What Is The Best Air Purifiers Under $100 [In 2025]

Are you tired of dealing with allergies, pet dander, or just wanting fresher air in your home? An air purifier might be exactly what you need, but many people assume these devices come with a hefty price tag. The good news is that there are plenty of effective options available for under $100 that can significantly improve your indoor air quality.

In this comprehensive guide, I’ll walk you through the five best affordable air purifiers on the market today. Each of these budget-friendly options offers impressive performance without draining your wallet. Whether you’re dealing with pet allergies, seasonal pollen, cooking odors, or just want cleaner air, one of these purifiers could be your perfect solution.

Top 5 Best Air Purifiers Under $100 Review

1. MOOKA Air Purifier for Large Rooms (up to 1076 ft²)

If you’re looking for an air purifier that can handle larger spaces without breaking the bank, the MOOKA Air Purifier is an excellent option. With its ability to cover areas up to 1076 square feet, it’s impressively powerful for its price point.

Key Features

• H13 True HEPA filtration system
• Coverage for areas up to 1076 ft²
• Three-stage filtration (pre-filter, HEPA, activated carbon)
• Ultra-quiet operation at just 20dB
• 4 timer settings (1H/2H/4H/8H)
• 4 fan speed modes (Sleep/Low/Med/High)
• Built-in night light (can be turned off)
• Child lock feature

How It Performs

The MOOKA air purifier stands out for its comprehensive filtration system. The H13 True HEPA filter captures 99.97% of particles as small as 0.3 microns, including pet dander, dust, pollen, and other common allergens. The activated carbon filter effectively tackles odors from cooking, pets, and smoke.

What I particularly appreciate about this model is its versatility. It performs 6 air changes per hour in a 215 ft² room, making it ideal for bedrooms and living spaces. Even in larger areas up to 1076 ft², it still provides at least one complete air change per hour.

Pros

• Excellent coverage area for the price
• True HEPA filtration (not just “HEPA-type”)
• Very quiet operation, especially in sleep mode
• Effective at reducing pet dander and allergens
• Timer function allows for automated operation
• Night light can be turned off for undisturbed sleep
• Energy-efficient design

Cons

• Filter replacements needed every 3-6 months
• Some users mentioned the blue light can be bright at night
• Power adapter is stored with the filter (can be confusing at first setup)

User Experiences

Users consistently praise the MOOKA for reducing dust in their homes and helping with allergy symptoms. Many mentioned that they noticed a significant difference in air quality within just a few days of use. The white noise generated in sleep mode has been particularly appreciated by light sleepers who find it helps them rest better.

One user specifically noted: “Air feels better and apartment is less dusty, as I felt I was continuously having to dust this has lowered the overall carpet cat hair dust to where I can dust once a week.”

2. LEVOIT Core Mini-P Air Purifier for Bedroom

The LEVOIT Core Mini-P is a compact powerhouse that’s perfect for smaller spaces like bedrooms, offices, or nurseries. Don’t let its small size fool you – this air purifier delivers impressive performance where it counts.

Key Features

• 3-in-1 filtration system
• Compact, portable design
• Fragrance sponge for aromatherapy
• Ultra-quiet operation
• Auto-off display for uninterrupted sleep
• Simple one-touch control

How It Performs

Despite its small footprint, the LEVOIT Core Mini-P effectively filters out common pollutants including dust, pet dander, and allergens. The three-stage filtration system includes a pre-filter for larger particles, a main filter for fine pollutants, and an activated carbon filter for odors.

What makes this model stand out is its portability and versatility. You can easily move it between rooms as needed, and the added aromatherapy feature allows you to infuse essential oils for a more pleasant environment.

Pros

• Perfect for small to medium spaces
• Extremely quiet operation
• Energy efficient
• Easy filter replacement
• Bonus aromatherapy feature
• Simple, intuitive operation
• Compact design fits on nightstands or desks

Cons

• Limited coverage area compared to larger models
• No auto mode or smart features
• No timer function
• Not suitable for larger rooms

User Experiences

Users particularly appreciate the Core Mini-P for its quiet operation and effectiveness in small spaces. Many noted significant improvements in allergy symptoms and dust reduction. The aromatherapy feature has been a popular bonus that many users didn’t expect but came to love.

