Air purifiers are an effective way to improve the air quality in your home. They can help remove pollutants, allergens, odors, VOCs, and other harmful gases, chemicals and particles from the air you breathe.
Unfortunately, most brand-name air purifiers come with a hefty price tag. However, there are some very affordable options available for those on a tight budget.
This article reviews 10 low-cost air cleaners currently available under $25 in 2023, with pros and cons, features and product specifications so you can compare.
It also provides an overview of what to look for when buying a cheap mini air filter, as well as the benefits and limitations of small and portable air purifiers.
10 Budget Air Purifiers That Cost Less Than $25 in 2023
Here are 10 low-cost air cleaners you can find on Amazon right now that are small and portable, easy to operate, and designed to filter harmful particles from that air your breathe.
Keep in mind that their air purification range isn’t that far. They are best positioned in smaller rooms or quiet close to where you spend the most time during the day.
1. hOmeLabs Compact Air Purifier
The hOmeLabs compact air purifier is equipped with a 3-stage filtration system and provides 99.97% efficiency rating in removing airborne particles and odors. It is suitable for smaller spaces such as home offices, bedrooms, dorms or bathrooms and can clean areas up to 84 sq. feet.
The product includes a genuine HEPA/carbon replacement filter that lasts for around 3 months of heavy use. There is an indicator light that signals when the filter needs replacing. The fan settings can be adjusted with a touch of a button while it offers both ultra-quiet low speed and higher fan speed options.
The hOmeLabs mini air filter eliminates unpleasant odors like pet and kitchen smells, cigarette smoke, dust, pollen and other allergens, providing owners with cleaner indoor air to breathe.
Like most small and portable air cleaners, it works best in small rooms and enclosed spaces like cars. Don’t expect it to fully purify the air in larger areas.
Features & Product Specifications:
- Efficient 3-stage filtration system designed for removal of dust, pollen, smoke, and pet odors.
- Comes with a genuine HEPA/carbon replacement filter and an indicator light to signal when a filter replacement is necessary.
- User-friendly adjustable fan settings controlled with just a touch of a button.
- Compact design with product dimensions of 7.8′ x 7.8′ x 12.8′ (L x W x H), making it perfect for smaller spaces such as home offices, bedrooms, dorms, and bathrooms.
- Designed to effectively clean areas up to 84 sq feet.
Pros:
- Portable design that’s simple and quick to set up.
- Provides an impressive 99.97% efficiency in removing airborne particles and odors.
- Offers an ultra-quiet low-speed setting and a higher fan speed option for versatility.
- Effective in eliminating a wide range of unpleasant odors.
Cons:
- Primarily designed for smaller rooms and may not be effective in larger spaces.
- Filter longevity may be compromised with heavy use, possibly requiring replacements as soon as 3 months.
Verdict:
The hOmeLabs air purifier is a compact model that would be good at removing both allergens and odors due to its HEPA/carbon filter combination. Low price and added replacement filter a bonus.
2. Rosekm Air Purifier
The ROSEKM air purifier is designed for use in smaller spaces such as offices, kitchens, bathrooms and bedrooms. It serves a dual purpose: purifying the air and acting as an aromatherapy diffuser.
With a H13 true HEPA filter, it claims to capture up to 99.97% of particles that are 0.3 microns or larger, which includes common pollutants like dust, pollen, pet dander and some odors. One of its notable features is its quiet operation, with noise levels as low as 28dB.
To keep the ROSEKM air purifier working at its best, the manufacturer suggests replacing the HEPA filter every 3 months. They also offer a one-year warranty along with ongoing customer support for the product.
User feedback has been varied. Many appreciate its ability to remove smoke and odors, as well as its quiet functioning. However, a few customers wished for faster operational speeds and said it’s only suitable for small spaces.
Some feedback also pointed to issues with the device turning off or changing settings unexpectedly, though positive experiences with the company’s customer service were also reported.
Features & Product Specifications:
- Compact and portable design, lightweight device weighing only 1.1 pounds.
- Dual functionality as both an air purifier and aromatherapy diffuser.
- H13 True HEPA filter effective in capturing up to 99.97% of particles as small as 0.3 microns.
- Offers whisper-quiet operation with noise levels as low as 28db and an optional blue night light.
