Indoor air quality affects your health every single day. You spend roughly 90% of your life indoors, breathing air that may contain dust, allergens, pet dander, mold spores, and volatile organic compounds. While larger air purifiers effectively clean spacious rooms, compact plugin air purifiers offer targeted solutions for smaller spaces.
These wall-mounted devices plug directly into standard outlets, providing localized air purification where you need it most. Perfect for bathrooms, laundry rooms, pet areas, and small closets, plugin air purifiers tackle odors and airborne pollutants at their source.
Three key benefits of compact plugin air purifiers:
- Space-saving design: No floor space required, fits any outlet
- Targeted purification: Place directly at pollution source for maximum effectiveness
- Budget-friendly: Lower initial cost and energy consumption than full-size units
Welcome to best-air-purifiers.com, your trusted source for honest, evidence-based air purifier reviews. We cut through marketing hype to help you breathe cleaner air.
Whether you’re battling pet odors, seeking allergen relief, or simply wanting fresher air in compact spaces, this guide reveals which plugin air purifier deserves your investment.
What Are Plugin Air Purifiers?
Plugin air purifiers are compact, wall-mounted air cleaning devices that plug directly into standard electrical outlets. Measuring typically 3-8 inches tall, these miniature purifiers differ significantly from portable air purifiers you place on floors or tables.
The confusion around “plug in air purifier” terminology stems from two distinct product categories. Standard portable air purifiers require electrical outlets but sit independently on surfaces. True plugin air purifiers mount directly into wall outlets, occupying no floor or counter space.
These compact air purifier units work by drawing nearby air through internal filtration systems. Most plugin air purifiers use UV-C light technology, ionization, or activated carbon filters to neutralize odors, kill airborne germs, and reduce airborne pollutants in small spaces.
Coverage area represents the critical limitation. “Recommended coverage is 100 sq. ft… Not efficient in larger rooms exceeding 100 sq. ft” according to testing by Best Purifier Guide. This makes plugin air purifiers ideal for bathrooms, small closets, and localized problem areas rather than entire bedrooms or living rooms.
How Plugin Air Purifiers Work
Understanding the technology behind your air purifier helps set realistic expectations for what these compact devices can accomplish.
UV-C Light Technology
Many plugin air purifiers utilize ultraviolet C (UV-C) light to sanitize air passing through the device. This technology works by exposing airborne pathogens to UV-C radiation. The ultraviolet light damages viral and bacterial DNA, preventing these microorganisms from reproducing and spreading.
Research shows UV-C light can effectively neutralize airborne viruses when properly applied. However, effectiveness depends heavily on exposure time and light intensity. “A dose of 75mJ/cm² is needed to kill >99.9% of the COVID-19 virus” according to studies cited by Smart Air. Most compact plugin air purifiers generate lower doses due to size constraints, reducing their effectiveness against viruses compared to professional-grade systems used in hospitals and commercial buildings.
The advantage of UV-C systems in plugin air purifiers: they require no filter replacements beyond the bulb itself. You simply replace the UV-C bulb every 8-12 months to maintain effectiveness. Modern UV-C light systems produce no ozone when properly designed and certified, making them safe for occupied spaces. This makes UV C light technology appealing for low-maintenance air sanitization.
The UV C technology found in these compact units works best in small, enclosed spaces where air passes through multiple times. Bathrooms and closets allow the UV C bulb to process the same air volume repeatedly, increasing total exposure time and improving sanitization effectiveness.
Air Ionizer Technology
Ionizer-based plugin air purifiers release negatively charged ions into surrounding air. These negative ions attach to airborne particles, giving them an electrical charge. Charged particles then attract to surfaces like walls, floors, and furniture through electrostatic forces, effectively removing them from breathable air in your breathing zone.
The EPA notes that ionizers work differently than traditional filters: “Negatively charged ions attach to pollutants, causing them to settle”. This means particles don’t disappear or get destroyed but rather stick to nearby surfaces until you clean them away. This process requires regular dusting and vacuuming to prevent recontamination when particles get disturbed.
Some plug in air purifiers combine ionization with other technologies like UV-C light or activated carbon filters for enhanced performance. The ionization process captures ultra-fine particles that might pass through standard filters, including some volatile organic compounds and fine tobacco smoke particles that escape other filtration methods.
