If you’re looking for affordable air purifiers that actually perform, I’ve found 11 options under $100 that suit small to medium rooms. They’re compact, quiet, and easy to use, with effective HEPA and activated carbon filters to tackle dust, pollen, and odors. Many come with smart features like app control or sleep modes. Want to discover which models make the cut and how to choose the best for your space? Keep going to find out more.

Key Takeaways

  • Budget air purifiers under $100 effectively filter dust, pollen, and odors using HEPA and activated carbon filters.
  • They are compact, portable, and suitable for small to medium rooms up to 275 sq ft.
  • Many models offer quiet operation (20-22 dB) and user-friendly features like timers and app controls.
  • Regular filter replacements (every 3-6 months) ensure continued performance without high costs.
  • Certified brands provide reliable air cleaning, making affordable options suitable for budget-conscious users.

Our Top Air Purifier Picks

Oransi TrueCarbon AMD-150C Air PurifierOransi TrueCarbon AMD-150C Air PurifierBest Odor RemovalCoverage Area: Up to 275 sq ftFiltration Type: Activated Carbon (TrueCarbon)Smart Controls: NoVIEW LATEST PRICESee Our Full Breakdown
LEVOIT 3-in-1 Air Purifier for Home and BedroomLEVOIT 3-in-1 Air Purifier for Home and BedroomQuiet & CompactCoverage Area: Suitable for bedroom, home, dorm, officeFiltration Type: Pre-filter + Main Filter + Carbon filterSmart Controls: NoVIEW LATEST PRICESee Our Full Breakdown
Air Purifier with HEPA Filter for Large RoomsAir Purifier with HEPA Filter for Large RoomsLarge Room CoverageCoverage Area: Up to 1,076 sq ft (250 sq ft every 15 min)Filtration Type: HEPA (H13 True HEPA)Smart Controls: NoVIEW LATEST PRICESee Our Full Breakdown
GoveeLife Smart Air Purifier with App & Alexa ControlGoveeLife Smart Air Purifier with App & Alexa ControlSmart & App-ControlledCoverage Area: Up to 1,046 sq ftFiltration Type: 3-in-1 (HEPA + Carbon + Pre-filter)Smart Controls: Yes, App & Alexa controlVIEW LATEST PRICESee Our Full Breakdown
LEVOIT 3-in-1 Air Purifier for BedroomLEVOIT 3-in-1 Air Purifier for BedroomTrusted BrandCoverage Area: Suitable for bedroom, kitchen, officeFiltration Type: Pre-filter + Main filter + Activated CarbonSmart Controls: NoVIEW LATEST PRICESee Our Full Breakdown
Levoit Smart WiFi Air Purifier with HEPA FilterLevoit Smart WiFi Air Purifier with HEPA FilterPerfect for BedroomsCoverage Area: Up to 140 sq ft (room size varies)Filtration Type: HEPA + Activated CarbonSmart Controls: NoVIEW LATEST PRICESee Our Full Breakdown
FreAire HEPA Air Purifier for Home and BedroomFreAire HEPA Air Purifier for Home and BedroomEfficient & StylishCoverage Area: Up to 215 sq ftFiltration Type: HEPA + Activated Carbon + Pre-filterSmart Controls: NoVIEW LATEST PRICESee Our Full Breakdown
Air Purifier for Pets HEPA Filter Quiet SleepAir Purifier for Pets HEPA Filter Quiet SleepPet-Friendly ChoiceCoverage Area: Up to 1500 sq ftFiltration Type: HEPA + Activated Carbon + Pre-filterSmart Controls: Yes, App & Alexa controlVIEW LATEST PRICESee Our Full Breakdown
Fulminare True HEPA Bedroom Air PurifierFulminare True HEPA Bedroom Air PurifierUltra-Quiet OperationCoverage Area: Up to 215 sq ftFiltration Type: HEPA + Activated CarbonSmart Controls: NoVIEW LATEST PRICESee Our Full Breakdown
Air Purifiers for Bedroom with Sleep Mode (2 Pack)Air Purifiers for Bedroom with Sleep Mode (2 Pack)Dual Pack ValueCoverage Area: Varies, suitable for bedrooms, small to medium roomsFiltration Type: HEPA + Activated Carbon + Pre-filterSmart Controls: Yes, App & TimerVIEW LATEST PRICESee Our Full Breakdown
Oransi TrueCarbon AMD-200C Air PurifierOransi TrueCarbon AMD-200C Air PurifierHeavy-Duty CarbonCoverage Area: Up to 300-375 sq ftFiltration Type: Granular Activated Carbon + HEPASmart Controls: NoVIEW LATEST PRICESee Our Full Breakdown