Pros:
- Enhances air quality and can add essential oils to the aroma pad.
- Efficient in removing allergens and contaminants like pet dander, dust, pollen, and odors.
- Quiet operation combined with an optional night light.
- Comes with a full one-year warranty and promises lifetime support.
Cons:
- Some customers felt it was more suitable for smaller spaces or desired a faster operational speed.
- A few users reported issues with the unit turning off or changing settings on its own.
- It is advised to replace the HEPA filter every 3 months for optimal functionality.
Verdict:
The ROSEKM air filter uses H13 HEPA filters which are an upgrade on regular HEPA. No carbon filter so less effective for odors, though you can mask them with the aromatherapy diffuser. A cheap and compact option.
3. Frestar Air Filter
The Frestar air purifier is designed to freshen and purify the air in spaces up to 161 sq ft. It uses a brushless DC motor and employs a specific air-duct system combined with turbine air guide technology to enhance air circulation.
The device employs a 3-stage filtration system: this consists of one HEPA filter and two activated carbon filters, collectively capturing up to 99% of air pollutants.
It runs efficiently, using only 5W of power and operates quietly at less than 30dB, making it suitable for bedrooms.
Compact and lightweight, the Frestar air filter can be easily positioned in various locations around your home or at the office. For best results, the manufacturer suggests replacing the HEPA filter every 3-6 months.
Features & Product Specifications:
- Powerful function & efficient design for optimal air purification.
- Incorporates 3-stage filtration using a HEPA filter and carbon filters.
- Portable size with wide coverage, making it versatile for different spaces.
- Size and weight specifications: 4.5 x 6.89 inch & 1lb/455g.
Pros:
- Low noise operation for a peaceful environment.
- Strong turbine air flow for optimal air circulation.
- Comes with a Replacement HEPA Filter.
Cons:
- While the fan operates quietly, the entire unit may vibrate slightly.
- Filter tends to fall out and requires tape to secure.
- Lacks control buttons and remains operational when plugged in.
- Replacement HEPA filters are around half the price of the unit itself.
Verdict
The green Frestar air purifier is a rectangular shape and larger than the previous 2 models. Has both HEPA and carbon filters for extra purification and is very good value at currently under $20. It comes with a replacement filter but like many of these small air cleaners buying replacement filters can add up over the years.
4. Muliap Air Cleaner
The Muliap air purifier is one of the larger designs in this review of low-cost air purifiers under $25, so it’s a bit less portable than the hOmeLabs or ROSEKM models.
This air cleaner uses an H13 HEPA filter, which is usually more effective than regular filters. It captures particles up to 0.3 microns, like dust, pet hair, pollen, mold spores and odors from the surrounding air. For consistent performance, the filter should be changed every 3-6 months, with replacements available using the code B0B62HHM1F.
The Muliap can clean 30-50 M³/H of air, and its operation remains quiet with a noise level of 30dB or less. A bonus feature of this mini air cleaner is the option to add essential oils for aromatherapy.
It’s powered by a USB type C cable and operates at a low energy consumption of 0.12kwh over 24 hours. The product is ozone-free and holds certifications from CE, FCC, and ROHS. It also comes with a 1-year warranty.
Features & Product Specifications:
- Powerful Energy Saving with uses of USB type C cable for power consumption of only 0.12kwh in 24-hour operation.
- Small size design suitable for compact spaces.
- Aromatherapy air purifier with a spot for essential oils.
- High Efficient Filtration of Particles using H13 HEPA filter with Filter Replacement feature.
- Provides 30-50 M³/H air cleaning coverage with a noise level ≤ 30dB..
Pros:
- Portable & fits perfectly on a bedside table.
- Quiet operation with a noise level of 30dB or less.
- Quickly improves air quality whenever it’s switched on.
- Energy-efficient and sustainable with a low power consumption feature.
Cons:
- Spot for essential oils doesn’t close completely.
- Difficulty noticed with the spread of essential oils smell spreading in the air.
Verdict
The Muliap is a bit larger than other low-cost air filters reviewed here, but has a combination H13 HEPA and activated carbon filter for effective air cleaning. Aromatherapy option. Simple white rectangular design, fairly quiet and at a low price.
5. RONGYI Desk Air Filter
RONGYI’s compact desk air filter offers efficient air purification with a H13 grade HEPA filter, providing 99.97% removal of airborne particles as small as 0.3 microns.
