5 Best Air Purifiers with Permanent Filters

Last updated on Mar 7, 2022 Air Purifiers
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You can save yourself from spending big on air purifier filter replacement. Air purifiers have significantly become necessities due to high indoor pollution. Because of the ever-increasing demand, the air purifier market has become wide with thousands of devices. You can now get to choose from a wide selection of some of the best air purifiers with permanent filters.

Purchasing an air purifier might seem the end of frequent expenses going on improving the air quality. Indeed, this is true, but most air purifiers do not give you this privilege. This is because they necessitate maintenance costs, especially filter replacement. The time frame for the replacement may differ depending on the air pollution levels in a house. But most filters wear out within 4-6 months. 

This means on top of paying to acquire an air purifier, you need some money for maintenance. In a long run, if you have to replace filters every 4-6 months, it may not make the air purifier expensive, but also frustrating.

To avoid such expenses, you can get an air purifier with permanent filters. These can operate for up to ten years. You only need to vacuum or wash them periodically. In this article, we provide you with a list of 5 best air purifiers with permanent filters and how they can benefit you. 

Summary Of Our Selected Best Air Purifiers With Permanent Filters

ProductAirdog X5 Ionic Air PurifierHamilton Beach TrueAir Air PurifierWinix 5500-2 Air PurifierPurafide XP280 Air PurifierBlueair Blue Pure 311+ Auto Air Purifier
Room Coverage450 sq. feet160 sq. feet360 sq. feet850 sq. feet388 sq. feet
Filtration levels4-           433
Primary FIlterTPA technologyHEPA filterHEPA filterHEPAHEPA
Auto modeYesNoYesYesYes

Before getting to a detailed list of the best air purifiers, let us first see some of the frequently asked questions. We hope this information can guide you more about air purifiers with permanent filters.

Can You Reuse Air Purifier Filters?

Yes, you can reuse an air purifier filter. But, you should note that not all air purifier filters can be reused. Most filters are not reusable, which means you have to replace when them they wear out. However, there are specific air purifiers with reusable filters. These can be washed or vacuumed and then replaced. Notably, before you reuse air purifier filters ensure they are reusable. You can check this from the user manual or product description. Otherwise, you might risk making your air purifier start malfunctioning.

Are Washable Air Filters Good?

Yes, washable air filters are good. On top of saving you replacement costs, they can effectively filter out 99.97% of airborne impurities. You only need to wash them thoroughly and ensure all the clogged dirt is removed. But, permanent filters should not be confused with washable filters. You do not need to wash permanent filters as you might affect their effectiveness. Generally, permanent filters are cleaned by vacuuming. 

How Long Does a Filter Last in an Air Purifier?

Filter lifespan usually depends on the model or type, but a HEPA filter can last between 6-12 months. Carbon filters can last for about 1-3 months and 3-6 months for pre-filters. The timeframe may be shorter or longer depending on your indoor air pollution levels.

For permanent filters, if handled with care, they can last for up to 10 years. But, you may need to periodically test for their ability to trap pollutants.

Are There Air Purifiers with Permanent Filters?

Yes, air purifiers with permanent filters are there on the market. In this article, we have selected some of the best air purifiers with permanent filters. You can scroll down to check them out.

Best Air Purifiers With Permanent Filters

1. Airdog X5 Ionic Air Purifier

Image showing Airdog X5 Ionic Air Purifier
Airdog X5 Ionic Air Purifier

You can enjoy clean air with a long-lasting Airdog X5 Ionic Air purifier. This air purifier uses TPA technology to trap allergens and other air pollutants. The TPA technology is a filtration technology that uses high voltage (about 30,000) to kill 99.9% of bacteria, mold, and some viruses.

Airdog X5 can remove small particles of up to 0.0146 microns. This means it can effectively remove small airborne particulates.

The filters in this air purifier are washable. They are designed with collecting plates, where the trapped pollutants remain.  These plates are washable and reusable. Subsequently, you can avoid frequent filter replacement expenses.

This high-performing air purifier can cleanse an interior space of up to 450 square feet. It purifies this space three times per hour.

 The noise levels of this air purifier depend on the fan setting. When in sleep mode, it generates 22 dB, 34 dB in medium, and 57 dB under turbo mode.

More so, this air purifier operates automatically. You only need to press the start button, and it will automatically adjust according to air quality. Certainly, this can save energy consumption, which minimizes the energy bills.

Why Airdog X5 Ionic Air Purifier is Good

  • Reusable Filters

If you need an air purifier with filters that can last for a long time, Airdog X5 can help you. This air purifier does not use filters that commonly need replacement after a few months. Instead, it uses non-consumable collecting plates. These are washable plates, which can be reused after cleaning. So, you do not have to stress about filter replacement money.

