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Alen T500 True HEPA Tower Air Purifier Review

Alen T500 Air Purifier is one of the best options for small spaces. It has a tower design, so it will not have a massive footprint. In addition, being Energy Star certified will run efficiently and help you reduce those utility costs.

Here’s the best part… You’ll get a lifetime warranty. These are all the bells and whistles you need in your home air purifier.

But how good is it? I am going to find out everything about it in this comprehensive review.

Alen T500 True HEPA Tower Air Purifier


  • Compact size and footprint.
  • Lightweight and eases mobility.
  • Cleans 500 square feet every half an hour.
  • H13 True HEPA filters.
  • Lifetime warranty.
  • Energy Star certified.


Tower Design: Maximizing Efficiency, Minimizing Footprint

One of the standout features of the Alen T500 is its tower design, which sets it apart from bulkier, traditional air purifiers. This design not only adds a touch of modernity to any space but also ensures that it occupies minimal floor area. Ideal for apartments, offices, or bedrooms where space is at a premium, the T500 seamlessly blends into its surroundings without compromising on performance.

Energy Efficiency: Saving Both Air Quality and Utility Costs

In an era where sustainability is paramount, the Alen T500 shines as an Energy Star certified appliance. This certification indicates that the purifier meets strict energy efficiency guidelines set by the Environmental Protection Agency (EPA), ensuring that it operates optimally while consuming minimal power. By choosing the T500, users can breathe easy knowing that they are not only improving indoor air quality but also reducing their environmental footprint and utility bills.

Lifetime Warranty: Peace of Mind Guaranteed

One of the most enticing aspects of the Alen T500 is its lifetime warranty. This unparalleled commitment from the manufacturer speaks volumes about the confidence they have in their product. For consumers, it translates to long-term peace of mind, knowing that their investment is protected against defects or malfunctions for as long as they own the device. With this level of assurance, the T500 becomes more than just an air purifier; it becomes a reliable companion in the quest for cleaner, healthier air.

Performance: Putting it to the Test

While the features and promises are impressive, the true measure of any air purifier lies in its performance. In our comprehensive review of the Alen T500, we delved deep into its capabilities, testing it in various scenarios to assess its effectiveness.

Air Filtration: Capturing Contaminants with Precision

Equipped with a HEPA-Pure filter, the T500 boasts an impressive ability to capture airborne particles as small as 0.3 microns with 99.97% efficiency. From dust and pollen to pet dander and mold spores, it tackles a wide range of pollutants, ensuring cleaner, fresher air for occupants. In our tests, we found that the T500 performed admirably, noticeably reducing allergens and odors within a short timeframe.

Noise Levels: Quiet Operation for Undisturbed Living

A common concern with air purifiers is their noise levels, especially in spaces where silence is golden. Thankfully, the Alen T500 excels in this regard, thanks to its WhisperMax technology, which combines a specially designed fan and airflow path to minimize noise without compromising performance. During our evaluation, we found the T500 to be whisper-quiet even at higher fan speeds, making it suitable for use in bedrooms or workspaces where tranquility is paramount.

Ease of Use: Simple Setup, Intuitive Controls

Setting up and operating the Alen T500 is a breeze, thanks to its intuitive design and user-friendly controls. From the initial assembly to adjusting fan speeds and setting timers, the purifier’s straightforward interface makes it accessible to users of all ages. Additionally, its compact size and lightweight construction make it easy to move around as needed, further enhancing its versatility.

Alen T500 True HEPA Tower Air Purifier Design & Size

The Alen T500 air purifier is a tower unit. So, it will not take up much space in terms of floor area. You can conveniently place it somewhere in a corner, and it will continue to do its job. It is a tall cleaner with 22-inch x 6-inch x 10-inch.

Alen T500 has a decent cord length, but you must place it around an outlet to power it. However, this unit only weighs around 9 lbs., so moving it from one room to another will not be an issue.

One of the most appealing features of the Alen T500 is its space-saving design. Standing tall at 22 inches and with dimensions of 6 inches by 10 inches, this tower unit is remarkably slim and unobtrusive. Whether you place it in a corner, alongside furniture, or even on a countertop, it effortlessly fits into your living environment, ensuring that clean air is always within reach.