It is equipped with a built-in negative ion generator for smoke and dust removal, and it also features a star atmosphere light for added ambiance at night.
The RONGYI air filter measures about 6.8 x 13.3cm, making it portable and easy to use in various rooms or to take on trips. The product also includes an aromatherapy box that can be detached for adding essential oils to diffuse throughout the room.
Features & Product Specifications:
- High-efficiency air purification system equipped with an H13 grade HEPA filter, which removes up to 99.97% of particles as tiny as 0.3 microns from the air.
- Features a negative ion generator aimed at enhancing smoke and dust removal.
- Compact and portable in design, constructed with high-quality ABS and electronic components, and measuring 6.8 x 13.3cm with a weight of 128g.
Pros:
- Delivers high-efficiency purification performance, with a 360-degree air intake system ensuring maximum coverage.
- Sleek and compact design, making it easy to place in various settings.
- The negative ion generator enhances its air cleaning capabilities.
- Comes with a detachable aromatherapy box, allowing users to add essential oils.
Cons:
- The light projection feature probably not to everyone’s taste.
- Some users have raised concerns regarding its effectiveness, particularly in larger spaces.
Verdict:
The RONGYI’s air filter is a slim model with a simple, minimalist design. It has a H13 HEPA filter and a negative ion generator (though the ion output isn’t listed). Aromatherapy and projection light seem unnecessary, though may suit some customers.
6. Boreas Portable Air Purifier
The Boreas air purifier uses medical-grade air filtration and disinfecting technology to clean the air. It works in spaces like cars, bedrooms, kitchens, bathrooms and home offices, covering 54 to 162ft². With a CADR of 1236ft³/h according to the manufacturer, it circulates the air three times every hour.
This air purifier is powered by a USB cord and uses innovative chlorine factor disinfecting technology. It releases millions of ClO₂ molecules per second to remove 99.92% of germs, 96.8% of chemicals like formaldehyde and benzene, and 92.5% of bad odors. Its HEPA and carbon filters captures small particles down to 0.3 microns.
Some users mentioned it might take a few days to see results. A few had issues with the lid. While it can help reduce odors, it might be loud on the highest setting. The Boreas portable air purifier is priced under $25, making it an affordable option.
Features & Product Specifications:
- Medical-grade air purifier tailored for a range of spaces including cars, rooms, and kitchens.
- Provides coverage for areas ranging from 54~162ft² using innovative chlorine factor disinfecting technology.
- Has a CADR (Clean Air Delivery Rate) of 1236ft³/h, ensuring that the air is refreshed three times every hour.
- Utilizes a True HEPA+ Activated Carbon filter system, capturing allergens and pollutant particles as small as 0.3 microns.
Pros:
- Efficiently degrades a variety of odors, including those from cigarette smoke and cooking smells.
- Designed to capture a wide array of allergens and pollutants, including fine particles like pollen and PM2.5.
- Combination true HEPA+ and activated carbon filter to quickly and effectively purify the air through multi-level filtration.
Cons:
- While the product is generally effective, some users have reported a lag of a few days before observing significant results.
- Some design flaws noted by users, including issues with the product’s lid and concerns about the overall durability and noise level at high speed.
Verdict:
The Boreas air purifier is a good looking model that seems quite effective at odor removal for its small size. Not much information on the ‘chlorine factor disinfecting technology’ though. The CADR rating of 1236ft³/h seems highly ambitious for such a small and inexpensive unit.
7. KIKI PURE M1 Air Cleaner
The KIKI PURE M1 air cleaner uses H13 HEPA filtration and UV sterilization to purify the air. It’s suitable for smaller spaces like bedrooms, bathrooms, kitchens and cars.
The device has a 2200mAh battery that can run for 10 hours and is charged with a USB-C cable. The compact design is less than 7 inches tall, made of aluminum, and has two fan speeds that stay below 40dB.
Many customers like its design and portability. However, some found its airflow weaker than expected and questioned its effectiveness since they didn’t notice changes in air quality. The filters are easy to replace. Because of its small size, the KIKI PURE M1 might not work well in bigger spaces.
Features & Product Specifications:
- Incorporates H13 HEPA air purification combined with UV sterilization, providing a comprehensive air cleaning solution.