One satisfied customer shared: “This unit is reasonably priced and performs as advertised. It sits on my nightstand and quietly runs day after day, purifying the air in our bedroom. I especially like the small compartment and felt pad that allow us to use some of our essential oils for aromatherapy.”

3. POMORON 4-in-1 Air Purifier with Ionizer

The POMORON air purifier brings advanced technology to the budget category with its 4-in-1 system that includes an ionizer, H13 HEPA filter, UV light, and essential oil diffuser. This combination of features provides comprehensive air purification rarely found at this price point.

Key Features

• 4-in-1 purification system (HEPA, Ionizer, UV, Diffuser)
• H13 True HEPA filter (99.97% efficiency)
• Built-in UV light for additional purification
• Negative ion generator
• Essential oil diffuser
• 8/12/24-hour timer options
• 4 fan speed settings
• Ultra-quiet sleep mode (25dB)
• Covers up to 1250 ft²

How It Performs

The POMORON stands out for its comprehensive approach to air purification. The H13 HEPA filter traps 99.97% of particles as small as 0.3 microns, while the activated carbon layer addresses odors and VOCs. What sets this unit apart is the addition of both negative ion technology and UV light.

The negative ion generator releases ions that attach to airborne particles like dust and pollen, weighing them down so they fall out of the air you breathe. Meanwhile, the UV light adds another layer of purification by targeting bacteria and viruses that might have passed through the filter.

Pros

• Multiple purification technologies in one affordable unit
• Excellent coverage area (up to 1250 ft²)
• Added UV light helps with germs and bacteria
• Ionizer technology for enhanced particle removal
• Essential oil diffuser adds aromatherapy benefits
• Multiple timer settings for convenience
• Very quiet operation in sleep mode

Cons

• Some users may prefer to avoid ionizers (though it can be turned off)
• Slightly taller design than some compact models
• Replacement filters are specific to this model

User Experiences

Users have been impressed with the POMORON’s performance, particularly noting how it helps with seasonal allergies. Many appreciated the ability to turn the ionizer on and off according to their preferences, and the essential oil feature received high marks.

One user with severe allergies reported: “I’ve noticed a significant reduction in my allergy symptoms. With its negative ion technology, I feel confident that the air I breathe is not only cleaner but also sanitized.”

4. LEVOIT Core 200S-P Smart Air Purifier

The LEVOIT Core 200S-P takes affordable air purification to the next level by adding smart features that are typically found only in more expensive models. If you’re looking for convenience and connectivity without exceeding your budget, this option deserves your attention.

Key Features

• 3-in-1 filtration system
• Smart WiFi connectivity
• Compatible with Alexa and Google Assistant
• VeSync app control
• 360° air intake design
• Ultra-quiet operation (as low as 27dB)
• Display off feature for nighttime use
• Covers up to 916 ft²

How It Performs

The Core 200S-P delivers impressive purification capabilities with its 3-in-1 filter system, which includes a nylon pre-filter, high-efficiency activated carbon filter, and a main filter that removes 99.97% of particles as small as 0.1-0.3 microns.

What truly sets this model apart is its smart features. You can control the purifier from anywhere using the VeSync app, adjust settings remotely, and even use voice commands through Alexa or Google Assistant. For a purifier under $100, these connectivity options are remarkably advanced.

Pros

• Smart connectivity and voice control
• Excellent filtration of particles down to 0.1 microns
• Quiet operation suitable for bedrooms
• Easy filter replacement with in-app monitoring
• Remote control via smartphone
• 360° design for efficient air intake
• Display can be turned off completely at night

Cons

• Setup of WiFi features may be challenging for some users
• Requires stable WiFi connection for smart features
• App requires creating an account

User Experiences

Users have been particularly impressed with the Core 200S-P’s performance during challenging air quality situations. One user who returned home after a wildfire noted: “I do believe this air purifier took on a lot of manpower and didn’t take too long for the smell to start dissipating… I am very impressed with it. It does the job very well.”

Many users also appreciate the convenience of the smart features, with one noting: “I can also control it from the app on my phone which is convenient. I don’t even have to get up to put it on sleep and I love that.”