  • Maintains Good Air Quality

For those who mind about the kind of air you breathe, you can get Airdog X5 air puffier. This air purifier uses TPA technology, which can remove 99.99% of airborne particles as small as 0.0146. Besides, this air purifier can operate automatically. It adjusts itself depending on the air quality status. Therefore, this means your indoor air can be monitored to ensure it  remains safe for your health.

  • Current Air Quality Updates

Airdog X5 Ionic Air Purifier keeps you updated with the level of your indoor air quality. When operating, the air purifier displays the level of pollution in the room. In this case, you can always check for the pollution level to ensure your family’s health is not at risk.


  • Reusable filters
  • Operates quietly on a low fan setting
  • Child lock
  • Good Clean Air Delivery Rate (CADR)
  • Easy to operate


  • Loud on medium and turbo setting
  • Slightly costs much compared to other devices

2. Hamilton Beach TrueAir Air Purifier

Image showing Hamilton Beach TrueAir air purifier
Hamilton Beach TrueAir air purifier

Hamilton Beach is also one of the good air purifiers with permanent filters. The air purifier comes with a permanent HEPA-grade filter. This means you can remove 99% of airborne particles as small as 0.3 microns for a long time with no extra cost.

This air purifier is good for indoor spaces of up to 160 square feet. You can use it in the office, living room, and bedroom.

In addition to its purification abilities, this air purifier is versatile. It can sit horizontally or vertically depending on your preference and where you place it.

Further, you can personalize your indoor air purification using the easy control panel on the air purifier. You can set your unit to work on high, medium, and low depending on the pollution levels. On a low setting, the air purifier becomes quiet.

Why Hamilton Beach TrueAir Purifier with Permanent Filters is Good

  • Low Maintenance Cost

Are you looking for an air purifier that will not stress you with frequent maintenance costs? Hamilton might be good for you. The air purifier comes with a permanent HEPA-grade filter, which can trap pollutants for a long time with no extra cost. This permanent filter is maintained by periodical vacuuming. Basically, you can do the cleaning by yourself, and make your appliance work for a long time.

  • Versatile

In case you need an air purifier that can be placed anywhere in a room, you can consider Hamilton Beach. On top of effective purification, this air purifier is versatile. It can operate both vertically and horizontally. This means it can be placed in a small place and still purify the whole room. It can sit on the bedside tables, or office table without causing inconveniences.  

  • Reduce Allergens

If you are suffering from indoor allergies, Hamilton Beach might help you out. The permanent HEPA-grade filter can capture 99% of indoor allergens. The HEPA filter can reduce airborne pollutants such as pollen, dander, and other small particles of up to 0.3 microns. This will help improve your allergy symptoms.


  • Ultra-quiet
  • Affordable
  • No filter replacement
  • Portable


  • HEPA-grade filter traps fewer pollutants compared to a true HEPA filter, which removes 99.97%

3. Winix 5500-2 Air Purifier

Image showing Winix 5500-2 Air Purifier
Winix 5500-2 Air Purifier

Winix 5500-2 Air Purifier comes with long-lasting filters that can give you good air purification. This is a high-capacity air purifier with the ability to purify rooms of up to 360 square feet.

The air purifier is equipped with washable and permanent filters. These include washable fine mesh pre-filter. This serves as the first line of defense as it traps large particles such as hair. It also has a washable AOC carbon filter. This removes household odors. The true HEPA filter is not permanent nor washable. The plasmaWave technology can also serve you as a permanent filter. All these filters can serve for a long time before having to be replaced.

The air purifier is equipped with the auto mode feature. This uses built-in dual smart sensors to detect and adjust the fan speed. Winix 5500-2 can also give you real-time indoor air quality.

Winix 5500-2 is comfortable and convenient. It comes with a remote, which means you can control it without stepping out of your sofa.

Why Winix 5500-2 Air Purifier is Good

  • Long-Lasting Filters

If you need an air purifier with long-lasting filters, this can also be good for you. The washable filters can serve for over a year. In addition, the plasma wave technology serves as a permanent filter. This means you may not need to replace filters frequently. Ultimately, this saves you from spending big on filter replacement.

  • Gives Your Real-Time Indoor Air Quality

If you are conscious about the kind of air you breathe, you can acquire Winix 5500-2. This air purifier has built-in dual smart sensors. These detect the current indoor air quality and display the information using the LED light. In general, you can easily tell the kind of air you are breathing.