- Designed to cover an area up to 100 sq ft with its ultra-portable and compact structure.
- Features two adjustable fan speeds to cater to different air purification needs.
- Built with a sturdy aluminum design, the unit stands at less than 7 inches tall and is powered by a 2200mAh battery.
- Offers a high protection efficacy, being 99.97% effective against allergens and odors, with full US certification.
Pros:
- Simple operation facilitated by an easy on/off button and a fan speed toggle.
- Versatility in use makes it perfect for the bedside, cars, or even traveling on airplanes and staying in hotel rooms.
- Battery life is robust and because it doesn’t have to be plugged in you can take this tiny air purifier anywhere.
- Designed in compliance with both EPA and California Air Resources Board regulations, ensuring safety and quality standards.
Cons:
- The airflow output might be less than what some users expect.
- Potential concerns about its effectiveness in larger spaces and clarity on its working efficacy.
Verdict:
The KIKI PURE M1 has a combination H13 HEPA and UV light for germ sterilization. Fits in the palm of your hand and doesn’t have to be plugged in so is highly portable. Customers like its design. small size and the ability to take it anywhere.
8. AIRFEEL Mini Air Purifier
The AIRFEEL compact air purifier uses a three-stage filtration process suitable for personal areas like cars and work desks. Its filters, which include a pre-filter, a true HEPA filter, and an activated carbon filter, capture 99.97% of common air pollutants such as dust, pollen, pet dander, cigarette smoke and bad odors.
This air cleaner is designed for simplicity. It doesn’t have an on/off switch and can be powered by a car charger or laptop using a USB plug. Its compact size, 2.73 x 2.73 x 4.26 inches and 7.2 ounces, allows it to fit in car cup holders and on small coffee tables.
Despite its small size, it effectively covers an area of 107 ft²/10m² according to the manufacturer. There is also an aromatherapy slot, allowing users to introduce their favorite essential oils into the air.
Feedback from users has generally been positive, emphasizing its convenience. However, there have been mentions of loud vibrations. Even with its compact size, the AIRFEEL air purifier is noted for its ability to reduce odors and bad smells efficiently.
Features & Product Specifications:
- Utilizes a 3-stage filtration system, effectively filtering out 99.97% of pollutants like dust, pollen, pet dander, dust mite allergens and mold spores.
- Compact and lightweight design, measuring 2.73 x 2.73 x 4.26 inches and weighing just 7 oz, so it’s easy to carry and fits almost anywhere.
- Designed for small personal spaces, offering coverage of up to 107ft² and ideal for cars and office desks.
Pros:
- A cost-effective solution, more affordable than many similar products at under $20.
- Perfect fit for cup holders in vehicles.
- Designed with multiple power options, it can be connected to a car charger, power bank, computer, or laptop via USB plug.
- Has a built-in aromatherapy slot for introducing essential oils.
Cons:
- While generally quiet, some users have reported noticeable vibrations, and variable efficacy in odor reduction.
Verdict:
The AIRFEEL mini air purifier has a combo HEPA/carbon filter and should work well in compact spaces like the inside of a car, or in small bedroom room or study. Customers say it’s smaller than expected and works well. Currently under $20.
9. Yaindhi Budget Air Filter
The Yaindhi air filter offers a three-stage cleaning process designed specifically for vehicles. Built to capture common pollutants, including cigarette smoke, dust, pollen and PM2.5 particles. The makers claim it eliminate up to 99.3% of such contaminants.
The filter consists of a pre-filter, a true HEPA filter, and an activated carbon filter, working in unison for 360° filtration. Manufacturers say it covers up to 107 ft²/10m² and can purify air in spaces like small rooms within 10 minutes.
With dimensions of 2.36 x 2.36 x 5.2 inches and a weight of 5 oz, this mini purifier is designed to fit easily into a car cup holder. It’s engineered for quiet operation, producing only 18 dB of noise. It also includes a soft 7-color night light.
Feedback from customers is varied, with many appreciating its quiet operation and attractive design. However, some wish it had battery operation and an easier method to find replacement filters.
It’s important to note that the Yaindhi air purifier requires a USB connection for power. While it comes with a USB cable it doesn’t come with a separate adapter, though most people already have these to charge their phones.