Safety consideration: certain ionizers produce trace ozone as a byproduct of ion generation. Choose models certified to UL 2998 standards, which verify zero ozone emissions through independent testing. Modern plug in purifiers from reputable manufacturers incorporate safety features preventing harmful ozone generation. Always verify certifications before purchasing an ionic air purifier.
Activated Carbon Filters
Carbon filters absorb odors, gases, and volatile organic compounds through a chemical process called adsorption. Air passes through porous activated carbon material, which traps odor molecules and chemical vapors in millions of tiny pores. The activated carbon filter surface area is massive relative to its physical size, allowing effective odor capture.
Plugin air purifiers with carbon filters excel at eliminating pet odors, tobacco smoke, cooking smells, and other unpleasant odors that irritate occupants. However, carbon filter capacity in compact air purifier units is limited by physical size constraints. The small format means less carbon material and shorter filter life compared to larger purifiers. Expect regular filter replacement every 3-6 months depending on odor levels and usage intensity.
The Hamilton Beach 04531GM plugin air purifier uses replaceable carbon filter cartridges. Some models include scented options for additional freshness beyond basic odor removal. This approach works well for small spaces like laundry rooms and bathrooms where odor control is the primary goal. The carbon filters actively absorb molecules rather than just masking smells, providing genuine air quality improvement.
Types of Plugin Air Purifiers
Not all plug in air purifiers use the same technology. Understanding the differences helps you choose the right type for your specific needs.
| Technology | Best For | Pros | Cons |
|---|---|---|---|
| UV-C Sanitizers | Bathrooms, mold prevention | No filters to replace, kills airborne germs | Doesn’t remove particles or odors |
| Ionic Purifiers | Fine particle capture | Silent, filterless operation | Particles settle on surfaces, potential ozone |
| Carbon Filters | Odor elimination | Excellent odor absorption | Regular filter replacement needed |
| Hybrid Systems | Comprehensive small-space cleaning | Addresses multiple pollutants | Higher cost, more maintenance |
UV-C Sanitizers
UV-C plugin air purifiers focus on killing airborne germs, bacteria, mold spores, and airborne viruses through ultraviolet light exposure. These units typically lack traditional filters, making maintenance simple.
Popular models include the GermGuardian GG1000 and GG1100W, both featuring UV-C light technology without ozone production. The compact design makes them suitable for small rooms, bathrooms, and areas where airborne pathogens are a concern.
Best for: Killing airborne bacteria and reducing mold growth in humid areas like bathrooms. Less effective for: Removing dust, pollen, or pet dander (which require physical filtration).
Ionic Purifiers
Ionic plugin air purifiers generate negative ions to charge and remove airborne particles. These filterless designs require minimal maintenance beyond periodic cleaning of collection plates if included.
The ionization process effectively captures very fine particles including some allergens and tobacco smoke. However, particles settle on nearby surfaces rather than being trapped in a filter. Regular cleaning of surrounding areas becomes necessary to prevent recontamination.
Safety note: Verify any ionic air purifier is certified ozone-free. The EPA warns against using ozone generators in occupied spaces, as “ozone can irritate the airways” and doesn’t effectively remove biological pollutants even at concentrations meeting public health standards.
Hybrid Systems
Some advanced plug in air purifiers combine multiple technologies. Hybrid units might incorporate UV-C light, ionization, and activated carbon filters in one compact air purifier package.
The GreenTech Environmental GT50 exemplifies this approach, utilizing multiple air purification methods for broader spectrum air cleaning. These combination systems address both particulate matter and odors, though effectiveness varies by room size and pollution levels.
Trade-off: Hybrid plugin air purifiers typically cost more initially and may have higher maintenance requirements due to multiple components requiring replacement or cleaning.
Top Features to Consider
Selecting the best air purifier for your needs requires evaluating several critical factors beyond marketing claims.
Coverage Area and Room Size
The most important specification for any air purifier is its effective coverage area. Plugin air purifiers excel in small spaces, typically 50-100 square feet maximum.