5. MOOKA PR1 Air Purifier with PM2.5 Display

The MOOKA PR1 is the powerhouse of our budget list, offering an impressive coverage area of up to 2200 square feet. With its air quality sensor and specialized pet mode, it provides features usually reserved for premium models at a fraction of the cost.

Key Features

• Coverage up to 2200 ft²
• PM2.5 air quality sensor with display
• Washable pre-filter
• Specialized “Pet Mode”
• 6 adjustable fan speeds
• Timer and child lock functions
• Aroma function for essential oils
• Ultra-quiet sleep mode (26dB)

How It Performs

The MOOKA PR1 distinguishes itself with its comprehensive approach to air purification. The wide sided air inlet design allows for maximum air intake, while the multi-stage filtration system effectively captures pet hair, smoke, PM2.5 particles, and odors.

One of its standout features is the real-time air quality monitoring with PM2.5 display. This allows you to actually see the improvement in your air quality as the purifier works. The auto mode uses this sensor data to automatically adjust fan speed based on current air conditions.

Pros

• Exceptional coverage area for the price
• Real-time air quality monitoring
• Washable pre-filter reduces replacement costs
• Specialized pet mode for pet owners
• Aroma function for essential oils
• Multiple certifications (CARB, ETL, DOE, FCC)
• No ozone or UV light emissions

Cons

• Larger size than some compact models
• Some users reported confusion with the initial “005” air quality reading
• Filter replacements needed every 3-6 months

User Experiences

Pet owners particularly appreciate the PR1’s dedicated pet mode, which increases purification power to better handle pet hair and odors. The washable pre-filter has also been a hit with budget-conscious users who appreciate being able to extend filter life.

One user summarized their experience: “As a pet owner, I was looking for something that could handle pet dander and odors, and this purifier does the job perfectly. The washable filter is a fantastic bonus, making maintenance simple and cost-effective.”

Understanding Air Purifiers: What to Look For Under $100

Before diving into specific products, it’s important to understand what makes a good air purifier, especially in the budget category. When shopping for an air purifier under $100, you’ll want to pay attention to:

• Coverage area: How much square footage can the purifier effectively clean?
• Filtration technology: Does it use HEPA filters? Activated carbon? UV light?
• Noise levels: Will it disturb your sleep or work?
• Size and design: Will it fit comfortably in your space?
• Additional features: Timer functions, night lights, speed settings, etc.

Budget air purifiers may not have all the bells and whistles of their more expensive counterparts, but many offer surprisingly effective filtration and useful features. Let’s explore the top five options that deliver excellent value for under $100.

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Comparing the Top 5 Air Purifiers Under $100

To help you decide which air purifier best fits your specific needs, let’s compare these five models across the most important factors:

How to Choose the Right Budget Air Purifier for Your Needs

With these five excellent options, how do you determine which is right for your specific situation? Consider these factors:

Room Size Matters Most

The most crucial factor in choosing an air purifier is matching it to the size of your space:

• For small bedrooms or offices (under 300 ft²): The LEVOIT Core Mini-P is perfect
• For medium rooms (300-900 ft²): Consider the LEVOIT Core 200S-P or MOOKA Air Purifier
• For large or open spaces (900+ ft²): The MOOKA PR1 or POMORON 4-in-1 would be ideal

Consider Your Specific Air Quality Concerns

Different purifiers excel at different types of filtration:

• For pet owners: The MOOKA PR1 with its dedicated pet mode or the MOOKA Air Purifier
• For allergy sufferers: Any model with a True HEPA filter (all five have this)
• For odor control: Models with substantial activated carbon filters like the LEVOIT models
• For germ concerns: The POMORON with its additional UV light

Think About Placement and Aesthetics

Where will you place your purifier?

• On a nightstand or desk: The compact LEVOIT Core Mini-P
• In a corner of a living room: The MOOKA Air Purifier or LEVOIT Core 200S-P
• In an open-concept space: The powerful MOOKA PR1

Additional Features to Consider

What extras matter most to you?