The product package contains the air purifier with its pre-installed HEPA filter, a USB cable, a user manual, and a 6-month warranty, with a 30-day return option.
Features & Product Specifications:
- Incorporates a 3 stage filtration system, filtering up to 99.3% of airborne particles including smoke, dust, odors, pollen and PM2.5 particles.
- Silent operational system with ultra-quiet running at 18 dB, accompanied by a soft 7-color night light.
- Robust air circulation capability, covering an area up to 107 ft²/10m².
- Designed to be compact and lightweight with dimensions of 2.36 x 2.36 x 5.2 inches and a weight of just 5 oz.
- Efficient power consumption at a draw of 0.25 amp, powered via a USB port with a USB A to C cable provided.
Pros:
- Easy to operate with its plug-and-play design.
- Ensures a peaceful environment with its quiet 18dB operation.
- Suitable for small spaces such as living rooms, bedrooms, basements, toilets, offices, hotels rooms and fits well into the cup holder of most cars and trucks.
Cons:
- The unit isn’t battery powered or rechargeable.
- Absence of clear information regarding the sourcing of replacement filters.
Verdict:
Small and portable, the Yaindhi is a cheap air filter that would work best in a car or enclosed space like a bathroom or perhaps small dorm room. Not recommended for living rooms or larger areas. At 18dB operating noise level this is the quietest budget air purifier in this review.
10. Malmi Air Filter
The Malmi is a compact air purifier designed to improve air quality in smaller spaces. It uses both activated carbon and HEPA filters to effectively remove small airborne particles.
This air cleaner can eliminate 99.97% of particles as small as 0.3 microns, including common allergens like dust, pollen, and pet dander, as well as smelly odors. It’s powered through standard USB ports and can be plugged in anywhere with a USB connection.
Measuring 4.52 x 6.69 inches and weighing just 1lb, with a small and simple design. When plugged in, it starts automatically and offers 360° purification. The Malmi air filter operates at a quiet level, staying below 25dB, ensuring minimal disturbance to those nearby.
Features & Product Specifications:
- Combines activated carbon and HEPA filters for effective air purification.
- Automatically starts purifying air once plugged in.
- Size and design: 4.52 x 6.69in; lightweight at 1 lb.
- Operates quietly below 25dB.
Pros:
- Efficiently removes 99.97% of 0.3 micron sized airborne particles.
- Ensures low noise for a peaceful environment.
- Makes a thoughtful gift for various occasions.
Cons:
- Not suitable for air cleaning in large spaces.
Verdict:
Similar to the Frestar and Muliap above, the Malmi is a small rectangular air purifier with combination HEPA and carbon filtration. Newer model in 2023 and limited customer reviews on its operation and effectiveness.
Budget Air Purifier Buying Guide: What to Look for in a Low-Cost Air Cleaner
When shopping for a budget-friendly air purifier, there are certain features and factors to consider.
It is important to know the type of filter the purifier uses as this will determine how effective it is at removing pollutants from the air. Some of the most common types include HEPA filters, activated carbon filters and ionizers.
HEPA filters are able to capture and remove particles up to 0.3 microns in size with efficiency ratings up to 99%. Activated carbon filters are designed to absorb odors and chemical gases like VOCs. While ionizers produce negative ions which attach themselves onto airborne particles causing them to fall out of the air onto surfaces where they can be easily vacuumed up or wiped away.
Size is an important factor when considering a mini air cleaner; especially if you want to use it in a confined space like a car cup holder. Weight may be important too if you intend to carry it with you to work or when traveling.
If you want to use one of these budget air purifiers in your bedroom then a listed noise level of 30dB or under would be preferable and not disturb the sleep of most people.
The cost of replacement filters can be a big factor, as these can add up over the years. Also check that filter replacements can be found easily on Amazon for when you need them.
If you’ve decided on a particular model it can make good sense to also buy a couple of extra filters to use in future. In general these should be replaced every 3-6 months, depending on usage and indoor air pollution levels.
Finally, power consumption should be taken into account as some models use more energy than others which will increase electricity bills over time. Though mini air cleaners like these are usually quite low in electrical costs.
Consider features such as filter types and replacements, noise levels, portability and power consumption before making a decision. A good quality budget-friendly model can help to remove harmful airborne contaminants from your indoor air while still being easy on your wallet.