Despite its modest footprint, the Alen T500 doesn’t compromise on performance. Equipped with True HEPA filtration technology, it effectively captures up to 99.97% of airborne particles as small as 0.3 microns, including dust, pollen, pet dander, mold spores, and even volatile organic compounds (VOCs). This makes it an ideal choice for allergy sufferers, asthmatics, or anyone concerned about indoor air quality.

In addition to its powerful filtration capabilities, the Alen T500 is designed for convenience and ease of use. With a decent cord length, you have flexibility in where you place it, although proximity to a power outlet is necessary for operation. However, weighing in at just 9 lbs., moving the unit from one room to another is a breeze. Whether you want to purify the air in your bedroom while you sleep or freshen up the living room during the day, the Alen T500 offers the flexibility to adapt to your needs.

Moreover, the tower design of the Alen T500 allows for efficient air circulation, ensuring that every corner of the room receives the benefits of clean, purified air. Its sleek profile and neutral color scheme make it a stylish addition to any home décor, blending in seamlessly with modern or traditional aesthetics.

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Alen T500 True HEPA Tower Air Purifier Portability

Weighing just 9 pounds, the Alen T500 is remarkably lightweight compared to other air purifiers in its category. This feature alone makes it a standout choice for those who value mobility and convenience. Whether you need to move it from room to room or take it with you when traveling, the T500’s lightweight design ensures that you won’t break a sweat in the process.

One of the key advantages of its portability is the ease with which you can integrate it into various living spaces. Unlike bulkier air purifiers that can dominate a room, the slender profile of the T500 allows it to blend seamlessly into any environment. Its tower design further minimizes its footprint, making it an ideal choice for smaller rooms or apartments where space is at a premium.

Moreover, the portability of the Alen T500 doesn’t compromise its performance. Equipped with True HEPA filtration technology, it effectively captures airborne particles such as dust, pollen, pet dander, and even microscopic pollutants. This ensures that you and your loved ones can breathe cleaner air wherever you go, whether it’s in the comfort of your home or during your travels.

Another benefit of its lightweight construction is the ease of maintenance. Cleaning and replacing filters is a breeze, allowing you to keep your air purifier operating at peak performance without any hassle. Additionally, the T500’s intuitive controls and user-friendly interface make it simple to adjust settings and monitor air quality, further enhancing its overall convenience.

Alen T500 True HEPA Tower Air Purifier Purifying Power

The T500 can remove up to 99.99% of particles and impurities in your air down to 0.1 microns in size. This is all because of the True HEPA filter inside this air purifier.

It is for 500 square feet area. And it will only take 30 minutes to clear it when you run it at its highest setting.

In addition, this cleaner can manage 130 CFM at the highest setting, which is suitable for this room size.

In most cases, tower air purifiers don’t have this much power, especially if you compare them with other market options.

At the heart of the T500 lies its True HEPA filter, a powerhouse of purification that sets it apart from conventional air purifiers. True HEPA filtration is renowned for its ability to capture even the tiniest of particles, including allergens, dust, pet dander, mold spores, and airborne bacteria, ensuring that the air you breathe is not just clean, but pristine.

One of the most impressive features of the Alen T500 is its rapid purification capabilities. With the ability to clear a 500 square foot area in just 30 minutes at its highest setting, this purifier is a force to be reckoned with. Whether you’re dealing with sudden spikes in air pollution, lingering odors, or allergen flare-ups, the T500 swiftly restores freshness and purity to your indoor environment, allowing you to breathe freely and comfortably.

Moreover, the T500 boasts a robust airflow capacity of 130 CFM (cubic feet per minute) at its highest setting, perfectly matched to its recommended room size. This ensures that the purifier effectively circulates and filters the air within its designated space, leaving no corner untouched by its purifying power.

Tower air purifiers have long been favored for their sleek design and space-saving footprint, but often fall short when it comes to performance. However, the Alen T500 defies this trend, delivering exceptional purification power without compromising on style or convenience. Unlike many of its competitors, the T500 proves that you don’t have to sacrifice efficacy for aesthetics, offering a winning combination of form and function.

