturing large pollutant particles before they pass through the subsequent filters.

What’s great about this air purifier is that it doesn’t consume much power, making it energy-efficient for daily use.

You can also benefit from its ultra-quiet sleep mode if you need some peace and quiet after a long day.

One of the key features that’ll make your life easier is its Auto mode for automatic operation.

With a built-in air quality indicator, the Winix HR900 adjusts its settings based on the air pollutants present, ensuring you’re always breathing clean air.

The Winix HR900 has a sleek, modern design that adds a touch of elegance to your home decor.

The front panel features a stylish air intake grill, which ensures maximum airflow while maintaining its attractive appearance.

A perforated grill covers the sides, adding to the overall aesthetic and providing efficient air circulation.

In terms of usability, this air purifier offers timer options of 1, 4, and 8 hours for added flexibility.

Its smart design allows you to place it anywhere in your living space, and it won’t be an eyesore, either.

Winix HR900: Design and Size

Regarding size, this air purifier is quite convenient for most living spaces. Its dimensions are suitable for any room without taking up too much space.

Winix HR900 Design

Plus, the compact design allows for easy placement on a tabletop or the floor, depending on your preference.

One notable aspect of the Winix HR900 design is its focus on pet owners.

This air purifier includes unique features, such as a double pre-filter system specifically designed to capture pet dander and hair.

So not only does it look great, but it also works hard to keep your home’s air fresh and clean for both you and your furry companions.

Winix HR900: Filter System

The Winix HR900 air purifier’s filter system is specifically designed to address pet-related air concerns in your living environment.

This system comprises three stages, ensuring an all-round performance. Let’s dive deeper into each of these filters.

True HEPA Filter

The first and most important component of the Winix HR900 is its True HEPA filter.

It captures 99.97% of particles as small as 0.3 microns, including pet dander, pollen, and mold spores.

This highly efficient filter ensures that the air in your home stays clean and healthy, reducing allergens and irritants.

Carbon Filter

Next, this air purifier utilizes an Advanced Odor Control (AOC) Carbon Filter, which helps to eliminate odors and volatile organic compounds (VOCs) from your indoor environment.

This activated carbon filter is especially effective at neutralizing pet odors, cooking smells, and cigarette smoke. With the Winix HR900, you can be confident that your home will smell fresh and clean.


Finally, the Winix HR900 air purifier features a double pre-filter system tailor-made for pet owners.

The Ultimate Pet Pre-Filter is the first line of defense against larger particles such as pet hair, dust, and lint.

This washable and reusable filter not only prolongs the life of the True HEPA Filter but also helps to maintain the overall efficiency of the air purifier.

Performance and Coverage

Winix HR900 Performance and Coverage

The Winix HR900 air purifier is designed to give you impressive performance and coverage for your home.

This model is specifically created to cater to pet owners, ensuring that your home’s air quality remains at its best, even with furry companions around.

It offers an all-around air cleaning system that works well in rooms up to 360 sq ft in size, making it suitable for most living spaces.

Featuring a five-stage filtration system, the Winix HR900 ensures that your home is free from pet dander, hair, and odor.

Its proprietary PlasmaWave filter is particularly sought after, as it uses hydroxyl to neutralize active bacteria and viruses, including Influenza A (H3N2).

This unique technology sets the Winix HR900 apart from other air purifiers in the market.

When it comes to CADR (Clean Air Delivery Rate) ratings, the Winix HR900 boasts impressive numbers.

CADR ratings are a reliable indicator of an air purifier’s performance, and the higher the number, the better.

The CADR ratings for this model are certainly worth noting, as they reflect its ability to filter pollutants from your indoor air effectively.

With an ACH (Air Changes per Hour) of 4, the Winix HR900 cycles the air in your room four times in an hour, offering continuous air cleaning.

This feature has a significant impact on maintaining the freshness and cleanliness of your home’s air.

Users appreciate the quiet functioning of the Winix HR900, which allows them to use the unit without disturbing their daily routine or sleep.

The auto mode enables automatic operation, adjusting the air purifier according to the air quality detected.

Additionally, there are timer options of 1, 4, and 8 hours, giving you flexibility in controlling the unit according to your preferences.

Winix HR900: Unique Features

Winix HR900 Smart Sensor

Smart Sensor

The Winix HR900 comes with a Smart Sensor that detects the air quality in your room and adjusts the purifier’s speed accordingly.

This feature ensures that your air purifier is always working efficiently to provide you with clean and fresh air.

The odor sensor, in particular, helps remove any unpleasant smells from your room quickly and efficiently.


Have you ever worried about airborne pollutants like viruses, bacteria, or chemical vapors?

The Winix HR900 features PlasmaWave technology that effectively breaks down pollutants by generating harmless positive and negative ions.

This process safely neutralizes particles without producing any harmful byproducts, maintaining the purity of your indoor air.

Sleep Mode

Do you value your peace and quiet, especially during bedtime?

The Winix HR900 takes care of that with its sleep mode.

When engaged, the air purifier uses light sensors to determine when the room is dark and automatically adjusts to the quietest fan setting.

This way, you can enjoy a restful night’s sleep without any distracting noise from your air purifier.

Child Lock

As a pet owner or a parent, you might be concerned about curious little hands or paws accidentally changing the settings of your air purifier.

The Winix HR900 comes with a child lock feature that prevents unintended setting adjustments and ensures the air purifier continues to operate optimally for your comfort and peace of mind.

These unique features make the Winix HR900 an excellent choice for pet owners and families looking for an effective and user-friendly air purifier.