Benefits and Limitations of Cheap Mini Air Purifiers
Benefits:
- Portability: One of the main advantages of mini air purifiers is their portability. Because of their compact size, they can be easily moved from one location to another, such as from your desk to your car. This flexibility ensures that users can have clean air wherever they go without the need for multiple devices.
- Cost-Effective: These devices are usually more affordable than their larger counterparts. For individuals who are budget-conscious but still want the benefits of air purification, cheap mini air purifiers offer a viable solution. The initial purchase price, as well as maintenance costs like filter replacement, are typically much lower than with bigger air purifiers.
- Energy Efficiency: Mini air purifiers often use less power due to their size. This can result in energy savings over time, making them an eco-friendly choice for users concerned about their energy consumption. It also means that when used in settings like a car, they’re less likely to drain the vehicle’s battery quickly.
Limitations
- Limited Coverage: The primary limitation of these purifiers is their coverage area. They are designed for small spaces such as bedrooms, bathrooms, home offices or cars. In larger areas or open spaces, their efficiency can drop significantly, and they will not clean the air as effectively.
- Filter Efficiency: While many mini purifiers employ HEPA filters, the quality can vary among cheaper models. Some might not be as effective in trapping the smallest particles or might need replacement more frequently, leading to hidden costs over time.
- Durability Concerns: Due to their lower price point, some cheap mini air purifiers might not be as durable or long-lasting as pricier models. This means they might break down sooner or require more frequent maintenance. Additionally, they might not come with the same warranty or customer support benefits as higher-end models.
Frequently Asked Questions
What types of air pollutants can a budget air purifier remove?
A budget air purifier can remove a variety of pollutants such as dust, smoke, pollen and pet dander from the air. It can also help reduce odors, mold spores and volatile organic compounds.
How often do I need to change the filter in a low-cost air purifier?
The frequency at which a filter needs to be replaced in a low-cost air purifier depends on the type of filter, its quality and the amount of air it is expected to clean. Generally, it should be checked and changed every 3-6 months for optimal performance.
How much noise does a budget air purifier make while operating?
The noise levels of budget air purifiers can vary depending on the model and type. Generally, these devices produce a low hum or whirring sound while operating, which may range from inaudible to slightly audible.
What is the best way to measure the effectiveness of an air filter?
The best way to measure the effectiveness of an air purifier is to look at its CADR (Clean Air Delivery Rating). This rating indicates the amount of filtered air it can provide per minute. Looking at the type and quantity of pollutants it can remove is also important. Models with extra carbon filters will be more effective for odors and chemical gases.
Is a mini air purifier suitable for large rooms?
Generally no. Small and portable air purifiers are unlikely to be suitable for larger rooms due to their limited effectiveness in filtering out pollutants in bigger spaces.
Which type of air purifier is most suitable for a small room?
The most suitable type of air purifier for a small room is a compact, HEPA filter-based model. This provides effective filtration of airborne particles and can be easily moved from one area to another.
Do budget air purifiers require any special maintenance?
Budget air purifiers may require some maintenance to ensure proper functioning, such as cleaning the filter and replacing it periodically. Additionally, it may be necessary to check the unit for signs of wear or damage and repair or replace any components that are not functioning properly.
Are there any additional costs associated with running a low-cost air purifier?
Generally speaking, the cost of running a cheap air purifier will depend on the type and size of the device. Most models require replacement filters, which can add significantly to the total cost over the years. Additionally, some purifiers have additional features like UV-C lights that increase electricity costs.
Conclusion
For those on a tight budget, it is possible to find a decent portable air filter at a low price. You can also compare them with these new cheap plug-in ionic air purifiers.
Keep in mind though that these 10 budget air purifiers under $25 will all have a relatively limited air cleaning range. They work best in smaller spaces and when positioned quite close to where you’re breathing.
It’s also unrealistic to expect them to offer the same sort of build quality and air purification as more expensive models like the Pro Breeze 5-in-1. There’s no doubt that you can get more effective results if you’re prepared to spend a bit more.
That said, low-cost models like the hOmeLabs compact air purifier, ROSEKM air cleaner, or Muliap air filter are easily portable and offer impressive air cleaning for such a budget price. They are certainly better than having no air purification in your breathing space and you may find they are exactly what you need personally.