Alen T500 True HEPA Tower Air Purifier Key Features

This T500 Tower is a handy machine for 500 square feet area. So, it’s an excellent option for smaller rooms. Still, 500 square feet is pretty big, and the cleaner will only take half an hour to exchange the air completely.

In addition, Alen T500 is Energy Star certified, and it will keep your power consumption low as well; I will talk about it in a bit.

Efficient Coverage

The T500 Tower Air Purifier is tailored for smaller spaces, making it an ideal companion for bedrooms, offices, or apartments. Despite its compact size, it boasts impressive coverage, efficiently cleaning areas of up to 500 square feet. In a mere half an hour, the T500 can completely exchange the air in a room, ensuring continuous freshness throughout the day.

Energy Efficiency

In an era where energy consumption is a growing concern, the Alen T500 is a beacon of efficiency. With its Energy Star certification, this air purifier is designed to keep power consumption low without compromising on performance. This not only saves energy but also translates to lower utility bills for the user, making it an eco-friendly and cost-effective choice.

Medical-Grade Protection

At the heart of the Alen T500 lies its True HEPA filter, which provides medical-grade protection against airborne contaminants. Equipped with an H13 filter, it is capable of capturing an impressive 99.99% of particles as small as 0.1 microns in size. This includes common allergens such as pollen, dust, pet dander, and even bacteria and viruses, ensuring that the air you breathe is as pure and clean as possible.

Lifetime Warranty

One of the standout features of the Alen T500 is its commitment to customer satisfaction. With a lifetime warranty included, buyers can rest assured knowing that their investment is protected for the long haul. In the rare event of any issues with the purifier, Alen promises to provide a replacement free of charge, demonstrating their dedication to quality and customer service.

Moreover, Alen T500 ensures medical-grade protection thanks to the True HEPA filter inside it. With this H13 filter, the unit can catch 99.99% of airborne particles down to 0.1 microns in size. This is due to its powerful airflow that guarantees pure air for your space.

And of course, as it is, Alen, you will also get that lifetime warranty. No matter the problem with your Alen T500, the company will ship a replacement free if they cannot resolve it.

This gives huge peace of mind because you know that the company backs all its products and is willing to go out of the way to serve its customers. This is one of the huge factors you need to consider when buying an air purifier because Alen has raised the bar.

Alen T500 True HEPA Tower Air Purifier Noise Level

This is the area that Alen needs to focus on. No matter what unit I have tried from Alen, it did make some noise, especially if you compare it with its competitors.

So, Alen’s air purifiers are not very quiet, similar to the T500. It will continue to run quietly at lower speeds. But as soon as you increase the speed, the unit will start making noise.

Alen T500 is rated for 42 dB noise level rating at lower speeds.

Noise Perception:

For many consumers, the appeal of an air purifier lies not only in its ability to clean the air but also in its unobtrusiveness. A whisper-quiet operation is often desired, especially during activities such as sleeping or working in a quiet environment.

Unfortunately, Alen’s air purifiers, including the T500 model, have been subject to criticism regarding their noise output. While the unit maintains relative quietness at lower speeds, the situation changes as the speed is ramped up to tackle higher levels of air pollution.

Decibel Ratings:

At lower speeds, the Alen T500 boasts a modest 42 dB noise level rating, which falls within an acceptable range for many users. However, it’s when the device is pushed to its highest setting that the real challenge emerges. At this point, the noise level spikes to 56 dB, a significant jump that can be disruptive in quieter environments.

Consumer Response:

This increase in noise at higher speeds has led to dissatisfaction among some users, prompting them to seek quieter alternatives. While the T500 may excel in air purification performance, its audible presence can be a deterrent for those seeking a more serene living or working environment.

The Quest for Quieter Alternatives:

In response to the demand for quieter air purification solutions, the market has seen the emergence of competitors offering products with lower noise levels without compromising on performance. Consumers are increasingly turning to these alternatives in pursuit of a harmonious blend of air quality enhancement and minimal noise disruption.

But as soon as you run it at the highest speed, the air cleaner will start sounding at 56 dB. This dramatic increase puts some people so much that they leave this unit for a quieter alternative.