You can trust that it will efficiently clean the air, provide a good night’s sleep, and keep your loved ones safe with its thoughtful design.

Ease of Use

The Winix HR900 air purifier is designed with user-friendliness in mind, ensuring a hassle-free experience for you.

With its intuitive features and controls, you’ll quickly learn how to make the most of your new air purifier in no time.

One handy feature of the Winix HR900 is the ability to control it via an app on your smartphone.

This offers you the convenience of adjusting settings, turning the device on or off, or checking the filter status from anywhere in your home.

Additionally, the Winix HR900 comes with a remote control, allowing you to adjust settings and modes comfortably from your seat.

Another important aspect of the Winix HR900’s ease of use is its filter replacement process.

The device comes with uniquely designed filters, keeping pet owners in mind.

The pet pre-filter collects pet hair and larger particles, protecting the main filters from clogging.

To ensure optimal performance, it’s essential to replace the filters as needed.

Thankfully, the device makes this process quite simple.

The air purifier features an indicator that will alert you when it’s time to replace the filters, so there’s no need to guess or constantly check on them.

Winix HR900: Pros and Cons


  1. The Winix HR900 offers all-round performance making it a great choice for most homes.
  2. This air purifier features a unique double pre-filter which is specially designed to accommodate pet owners.
  3. It also has a stylish and smart design, adding an aesthetic appeal to any room.
  4. The Winix HR900 is equipped with triple smart sensors that help the air purifier work at optimal speed and allow its auto mode to be more precise.
  5. Its price is considered overall great for the value you get.


  1. One downside to the Winix HR900 is the high filter replacement cost, which may add up over time.
  2. This air purifier lacks some smart features that could enhance convenience and control.
  3. With a recommended room area of about 300 square feet, it might not be suitable for larger spaces.
  4. The Winix HR900 is slightly bulky and heavier due to the additional filtration features, which may impact portability.

Comparison with Other Models

Comparison with Winix 5500-2

The Winix HR900 and Winix 5500-2 are both popular air purifiers with distinct features.

In terms of filtration system, the Winix HR900 possesses advanced 5-stage filtration, making it effective for pet owners, while the Winix 5500-2 has a 4-stage filtration.

Regarding CADR (Clean Air Delivery Rate) and coverage area, both models are quite similar; however, you might notice a slight difference in power consumption.

The Winix HR900 consumes slightly more power due to its double pre-filter for pets2.

When it comes to additional features, the Winix HR900 lacks some smart features that the Winix 5500-2 offers, such as a remote control and WiFi capabilities.

Comparison with Honeywell HPA300

The Honeywell HPA300 is another well-known air purifier model.

One of the main differences between the Winix HR900 and Honeywell HPA300 is their filtration processes.

As mentioned before, the Winix HR900 has a 5-stage filtration system, while the Honeywell HPA300 uses a 2-stage filtration system, focusing on True HEPA filtration and activated carbon pre-filtration.

In terms of CADR and coverage area, the Honeywell HPA300 offers slightly higher CADR values and a larger coverage area compared to the Winix HR900.

However, the HR900’s double pre-filter for pets offers better protection for pet owners.

When comparing additional features, the Winix HR900 and Honeywell HPA300 both lack smart features, such as remote control or WiFi connectivity.

Comparison with Winix HR950

The Winix HR950 is another model from the Ultimate Pet Series.

The primary difference between the HR900 and HR950 lies in the pre-filtration system.

While both have double pre-filtration, the HR900 is more affordable than the HR950.

In terms of overall performance, both models are quite similar, offering effective air purification for pet owners.

By comparing the Winix HR900 with the Winix 5500-2, Honeywell HPA300, and Winix HR950, you can better understand its features and capabilities to decide which air purifier best suits your needs.

Price and Warranty Information

Finding the right air purifier for your home can be a challenging task, especially when considering the price and warranty aspects.

Don’t worry; we’ve got you covered with information about the Winix HR900 air purifier.

The Winix HR900 air purifier is known for its all-round performance and smart design.

It’s generally considered a great value for the price. However, it’s important to note that the cost of filter replacements may be higher.

To get an idea of the current pricing for this air purifier, you can check out popular retailers like Walmart or Amazon for their latest offers and deals.

In terms of warranty, the Winix HR900 comes with a 2-year warranty.

This means you can have peace of mind knowing that your investment is protected for a reasonable period of time.

As a customer, you can expect a decent level of customer service from Winix.

Their team will be readily available to help with any concerns or issues you might have with your air purifier.

Keep in mind that warranty claims may require you to provide proof of purchase, so be sure to keep your receipt and any relevant documentation handy.

Winix HR900: Our Verdict

After trying the Winix HR900, you can confidently say it’s an excellent choice for pet owners.

Its air-cleaning performance stands out, effectively handling pet hair and dander.

Moreover, the pet filters not only enhance cleaning but also prolong the life of the main filters.

The odor control filter uses real carbon pellets, providing up to 12 months of effective odor control.

Though installing the pet filters isn’t the easiest task, it’s just a minor complaint.

With the Winix HR900’s top-notch design, build quality, features, and ease of use, you won’t be disappointed.

The self-adjusting operation and ultra-quiet performance are admirable.

While the Winix HR900 might not be the most affordable option available, its impressive performance and user-friendly features make it stand out among other air purifiers.

Many users have shared positive experiences with this product, appreciating its efficiency in tackling pet-related air pollutants.

As a pet owner looking for a high-quality air purifier, the Winix HR900 is definitely worth considering.

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