More Details on Our Top Picks

  1. Oransi TrueCarbon AMD-150C Air Purifier

    Oransi TrueCarbon AMD-150C Air Purifier

    Best Odor Removal

    View Latest Price

    If you’re looking for an effective air purifier that can handle strong odors and VOCs without breaking the bank, the Oransi TrueCarbon AMD-150C is an excellent choice. It’s designed for spaces up to 275 sq ft, making it ideal for bedrooms, small living areas, or offices. Its dense, 2-inch granular activated carbon filter packs 3.2 pounds of carbon, ensuring maximum absorption of gases like paint fumes, smoke, or gas stove emissions. Certified by third-party labs for VOC removal, it offers reliable, chemical-free filtration. Built in the USA, it emphasizes durability, with a motor engineered for long-term use and no ozone or ionizers, making it safe and effective.

    • Coverage Area:Up to 275 sq ft
    • Filtration Type:Activated Carbon (TrueCarbon)
    • Smart Controls:No
    • Noise Level:No specific dB info, quiet
    • Additional Features:No ozone, made in USA
    • Power Source:Not specified, likely plug-in
    • Additional Feature:Assembled in USA
    • Additional Feature:No ozone production
    • Additional Feature:Patents pending
  2. LEVOIT 3-in-1 Air Purifier for Home and Bedroom

    LEVOIT 3-in-1 Air Purifier for Home and Bedroom

    Quiet & Compact

    View Latest Price

    The LEVOIT 3-in-1 Air Purifier for Home and Bedroom stands out as an ideal choice for anyone seeking an affordable, compact solution to improve indoor air quality. With its proven brand reputation—selling over 6.5 million units worldwide and operating in 35 countries—Levoit is trusted for innovation and reliability. The purifier features a 3-in-1 filtration system that captures dust, pet dander, airborne pollutants, and neutralizes odors with activated carbon. Its small size makes it perfect for bedrooms, offices, or dorms, and it offers quiet operation with an auto-off display for peaceful sleep. Using genuine filters guarantees peak performance and longevity.

    • Coverage Area:Suitable for bedroom, home, dorm, office
    • Filtration Type:Pre-filter + Main Filter + Carbon filter
    • Smart Controls:No
    • Noise Level:Silent during sleep
    • Additional Features:Aromatherapy sponge, quiet
    • Power Source:Plug-in
    • Additional Feature:Compact, desktop size
    • Additional Feature:Aromatherapy sponge included
    • Additional Feature:Quiet sleep operation
  3. Air Purifier with HEPA Filter for Large Rooms

    Air Purifier with HEPA Filter for Large Rooms

    Large Room Coverage

    View Latest Price

    Look for an air purifier with a HEPA filter designed to cover large rooms, like this model that efficiently cleans spaces up to 1,076 square feet. Its compact size (6.69 x 6.69 x 9.84 inches) lets you place it almost anywhere, from desks to corners. It runs quietly at just 22dB, making it perfect for undisturbed sleep, and includes an aroma tray to add essential oils for a calming scent. With 360° surround air intake and H13 True HEPA triple-layer filtration, it captures 99.97% of pollutants like pet hair, pollen, and smoke. Certified by multiple safety agencies, it’s a reliable choice for maintaining cleaner, healthier indoor air.