Alen T500 True HEPA Tower Air Purifier Power Consumption

Some air cleaners by Alen are not Energy Star certified, like the BreatheSmart Classic. But the T500 Tower does come with the Energy Star certification.

Therefore, you immediately know this air purifier will not cost you much regarding power consumption. It also means you can let it run all day long if you need. It consumes less than a watt at low power and up to 53W at full power.

However, even if you compare it with some other units by Alen, you will see a significant difference. It only needs a 120V 2-prong power cord and will run like a charm.

One notable aspect distinguishing the T500 from other air purifiers in the Alen lineup is its Energy Star certification. While some models, such as the BreatheSmart Classic, may not carry this certification, the T500 proudly bears the Energy Star label. This certification serves as a reassurance to consumers that the T500 is designed with energy efficiency in mind, aligning with environmental sustainability efforts and promising lower energy costs over time.

For those conscious about power consumption, the Energy Star certification of the T500 offers peace of mind. It signifies that this air purifier is engineered to operate efficiently, translating into reduced electricity usage and lower utility bills. This is particularly advantageous for users who prefer to keep their air purifiers running continuously, as the T500’s low power consumption ensures minimal impact on energy expenditures.

When examining the power consumption specifications of the Alen T500, it becomes evident that efficiency is a key focus. At its lowest power setting, the T500 consumes less than a watt, making it an energy-sipping appliance suitable for prolonged operation without significant cost implications. Even when operating at full power, the T500 remains relatively efficient, drawing up to 53 watts. This modest power consumption is a testament to the T500’s design, striking a balance between effective air purification and energy efficiency.

Moreover, comparing the power requirements of the T500 with other models within the Alen product range underscores its efficiency. While some units may demand higher power inputs, the T500 stands out for its modest power needs, demonstrating its suitability for energy-conscious consumers. With a simple 120V 2-prong power cord, the T500 is easy to set up and operate, requiring minimal energy input to deliver optimal air purification performance.

Alen T500 True HEPA Tower Air Purifier CADR, ACH, Room Coverage

Alen T500 has a clean air delivery rate (CADR) of 145, while its air change rate per hour is 5 at full speed. Typically, ACH is the rating used to measure an air purifier’s strength and performance capability.

However, if a unit can exchange air within a space about 5 times per hour, it is high-performing. And that’s what the T500 Tower is all about.

CADR is a crucial metric that indicates the volume of clean air delivered by an air purifier within a specific time frame. In the case of the Alen T500, its CADR rating of 145 signifies its effectiveness in swiftly removing airborne contaminants, such as dust, pollen, and smoke, from the air. This makes it suitable for maintaining a fresh and healthy indoor environment, particularly in spaces where air quality is a concern.

Meanwhile, ACH refers to the number of times an air purifier can exchange the air within a given space in one hour. A higher ACH value indicates that the purifier can filter the air more frequently, resulting in improved air quality. With an ACH of 5 at full speed, the Alen T500 demonstrates its ability to rapidly cycle through air, ensuring that pollutants are continuously removed, leaving behind clean and breathable air.

The T500’s exceptional performance is further underscored by its suitability for spaces of up to 500 square feet in area. This means that it can effectively purify the air in medium to large-sized rooms, providing comprehensive coverage and protection against airborne impurities. Whether it’s a bedroom, living room, or office space, the Alen T500 is well-equipped to handle the task with ease, delivering noticeable improvements in indoor air quality.

For consumers seeking alternatives with similar performance capabilities, the AirDoctor 1000 and Dyson HPO4 Air Purifier stand out as worthy contenders. While the AirDoctor 1000 boasts comparable features in a tower design, the Dyson HPO4 offers premium performance albeit at a higher price point. Both options provide viable alternatives for those looking to invest in high-quality air purification solutions.

Additionally, budget-conscious buyers may consider the Levoit Core 300 and Purezone Elite 4-In-1 True HEPA air purifiers as more affordable alternatives. Although these models may not match the T500’s performance and coverage area, they still offer effective air purification at a more accessible price, making them suitable options for smaller spaces or tighter budgets.

Plus, it does all that fit a space that is 500 square feet in area. So, Alen T500 can handle space in your room quite comfortably. It will perform well in any room that is smaller than this area.