• Smart connectivity: LEVOIT Core 200S-P
• Aromatherapy: LEVOIT Core Mini-P, POMORON, or MOOKA PR1
• Air quality monitoring: MOOKA PR1
• Timer functions: All five models offer this

Maintenance Tips for Budget Air Purifiers

To get the most from your sub-$100 air purifier, proper maintenance is essential:

1. Replace filters on schedule: Most budget air purifiers need filter replacements every 3-6 months, depending on air quality and usage.
2. Clean pre-filters regularly: If your model has a washable pre-filter (like the MOOKA PR1), clean it monthly to extend the life of the main filter.
3. Position properly: Place your purifier where it has good airflow on all sides (not flush against a wall).
4. Watch for performance changes: If you notice reduced airflow or purification ability, it might be time for a filter change even if it’s before the recommended interval.
5. Keep doors and windows closed: Air purifiers work most efficiently in contained spaces, so minimize the introduction of new pollutants when possible.

Are Budget Air Purifiers Worth It?

You might wonder if air purifiers under $100 can really make a difference. The answer is a resounding yes, with some caveats:

Budget air purifiers can effectively:

• Remove common allergens like dust, pollen, and pet dander
• Reduce odors and some VOCs
• Improve overall air quality in appropriately sized spaces
• Help with mild to moderate allergy symptoms

They may not:

• Cover as large an area as premium models
• Have the most advanced smart features (with the exception of the LEVOIT Core 200S-P)
• Include specialized filters for specific contaminants
• Last quite as long as higher-end models

For most households with standard air quality concerns, these budget-friendly options provide excellent value and noticeable improvements in air quality.

Frequently Asked Questions

1. How often do I need to replace the filters in budget air purifiers?

Most air purifiers under $100 require filter replacements every 3-6 months, depending on your air quality and usage patterns. Homes with pets, smokers, or high pollen counts may need more frequent replacements. Models like the MOOKA PR1 with washable pre-filters can extend the life of the main filter.

2. Can air purifiers under $100 really help with allergies?

Yes, budget air purifiers with true HEPA filters (like all five models we reviewed) can significantly reduce common allergens such as dust, pollen, and pet dander. While they may not completely eliminate allergy symptoms, many users report noticeable improvements, especially when used in appropriately sized rooms with the doors closed.

3. Are air purifiers with ionizers safe to use?

Ionizers like the one in the POMORON model are generally considered safe when used as directed. They work by releasing negative ions that attach to airborne particles, causing them to fall out of the air. Modern ionizers produce minimal to no ozone, but if you have respiratory concerns, you can always turn this feature off and still benefit from the HEPA filtration.

4. How do I know what size air purifier I need for my room?

To determine the right size air purifier, measure your room’s square footage (length × width) and choose a model that covers at least that area. For optimal performance, it’s often recommended to select a purifier rated for a slightly larger area than your actual room size. For reference:

• Small bedroom (10’×10′): 100 ft²
• Medium bedroom (14’×14′): 196 ft²
• Large bedroom/small living room (20’×20′): 400 ft²
• Large living room/open concept area (25’×30′): 750 ft²+

5. Do air purifiers use a lot of electricity?

No, most budget air purifiers are designed to be energy-efficient. They typically consume between 30-100 watts depending on the fan speed, which is similar to a standard light bulb. Running an air purifier 24/7 on a medium setting might add only $3-$6 to your monthly electricity bill, making them quite economical for the benefits they provide.

Conclusion: Breathe Easier Without Breaking the Bank

Clean air shouldn’t be a luxury, and these five air purifiers prove that effective air purification is accessible at affordable price points. Whether you’re dealing with allergies, pet odors, or just want fresher air in your home, one of these models will likely meet your needs without straining your budget.

My top recommendations based on specific needs:

• Best overall value: MOOKA Air Purifier (great balance of coverage, features, and price)
• Best for small spaces: LEVOIT Core Mini-P (compact, effective, and quiet)
• Best smart features: LEVOIT Core 200S-P (connectivity at a budget price)
• Best for large spaces: MOOKA PR1 (massive coverage and air quality monitoring)
• Best multi-technology option: POMORON 4-in-1 (comprehensive purification approaches)

Investing in any of these air purifiers under $100 could significantly improve your indoor air quality and, potentially, your quality of life. The right choice depends on your specific space, concerns, and preferences—but all five options deliver impressive performance for their price point.