    • Coverage Area:Up to 1,076 sq ft (250 sq ft every 15 min)
    • Filtration Type:HEPA (H13 True HEPA)
    • Smart Controls:No
    • Noise Level:22dB (quiet)
    • Additional Features:Optional aroma tray, quiet
    • Power Source:Plug-in
    • Additional Feature:360° surround intake
    • Additional Feature:Optional aroma tray
    • Additional Feature:Certified by multiple standards
  4. GoveeLife Smart Air Purifier with App & Alexa Control

    GoveeLife Smart Air Purifier with App & Alexa Control

    Smart & App-Controlled

    View Latest Price

    For anyone seeking an affordable yet smart air purifier, the GoveeLife Smart Air Purifier with App & Alexa Control stands out as a versatile choice. It covers up to 1,046 square feet and has a CADR of 135 CFM, capable of purifying a large room once per hour. The 3-in-1 filter captures 99.97% of particles as small as 0.1 microns, including pollen, smoke, odors, and VOCs. You can control it remotely via a mobile app, Alexa, or IFTTT, with auto, turbo, and sleep modes. Its sensors provide real-time air quality updates, making it a smart, efficient option for maintaining clean air on a budget.

    • Coverage Area:Up to 1,046 sq ft
    • Filtration Type:3-in-1 (HEPA + Carbon + Pre-filter)
    • Smart Controls:Yes, App & Alexa control
    • Noise Level:No specific dB, designed for quiet
    • Additional Features:Air quality monitor, RGB lighting
    • Power Source:Plug-in
    • Additional Feature:App & Alexa control
    • Additional Feature:RGB air quality indicator
    • Additional Feature:Washable pre-filter included
  5. LEVOIT 3-in-1 Air Purifier for Bedroom

    LEVOIT 3-in-1 Air Purifier for Bedroom

    Trusted Brand

    View Latest Price

    If you’re searching for an affordable air purifier that doesn’t compromise on performance, the LEVOIT 3-in-1 Air Purifier for Bedroom stands out as a top choice. It’s certified by AHAM VERIFIDE, ensuring reliable testing and safety, and Levoit’s trusted brand has sold over 6.5 million units worldwide. Its three-stage filtration system efficiently captures lint, pet dander, airborne pollutants, and neutralizes odors with an activated carbon filter. Compact and portable, it’s perfect for bedrooms, offices, or kitchens. Plus, features like auto-off and optional aromatherapy make it versatile and quiet, helping you breathe cleaner, healthier air without breaking the bank.

    • Coverage Area:Suitable for bedroom, kitchen, office
    • Filtration Type:Pre-filter + Main filter + Activated Carbon
    • Smart Controls:No
    • Noise Level:22dB Sleep mode
    • Additional Features:Aromatherapy, auto-off
    • Power Source:Plug-in
    • Additional Feature:AHAM verified
    • Additional Feature:Deep odor neutralization
    • Additional Feature:Portable, versatile design
  6. Levoit Smart WiFi Air Purifier with HEPA Filter

    Levoit Smart WiFi Air Purifier with HEPA Filter

    Perfect for Bedrooms

    View Latest Price

    The Levoit Smart WiFi Air Purifier with HEPA Filter stands out as a top choice for anyone seeking convenient, app-controlled air cleaning in small to medium rooms. Certified by AHAM and verified for performance, it effectively captures over 99.97% of airborne particles, including dust, pollen, and smoke. Its 3-in-1 filter ensures thorough purification, while the 360° intake refreshes a 140 sq. ft. space multiple times per hour. Compact and quiet, it’s perfect for bedrooms or offices. With WiFi connectivity, you can control it remotely via the VeSync app or voice commands with Alexa or Google Assistant, making indoor air quality effortless to manage.