  • Effective Air Purification

For those in need of an air purifier with reliable purification, you can check out for Winix. The air purifier comes with four levels of purification. Apart from being long-lasting, these filters can ensure indoor pollutants are significantly reduced. A combination of pre-filter, carbon filter, True HEPA filter, and plasmawave can minimize the presence of airborne pollutants.


  • Cheap to maintain
  • Sleep mode
  • Auto mode
  • Easy to control


  • No timer

4. Purafide XP280 Air Purifier

Image showing Purafide XP280 Air Purifier
Purafide XP280 Air Purifier

Another good air purifier with long-life filters is Purafide XP280. XP280 comes with 3 levels of filtration. These include a pre-filter, anti-microbial coating, and H13 HEPA filter. A combination of these can reduce indoor air pollutants. The filter is detachable and washable.  

You can replace the filters after every 2 years of consistent operation.

This air purifier is good for large rooms of up to 850 square feet. It means you can use it in the basement, gyms, offices, and at home.

It also comes with intelligent features. This air purifier has an air quality indicator, which updates you with current indoor pollution.

 The air purifier is easy to control. You can control the unit using the touch control buttons.

Why Purafide XP280 Air Purifier Is Good

  • Remarkable Saving

For those who need an air purifier that operates without frequently replacing filters, you can consider having XP280. This air purifier can do the purification for 2 years or 17500 hours. You only need to wash the pre-filter every 3-6 months. Certainly, this helps you enjoy the clean air without frequent expenses on filter replacement.

  • Sleep Comfortably

This air purifier can help have a comfortable sleep. If you have allergies or asthma, this air purifier can help alleviate the symptoms to make you have a better sleep. The three filters in this unit can reduce airborne particulates as small as 0.1 microns. Such particulates may include dust, hair, bacteria, pollen, and mold. When these are reduced, your airways may open up freely, which improves breathing. This helps you have a comfortable sleep.


  • Child lock
  • Air quality indicator
  • Easy to operate
  • Energy efficient


  • No remote control 

5. Blueair Blue Pure 311+ Auto Air Purifier

Image showing Blueair Blue Pure 311+ auto Air Purifier
Blueair Blue Pure 311+ Auto Air Purifier

Another air purifier with long-lasting filters is Blueair Blue Pure 311+ auto. This air purifier has three levels of filtration. These include a washable pre-filter, HEPA filter, and an activated carbon filter.

The filtration system combines electrostatic and mechanical systems. This technology is called HEPASilent filtration. This makes the air purifier’s filters less dense, which makes the device quiet.

The air purifier also entails an auto mode feature. This allows the appliance to automatically adjust to current air quality. It uses built-in air quality sensors.

Blueair Blue Pure 311+ auto is recommended for rooms of up 388 square feet. This means it can be used in offices, and at home.

The air purifier keeps you updated with the real-time air quality. You can get this information from the LED color display on the device. It uses color to show poor, moderate, or good.

Why Blueair Blue Pure 311+ Auto Air Purifier is Good

  • Extended Filter Life

Are you looking for an air purifier that you can use for a long time? Blueair Pure 311 can be good for you. The pre-filter in this air purifier acts as the first line of defense. It removes large particles such as hair and dust that would damage the primary filters. Remarkably, this extends the life of the HEPA and carbon filter. Interestingly, you can vacuum or wash the pre-filter for effective and long-lasting performance.

  • Provides Real-Time Information About Air Quality

If you want to keep updated with the real-time indoor air quality, Blueair might be good for you. The air purifier uses built-in smart sensors to measure indoor air quality. It then displays the air quality status using the LED light colors on the display panel. It changes colors to indicate the status of the air. This gives you control over your indoor air quality.

  • Automatic Purification

Do you want an air purifier that can help you maintain a comfortable environment? Well, Blueair pure 311 can help you with that. The auto mode feature on this air purifier allows it to automatically adjust the fan speed depending on the current air quality. This can give you comfort as air pollutants are removed as soon as possible.


  • Washable filter
  • Low energy consumption
  • Operates quietly on low and medium setting
  • Auto mode


  • Loud on high setting 


To summarize, air purifiers are greatly important due to high levels of indoor pollution. These can help us reduce air pollution, which improves health. However, this should not become a liability in a home due to high maintenance costs. Most air purifiers require frequent filter replacement, which can really stress.

The good news is that such problems can be solved with the right air purifier. Air purifiers with permanent or long-lasting filters can help you minimize expenditure going to air purifier maintenance. The above air purifiers have been selected to help you choose one. Any you choose can help you reduce indoor air pollution with no or less filter replacement costs. Ultimately, this will help you enjoy the purification. 

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