Using a plug in air purifier in a larger room than its rated coverage area dramatically reduces effectiveness. Air changes per hour drop below recommended levels, leaving much of the room’s air unfiltered. The air quality suffers when purifiers are undersized for their space.
| Room Type | Typical Size | Plugin Air Purifier | Portable HEPA Purifier |
|---|---|---|---|
| Bathroom | 40-100 sq ft | ✅ Excellent choice | Oversized |
| Small closet | 20-50 sq ft | ✅ Perfect fit | Oversized |
| Laundry room | 50-100 sq ft | ✅ Good match | Better for larger rooms |
| Bedroom | 120-200 sq ft | ❌ Too small | ✅ Recommended |
| Living room | 200-400+ sq ft | ❌ Ineffective | ✅ Essential |
| Home office | 100-150 sq ft | ⚠️ Borderline | ✅ Better choice |
Match your plugin air purifier to appropriate spaces:
- Bathrooms (typical size 40-100 sq ft)
- Laundry rooms and utility closets
- Small home offices under 100 sq ft
- Pet feeding areas where odors concentrate
- Vehicle interiors (specialized car plugin air purifiers)
For larger spaces like bedrooms (typically 120-200+ sq ft) or living rooms, consider portable air purifiers with HEPA filters instead. These provide superior clean air delivery rate performance for bigger areas.
Clean Air Delivery Rate (CADR)
CADR measures how much clean air an air purifier delivers per minute. Higher CADR ratings mean faster, more efficient air cleaning. This metric helps compare different purifiers objectively.
Most plugin air purifiers don’t publish CADR ratings due to their small size and limited airflow. This lack of standardized testing makes comparing plug in purifiers challenging. However, understanding CADR helps you evaluate whether a purifier meets your air quality needs.
When CADR ratings are unavailable, rely on:
- Room size recommendations from manufacturers
- User reviews mentioning noticeable air quality improvement
- Third-party testing results when available
- Amazon reviews from verified purchasers
For reference, quality small room air purifiers achieve CADR ratings of 100-150 CFM. Compact plugin air purifiers produce significantly lower air changes due to size and power constraints. This doesn’t make them ineffective – just differently suited for very small spaces.
Filter Type and Replacement
Filter technology determines what pollutants your air purifier can remove and ongoing maintenance costs. Understanding filter life and replacement costs prevents surprises.
True HEPA filters capture 99.97% of particles as small as 0.3 microns, including dust mites, pollen, pet dander, and some airborne viruses. However, few plugin air purifiers incorporate true HEPA filters due to space limitations and airflow requirements. The compact design simply cannot accommodate full-sized HEPA filtration.
Activated carbon filters excel at removing odors, volatile organic compounds, and gases. These porous carbon filters absorb smell molecules effectively. Carbon filter life depends on pollution levels, typically lasting 3-6 months in plugin air purifiers. Heavy odor environments require more frequent filter replacements.
UV-C light bulbs require replacement every 8-12 months. Many models include indicator lights showing when bulb replacement is needed. Some units change color when the filter life expires, providing clear maintenance reminders. This built-in tracking helps maintain optimal performance.
Filterless designs (ionizers and some UV-C units) eliminate ongoing filter costs but may require regular cleaning of internal components to maintain effectiveness. The negatively charged ions or UV light handle purification without consumable filters.
Calculate total ownership costs including filter replacements when comparing purifiers. A low-cost plugin air purifier with expensive proprietary filters may cost more long-term than a pricier unit with affordable replacement filters. Consider the three-year total cost of ownership.
Noise Levels and Sleep Mode
Sound output varies significantly among plug in air purifiers. Some operate silently, while others generate noticeable white noise from fan operation. Noise sensitivity depends on installation location.
For bathroom or laundry room installations, noise is rarely a concern. However, plugin air purifiers near bedrooms or quiet work spaces should operate at low decibel levels to avoid disruption.
Sleep mode features dim or disable indicator lights and reduce fan speeds for quieter nighttime operation. The GermGuardian models include nightlight functions that some users find helpful, while others prefer complete darkness for sleep.
If noise sensitivity is a concern, look for:
- Specified decibel ratings under 35 dB (whisper-quiet)
- User reviews mentioning quiet operation
- Sleep mode or low-speed settings
- Filterless UV-C designs (often quieter than fan-based models)
The lowest setting on most purifiers provides near-silent operation while still delivering air purification benefits.
Energy Efficiency
Plugin air purifiers consume relatively little electricity compared to full-size units. Most draw 5-15 watts, similar to an LED light bulb. This minimal draw makes them economical for continuous operation.
Running a compact air purifier continuously costs approximately $5-15 annually depending on local electricity rates. This minimal energy consumption makes plug in air purifiers practical for 24/7 operation in target areas without worrying about electric bills.
Energy efficient models without fans (UV-C only or ionic) use the least power. Units with fans and multiple technologies consume slightly more but still remain economical. Even models with fans and activated carbon filters remain highly energy efficient compared to full-size purifiers.