Similar performance provides AirDoctor 1000, which is also a tower air purifier. Another good alternative is Dyson HPO4 Air Purifier which we can also call a tower air purifier as it is quite tall. Dyson, though, is another price category. 

Levoit Core 300 and Purezone Elite 4-In-1 True HEPA air purifiers are cheaper alternatives.

Alen T500 True HEPA Tower Air Purifier Maintenance and Usage

Alen T500 True HEPA Tower Air Purifier Controls

As we all know, the T500 Tower comes with True HEPA filters. It means you will not spend much time cleaning the filters.

In addition, these filters can conveniently last for up to 9 months if you use the air purifier daily. So, you will be able to save some of your filter costs as well.

In addition, the unit is not complex. You can conveniently access the filters, clean them, and pack them.

Similarly, using this air purifier’s controls is not complex either. So, it is one of the easiest models to use, and there is an automatic fan feature.

True HEPA Filters: The Backbone of Clean Air

The T500 Tower Air Purifier boasts True HEPA filters, which are renowned for their exceptional ability to trap even the tiniest particles in the air. These filters are a game-changer for those seeking relief from allergens, dust, and pollutants. What’s even better is that you won’t find yourself spending endless hours cleaning them.

One of the standout features of True HEPA filters is their longevity. With regular daily use, these filters can last up to a remarkable 9 months. This translates to significant savings on filter replacement costs over time, making the T500 a cost-effective choice for maintaining clean indoor air quality.

Maintenance Made Simple

Gone are the days of complex maintenance routines. The Alen T500 Tower Air Purifier is designed for convenience and ease of use. Accessing and cleaning the filters is a breeze, allowing you to quickly and efficiently keep your air purifier in optimal condition.

Regular maintenance involves removing the filters, gently cleaning them, and reinserting them into the unit. This straightforward process ensures that your air purifier continues to perform at its best, providing you with fresh, clean air day in and day out.

User-Friendly Controls for Effortless Operation

Navigating the controls of the T500 Tower Air Purifier is as simple as it gets. The intuitive interface allows users to adjust settings with ease, making it one of the easiest models to use on the market. Whether you’re a tech-savvy individual or someone who prefers simplicity, operating this air purifier is a breeze.

Final Thoughts

The T500 Tower by Alen is an excellent choice if you want an air purifier for smaller areas of up to 500 square feet. It can exchange air five times per hour at its highest speed and clean air within half an hour.

Alen T500 is Energy Star certified and will not consume much energy. Therefore, it ultimately means that your utility cost will decrease. However, as it is a tower unit, it will not cover much floor area either.

With True HEPA filters, you will also save some maintenance costs and time cleaning them. Furthermore, this unit is covered under Alen’s lifetime warranty. Therefore, it is a good choice for smaller spaces.

If you want an Alen air purifier for larger spaces, look at BreatheSmart 45i and 75i.

One of the key benefits of the Alen T500 is its utilization of True HEPA filters. These high-efficiency filters are renowned for their ability to capture up to 99.97% of airborne particles, including dust, pollen, pet dander, and mold spores, ensuring that the air you breathe is exceptionally clean and free from harmful pollutants. Additionally, True HEPA filters require less frequent replacement compared to conventional filters, translating to lower maintenance costs and hassle-free operation.

Furthermore, Alen stands behind the quality and durability of the T500 with a lifetime warranty, providing customers with added peace of mind and assurance of long-term performance. This commitment to customer satisfaction underscores the reliability and trustworthiness of the brand, making the Alen T500 a compelling choice for those seeking a dependable air purification solution.

In conclusion, the Alen T500 Tower Air Purifier offers a winning combination of performance, efficiency, and reliability, making it an excellent choice for smaller spaces in need of clean air. With its rapid air exchange rate, energy-saving operation, True HEPA filtration, and lifetime warranty, it provides unmatched value and convenience. However, for larger areas, exploring alternatives like the BreatheSmart 45i and 75i is advisable. Choose the Alen T500 for a breath of fresh air in your home or office, and experience the difference it can make in your indoor environment.

Prices pulled from the Amazon Product Advertising API on:
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