    • Coverage Area:Up to 140 sq ft (room size varies)
    • Filtration Type:HEPA + Activated Carbon
    • Smart Controls:No
    • Noise Level:20-27dB (very quiet)
    • Additional Features:Aromatherapy, Sleep mode
    • Power Source:Plug-in
    • Additional Feature:Voice control compatible
    • Additional Feature:In-app filter monitoring
    • Additional Feature:360° air intake system
  7. FreAire HEPA Air Purifier for Home and Bedroom

    FreAire HEPA Air Purifier for Home and Bedroom

    Efficient & Stylish

    View Latest Price

    The FreAire HEPA Air Purifier is an excellent choice for anyone seeking an affordable yet effective solution to improve indoor air quality in small spaces. Its 3-stage HEPA filtration removes dust, smoke, pollen, pet dander, and odors, capturing particles as small as 0.3 microns. Designed for rooms up to 215 ft², it features dual-channel inlets and 360-degree outlets for efficient purification. Quiet enough for sleep at just 20 dB, it offers a sleep mode that minimizes noise. Plus, with ambient lighting options and aromatherapy compatibility, it not only purifies but also creates a calming atmosphere in your bedroom or living space.

    • Coverage Area:Up to 215 sq ft
    • Filtration Type:HEPA + Activated Carbon + Pre-filter
    • Smart Controls:No
    • Noise Level:Quiet operation
    • Additional Features:Aromatherapy, stylish design
    • Power Source:Plug-in
    • Additional Feature:Dual-channel air inlets
    • Additional Feature:Stylish ambient light
    • Additional Feature:Aromatherapy support
  8. Air Purifier for Pets HEPA Filter Quiet Sleep

    Air Purifier for Pets HEPA Filter Quiet Sleep

    Pet-Friendly Choice

    View Latest Price

    Pet owners and allergy sufferers will appreciate this air purifier’s ability to quietly eliminate pet hair, dander, and odors, creating a more comfortable living space. Covering up to 1500 sq ft, it quickly improves indoor air quality, making it perfect for large rooms. Its three-layer filtration system, including HEPA filters, captures particles as small as 0.3 microns—reducing sneezing, asthma triggers, and smells. Operating at just 22 dB, it’s whisper-quiet for sleep or work. With low energy use, a child lock, and easy filter replacements every 3-6 months, it’s a safe, efficient choice for pet owners seeking fresh, clean air on a budget.

    • Coverage Area:Up to 1500 sq ft
    • Filtration Type:HEPA + Activated Carbon + Pre-filter
    • Smart Controls:Yes, App & Alexa control
    • Noise Level:22dB Sleep mode
    • Additional Features:App control, air quality sensor
    • Power Source:Plug-in
    • Additional Feature:Large 1500 sq ft coverage
    • Additional Feature:Washable pre-filters
    • Additional Feature:30-day replacement policy
  9. Fulminare True HEPA Bedroom Air Purifier

    Fulminare True HEPA Bedroom Air Purifier

    Ultra-Quiet Operation

    View Latest Price

    If you’re looking for an affordable air purifier that fits perfectly in a bedroom or small living space, the Fulminare True HEPA Bedroom Air Purifier is a smart choice. It’s designed for rooms up to 215 square feet and uses an H13 HEPA filter to efficiently capture dust, allergens, pet dander, and pollutants. Its dual-channel technology refreshes the air five times per hour, ensuring a healthier environment. Operating quietly at around 24dB, it’s ideal for light sleepers. Plus, it features a night light, multiple timers, and easy filter replacement, making it perfect for maintaining clean air without disturbance or hassle.

    • Coverage Area:Up to 215 sq ft
    • Filtration Type:HEPA + Activated Carbon
    • Smart Controls:No
    • Noise Level:Very quiet, low dB
    • Additional Features:Timer, night light
    • Power Source:Plug-in
    • Additional Feature:5 timer options
    • Additional Feature:Night lighting feature
    • Additional Feature:Open bottom filter access
  10. Air Purifiers for Bedroom with Sleep Mode (2 Pack)

    Air Purifiers for Bedroom with Sleep Mode (2 Pack)

    Dual Pack Value

    View Latest Price

    For anyone seeking a quiet, effective way to improve indoor air quality without disrupting sleep, these two-pack air purifiers with sleep mode are an excellent choice. Their compact, sleek design fits easily into bedrooms, dorms, or offices, while the 360° air intake ensures thorough purification. They capture 99.97% of airborne particles like dust, pet dander, smoke, and odors with a HEPA filter. The ultra-quiet sleep mode dims the ambient light and runs at just 22dB, perfect for undisturbed rest. Plus, the included fragrance sponge lets you add essential oils for a calming atmosphere, making these purifiers both practical and relaxing.