Some plugin air purifiers lack on/off switches, requiring you to unplug them when not in use. This design simplifies operation but reduces convenience if you prefer scheduled purification. The continuous operation actually benefits most applications by maintaining consistent air quality.
Best Use Cases for Plugin Air Purifiers
Bathrooms and Powder Rooms
Bathrooms represent the ideal environment for compact plugin air purifiers. High humidity, limited ventilation, and concentrated odors create perfect conditions for these small-space specialists. UV-C technology particularly shines here, as “UV-C light reduces the growth of viruses, molds, and fungi” per GermGuardian specifications. Mount your unit near the toilet or litter box to neutralize odors at their source.
Laundry Rooms and Pet Areas
Laundry rooms concentrate odors from dirty clothes, pet bedding, and detergent fumes. Activated carbon filter plugin air purifiers effectively combat these smells. Place near hampers or pet bedding storage for maximum effect.
For pet owners, mounting a compact air purifier above or near the litter box targets ammonia odors directly. Dogs’ feeding areas similarly benefit from localized odor control. Note: Plugin air purifiers don’t effectively capture larger particles like visible pet hair – regular vacuuming remains essential.
Small Closets and Vehicles
Musty closet odors and shoe smells respond well to plugin air purifier treatment. The confined space allows minimal airflow to cycle through regularly. Some plug in air purifiers are designed for automotive use, connecting to 12V power outlets. The PURE Car Air Purifier 3-in-1 combines purification with USB charging, addressing tobacco smoke, food smells, and traffic air pollution.
When NOT to Use Plugin Air Purifiers
Large Rooms and Open Spaces
Living rooms, master bedrooms, and open-plan areas exceed plugin air purifier capabilities. A 100 sq ft coverage rating means rooms larger than 10×10 feet won’t receive adequate purification. “Not efficient in larger rooms exceeding 100 sq. ft” per Best Purifier Guide testing.
For larger spaces, invest in portable air purifiers with true HEPA filters and appropriate CADR ratings. Models like the Levoit Core 300S deliver superior performance in rooms up to 175-200 square feet.
Severe Allergy or Asthma Sufferers
Individuals with serious allergies or asthma require more robust air filtration. Airborne allergens need true HEPA filtration for effective removal. Most plug in purifiers lack HEPA filters due to size constraints. Medical-grade air purifiers with true HEPA filters and high CADR ratings better serve severe allergy sufferers.
Primary COVID-19 Protection
While UV-C light can neutralize viruses, compact plugin air purifiers shouldn’t be your sole COVID-19 defense. The EPA states: “Air cleaning or filtration is not enough to protect people from COVID-19”. Additionally, the UV-C intensity in most plugin air purifiers is insufficient for reliable viral inactivation. HEPA filter air purifiers provide better viral particle capture, as “HEPA filters capture over 99% of virus-sized particles in a single pass”.
Safety Considerations
Understanding safety aspects ensures your plugin air purifier enhances rather than compromises indoor air quality.
Ozone Generation Concerns
Some air purification technologies generate ozone as a byproduct. Ozone is a lung irritant that can worsen asthma and cause breathing difficulties. The EPA explicitly warns: “Do not use ozone generators in occupied spaces”.
Modern plugin air purifiers from reputable manufacturers incorporate safety features preventing ozone generation. Look for UL 2998 certification (verifies zero ozone emissions), CARB certification, or “ozone-free” claims from established brands.
Avoid devices marketed as “ozone generators.” The EPA confirms: “When used at concentrations that do not exceed public health standards, ozone applied to indoor air does not effectively remove viruses, bacteria, mold, or other biological pollutants”.
UV-C Light and Electrical Safety
UV-C light is dangerous to human skin and eyes. Quality plugin air purifiers contain UV-C bulbs within sealed chambers, preventing direct exposure. Never look directly at exposed UV-C bulbs or use units with damaged housings.
Plugin air purifiers connect directly to electrical outlets. Avoid overloading outlets and don’t use in areas where water spray might contact the unit, outlets with poor connections, or extension cords unless rated for continuous use. Quality units include UL or ETL safety certifications.
Small plugin air purifiers remain accessible to curious pets and children. Choose models with tamper-resistant designs, mount in outlets behind furniture when possible, and ensure UV-C bulbs are securely enclosed.
Maintenance and Filter Replacement
Proper maintenance maximizes your plugin air purifier’s lifespan and effectiveness.
UV-C Bulb Replacement
UV-C light bulbs gradually lose intensity over time. Replace every 8-12 months regardless of whether the bulb still illuminates. “The UV-C bulb changes color to alert you of the exceeded lifespan” in some GermGuardian models. Replacement bulbs cost $15-30. Use only manufacturer-specified bulbs for proper UV-C output.
Carbon Filter Changes
Activated carbon filters saturate with absorbed odors over time. Replace every 3-6 months depending on pollution levels and daily operation hours. Strong persistent odors despite operation signal filter saturation. Replacement filters cost $10-25 for multi-packs.
Ionizer Plate Cleaning
Ionic air purifiers with collection plates require monthly cleaning. Unplug the unit, remove plates per manufacturer instructions, wipe with a damp cloth, and allow complete drying before reinstalling. Models without collection plates rely on charged particles settling on room surfaces, requiring regular dusting and vacuuming.
Exterior Cleaning
Wipe the unit’s surface monthly with a soft, dry cloth. Avoid using water or cleaning chemicals directly on the purifier to prevent electronic component damage.
Comparing Plugin Air Purifiers to Alternatives
Plugin Air Purifiers vs. Portable HEPA Purifiers
Plugin advantages: No floor space required, lower cost ($15-50 vs. $80-300), ideal for targeting specific odor sources, minimal energy consumption.
HEPA purifiers advantages: True HEPA filters capture 99.97% of particles, higher CADR ratings, effective in larger rooms (up to 400+ sq ft), better for allergy sufferers.
Use HEPA portable purifiers for bedrooms and living rooms. Reserve plugin air purifiers for bathrooms, closets, and small supplementary applications.
Plugin Air Purifiers vs. Whole-House Systems
Whole-house air purification integrates with HVAC systems, costing $500-3,000+ with comprehensive home coverage. Plugin air purifiers serve as affordable supplements, addressing specific problem areas like bathrooms and closets without major installation requirements.
Frequently Asked Questions
Are plug-in air purifiers worth it?
Yes, plugin air purifiers are worth it for small spaces under 100 square feet. They effectively address odor and air quality issues in bathrooms, closets, and pet areas where full-size purifiers are impractical. The value depends on realistic expectations – these compact units excel at targeted, localized air treatment but cannot replace full-room air purifiers.
Do plug-in ion air purifiers work?
Plugin ion air purifiers work by generating negatively charged ions that attach to airborne particles, causing them to settle on surfaces. They capture ultra-fine particles effectively but require regular cleaning of surrounding areas. Choose ionizers certified to UL 2998 standards for zero ozone emissions to ensure safety.
Do personal air purifiers work against COVID?
Personal and plugin air purifiers offer limited COVID-19 protection. The EPA states: “Air cleaning or filtration is not enough to protect people from COVID-19”. HEPA filter portable air purifiers outperform compact plugin models, as HEPA filters capture over 99% of virus-sized particles in a single pass while UV-C in plugin purifiers requires multiple passes.
Do air purifiers run up your electric bill?
No, plugin air purifiers consume only 5-15 watts continuously, comparable to an LED light bulb. Annual operating costs range from $5-15 depending on local electricity rates, making 24/7 operation economical and practical.
Do wall plug air purifiers work?
Wall plug air purifiers work effectively for odor elimination in bathrooms and closets, localized air treatment in spaces under 100 sq ft, and supplementing larger purification systems. They don’t work well for whole-room purification, comprehensive allergen removal, or spaces exceeding 100 square feet.
Can you leave an air purifier plugged in?
Yes, plugin air purifiers are designed for continuous operation. Their low power consumption makes 24/7 use economical. Many models lack on/off switches, indicating manufacturers expect continuous use. Constant operation maintains consistent air quality and prevents odor buildup.
Do outlet air purifiers work?
Outlet air purifiers work when properly matched to their applications. UV-C models kill airborne germs but don’t remove particles. Carbon filter models eliminate odors. Ionizers capture fine particles but require regular surface cleaning. Match the technology to your specific need and size the purifier appropriately.
Do mini air purifiers really work?
Mini air purifiers work excellently for their intended purpose – localized air treatment in very small spaces. They eliminate odors in compact areas and reduce airborne germs in small bathrooms. However, they cannot clean air in rooms larger than 100 sq ft or remove allergens as effectively as HEPA purifiers.
Are plug-in air purifiers good?