    • Coverage Area:Varies, suitable for bedrooms, small to medium rooms
    • Filtration Type:HEPA + Activated Carbon + Pre-filter
    • Smart Controls:Yes, App & Timer
    • Noise Level:22dB Sleep mode
    • Additional Features:Aromatherapy, timer, ambient light
    • Power Source:Plug-in
    • Additional Feature:Dual units included
    • Additional Feature:Fragrance sponge for oils
    • Additional Feature:Auto-shutoff timers
  11. Oransi TrueCarbon AMD-200C Air Purifier

    Oransi TrueCarbon AMD-200C Air Purifier

    Heavy-Duty Carbon

    View Latest Price

    The Oransi TrueCarbon AMD-200C stands out as an excellent choice for anyone battling strong odors, smoke, or VOCs in medium-sized rooms. Its heavy-duty, 2-inch granular activated carbon filter packs 3.2 pounds of treated carbon, delivering high absorption capacity without air gaps. Certified by Intertek and AHAM, it effectively targets fumes from smoke, paint, gas stoves, and formaldehyde. Built with a durable motor, it offers reliable, long-lasting performance. Importantly, it produces no ozone, ionizers, or distracting lights, making it safe and quiet for sleep. Designed and assembled in the USA, it combines safety, efficiency, and quality at an affordable price point.

    • Coverage Area:Up to 300-375 sq ft
    • Filtration Type:Granular Activated Carbon + HEPA
    • Smart Controls:No
    • Noise Level:Quiet operation
    • Additional Features:No extra features specified
    • Power Source:Plug-in
    • Additional Feature:No smart device needed
    • Additional Feature:Built-in long-lasting motor
    • Additional Feature:Designed in USA

Factors to Consider When Choosing an Air Purifier Under $100

affordable effective air filtering

When selecting an air purifier under $100, I consider how well it filters out pollutants and whether it’s suitable for my room size. I also look at noise levels, smart features, and how much maintenance it requires. These factors help me find a device that’s effective, convenient, and fits my needs.

Filtration Effectiveness

Ever wonder what makes an air purifier truly effective at cleaning your indoor air? It all comes down to its filtration capabilities. A good purifier should capture particles as small as 0.3 microns, including dust, pollen, and smoke. HEPA filters excel here, removing 99.97% of these airborne particles, which makes a noticeable difference in air quality. Activated carbon filters are equally important—they neutralize odors, fumes, and VOCs, tackling chemical pollutants. For peak performance, look for models with multiple filtration stages—pre-filters, HEPA, and carbon layers—that work together to remove a broader range of pollutants. Also, a well-designed filtration system with airtight seals ensures maximum contact with pollutants and prevents bypassing, boosting overall efficiency.

Room Size Compatibility

Choosing the right air purifier under $100 starts with matching its coverage area to your room size. I always check the rated square footage to verify it matches my space. For smaller rooms up to 150 square feet, a compact unit with a suitable CADR can quickly clean the air. If your room is larger, up to 300 square feet, look for models designed for higher capacity. It’s also essential to confirm the manufacturer’s recommended room size to ensure ideal performance. An air purifier that’s too small for your space may overwork, reducing efficiency, while one that’s too large can be unnecessary and wasteful. By aligning the purifier’s airflow capacity with your room size, you’ll get the best results and maintain cleaner air without stressing the device.

Noise Levels

Since matching your air purifier’s capacity to your room size guarantees efficient cleaning, it’s also important to take into account how loud the unit operates. Noise levels are measured in decibels (dB), with lower dB indicating quieter operation, ideal for bedrooms or sleep spaces. Many models under $100 operate quietly in the range of 20-30 dB in sleep mode, so they won’t disturb your rest. Keep in mind that fans and filters create noise, especially at higher speeds. Look for units with noise-reduction features like sleep modes or sound-dampening materials to keep sound levels down. Choosing a purifier with adjustable fan speeds allows you to balance air cleaning power with quieter operation, making it easier to enjoy clean air without noise distractions.

Smart Features

Smart features can substantially enhance the convenience and functionality of an air purifier, even those under $100. With remote control via smartphone apps, I can monitor air quality and adjust settings from anywhere, saving time and effort. Many models include real-time sensors that automatically optimize purification based on current indoor conditions, ensuring cleaner air without manual intervention. Compatibility with voice assistants like Alexa or Google Assistant allows for hands-free operation, seamlessly integrating the purifier into my smart home system. App features often provide filter status updates, maintenance alerts, and usage reports, helping me keep the device running at peak performance. Some budget-friendly options even offer scheduling and customizable modes, making air purification more efficient and tailored to my needs.

Maintenance Needs

Regular filter replacement is essential to keep an air purifier working effectively, and most models require new filters every 3 to 6 months depending on use. Some purifiers have washable pre-filters that can be cleaned and reused, saving money over time. It’s also helpful if the device has filter indicator lights that notify you when it’s time to replace or clean filters. In environments with high dust, pet dander, or odors, you’ll likely need to change filters more frequently. Proper maintenance, including cleaning the exterior and internal components as recommended by the manufacturer, helps guarantee the purifier’s longevity and efficiency. Staying on top of these needs will keep your air purifier functioning at its best and extend its lifespan.

Frequently Asked Questions

Do Budget Air Purifiers Effectively Remove Indoor Odors?

Yes, budget air purifiers can effectively remove indoor odors, especially if they have a good activated carbon filter. I’ve found that even affordable models target common smells like cooking, pets, and smoke. While they might not be as powerful as high-end units, they still do a decent job for small spaces. Just look for one with a dedicated carbon filter, and you’ll notice a real difference in air freshness.

How Often Should I Replace Filters in Under $100 Models?

Think of your filter as the loyal gatekeeper of fresh air, standing guard inside your purifier. I recommend replacing it every 3 to 6 months, depending on usage and air quality. If you notice a decline in performance or a musty smell, it’s a sign to swap it out sooner. Regular changes keep your purifier working efficiently, ensuring your indoor air stays crisp, clean, and inviting.

Are These Air Purifiers Safe for Children and Pets?

Yes, these affordable air purifiers are generally safe for children and pets when used properly. I always make sure to follow the manufacturer’s instructions and keep the units out of reach of little ones. I also opt for models with non-toxic filters and avoid devices with UV or ozone features that could be harmful. Regular maintenance and proper placement help guarantee a safe environment for everyone.

Can Budget Air Purifiers Handle Wildfire Smoke or Heavy Pollution?

Yes, budget air purifiers can handle wildfire smoke and heavy pollution, but they might not be as effective as higher-end models. I’ve found that some under $100 units with true HEPA filters and activated carbon can markedly reduce smoke particles and odors. However, for severe or prolonged smoke, investing in a more powerful purifier is wise. Still, these budget options are a good starting point for cleaner indoor air during smoky seasons.

Do Cheap Air Purifiers Produce Any Noise During Operation?

Yes, cheap air purifiers can produce noise during operation, but it varies. I’ve noticed some models are quite quiet, especially on lower settings, making them suitable for bedrooms or workspaces. However, higher speeds tend to be louder. If noise is a concern, I recommend choosing a purifier with adjustable fan speeds and reading reviews to find one that balances performance with quiet operation.

Conclusion

Ready to breathe easier without breaking the bank? These top 11 air purifiers under $100 prove you don’t need to spend a fortune for clean air. But which one will truly make a difference in your space? The choice isn’t easy, and the perfect fit might surprise you. Stay tuned—I’ve got the inside scoop coming up that’ll help you pick the best purifier for your needs, all while keeping your wallet happy.

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