Plugin air purifiers are good for bathroom odor and mold control, small closet freshness, pet area odor elimination, and supplementing larger air purification systems. They’re poor choices for primary bedroom air purification, comprehensive allergen removal, or COVID-19 protection as sole measure.
Do plug in air sanitizers work?
Plug-in air sanitizers work at killing airborne pathogens including bacteria, viruses, and mold spores. However, compact plugin sanitizers generate lower UV-C intensity than professional systems, requiring longer exposure times. “UV-C light reduces the growth of viruses, molds, and fungi” according to product testing, working best in small, enclosed spaces.
Are plug-in air ionizers safe?
Plug-in air ionizers are safe when UL 2998 certified for zero ozone emissions. The EPA warns against ozone generators, but properly certified ionizers from reputable brands produce no harmful ozone. Choose certified models and verify ozone-free operation for safe use in occupied spaces.
What are the two disadvantages of HEPA filters?
HEPA filters have two main disadvantages: (1) Regular replacement required – filters cost $20-60+ and need changing every 6-12 months as they clog with trapped particles. (2) Don’t remove odors or gases – HEPA excels at capturing particles but requires activated carbon filtration for odors, chemical fumes, and volatile organic compounds. Most plugin air purifiers avoid HEPA filters due to these constraints, using UV-C, ionization, or carbon filtration instead.
Conclusion
Plugin air purifiers fill a valuable niche in comprehensive home air quality management. These compact devices excel at targeted purification in small spaces where full-size air purifiers are impractical or unnecessary.
The best air purifier for your needs matches your specific situation. UV-C models work best for sanitization in humid bathrooms. Carbon filter units tackle persistent odors in laundry rooms and closets. Hybrid systems offer multiple benefits in one compact air purifier package.
Choose plugin air purifiers when you need:
- Odor control in bathrooms, closets, or pet areas under 100 sq ft
- Space-saving air purification without floor space consumption
- Budget-friendly supplemental purification targeting specific sources
- Localized treatment where odors or pollutants concentrate
Consider portable HEPA purifiers instead when you need:
- Whole-room air cleaning in bedrooms or living rooms
- Allergy relief requiring comprehensive particle filtration
- Coverage exceeding 100 square feet
- Primary COVID-19 protection through air purification
Understanding limitations prevents disappointment. Plugin air purifiers cannot replace full-room air purifiers but excel at supplementary, targeted applications. Used appropriately, they meaningfully improve air quality in small spaces at minimal cost.
Start by identifying your most problematic small space. The bathroom with persistent humidity and odors? The closet with musty smells? The laundry room with pet bedding odors? Don’t wait another day – install an appropriately matched plugin air purifier tonight in that targeted location.
Within just a few days, you’ll notice the transformation. Fresh air where stale odors once dominated. Clean-smelling bathrooms that stay fresh between cleanings. Closets you can open without that wave of mustiness.
Take action today – your air quality can’t wait:
Invest in your first plugin air purifier right now for your highest-priority small space. This decision costs less than a dinner out but improves your daily life for months to come. Monitor the results over the coming weeks. Notice the reduction in odors, improved freshness, and better air quality in that targeted area.
Once you’ve experienced results in your initial application, expand strategically to other small spaces benefiting from localized treatment. Combine plugin air purifiers in bathrooms and closets with portable HEPA purifiers in bedrooms and living areas for comprehensive home air quality improvement.
Your health depends on the air you breathe every day – and you spend 90% of your life indoors. Make clean air a priority in every room, starting with the small spaces where compact plugin air purifiers excel. Begin your journey to fresher, cleaner indoor air today, not tomorrow.
Sources
- “Recommended coverage is 100 sq. ft… Not efficient in larger rooms exceeding 100 sq. ft” – Best Purifier Guide, Best Plugin Air Purifier 2024 Expert Reviews
- “A dose of 75mJ/cm² is needed to kill >99.9% of the COVID-19 virus” – Smart Air, How Do UV Light Air Purifiers Work and Can They Kill Viruses?, 2024
- “Do not use ozone generators in occupied spaces” – U.S. Environmental Protection Agency, Air Cleaners, HVAC Filters, and Coronavirus (COVID-19), 2020
- “When used properly, air purifiers can help reduce airborne contaminants, including viruses” – U.S. Environmental Protection Agency, Indoor Air Quality Guidelines, 2020
- “HEPA filters capture over 99% of virus-sized particles in a single pass” – Smart Air, Best Air Purifier for COVID-19, 2024
