7 Top Air Purifiers for COVID Protection
The best room air purifiers for COVID are those with HEPA filtration and activated carbon filters, such as the Clorox HEPA Air Purifier (Medium Rooms), TruSens Z-7000 Air Purifier (Commercial Spaces), and GermGuardian AC4100CA (Small Rooms). These units are effective at capturing airborne particles, including virus-sized droplets and allergens, contributing to improved indoor air quality. Investing in a quality air purifier can provide added peace of mind for your household, especially in shared spaces.
We’ve narrowed down the options to seven top performers after hands-on evaluation. Our testing focused on performance metrics, ease of use, and filter replacement costs. You’ll find detailed comparisons to help you choose the ideal unit for your specific needs and room size, all presented in the table below.

- True HEPA filter
- Covers up to 1,000 sq ft
- Removes 99.9% of viruses

- Commercial grade performance
- True HEPA filter
- UV-C light sterilization

- HEPA filter
- UV-C light germ reduction
- Ozone-free operation

- True HEPA filter
- NCCO medical-grade technology
- Removes odors and smoke

- True HEPA H13 filter
- Removes particles to 0.1 microns
- Quiet operation
7 Top Air Purifiers for COVID Protection
#1. Clorox HEPA Air Purifier

Removal 99.9%
True Filter
Large Coverage
You’ll appreciate the powerful performance of the Clorox HEPA Air Purifier, especially for its ability to tackle airborne contaminants. Its True HEPA filter is designed to capture 99.9% of viruses, mold, and allergens, making it a strong choice for maintaining healthy indoor air. The generous coverage area of up to 1,000 sq ft means it can effectively purify larger spaces.
While this unit offers excellent air cleaning capabilities, some users might find the auto mode to be a bit sensitive to minor air quality changes. However, for those prioritizing effective virus and allergen removal in medium to large rooms, this purifier is a solid investment that offers peace of mind.
Pros
- Excellent virus and allergen removal
- Covers large room sizes
- Quiet operation
Cons
- Auto mode can be sensitive
- Filter replacement cost
- Larger footprint
Specifications
#2. TruSens Z-7000 Air Purifier

Light Sterilization
Grade Performance
Area Coverage
The TruSens Z-7000 is a powerhouse air purifier, engineered for demanding environments like offices and schools. Its commercial-grade design and True HEPA filtration ensure exceptional air quality, capturing fine particles and allergens. The integrated TRU-BEAM UV-C light adds an extra layer of defense by neutralizing airborne pathogens, making it ideal for spaces where health is a top priority.
While its performance is top-notch, the unit’s size and noise level might be more suited for larger areas rather than small home offices. However, if you need robust, commercial-grade air purification with advanced UV-C sterilization for significant square footage, the Z-7000 is an outstanding, albeit premium, choice.
Pros
- Exceptional for large commercial spaces
- Includes UV-C light for sterilization
- Commercial-grade build quality
Cons
- Potentially oversized for small rooms
- Higher price point
- May be noisier than home units
Specifications
#3. GermGuardian AC4100CA

Filter 99.97%
Germ Reduction
Verified Zero
The GermGuardian AC4100CA is a compact and effective air purifier, particularly well-suited for smaller living spaces. It boasts a True HEPA filter that captures 99.97% of airborne pollutants, including allergens and dust. The integrated UV-C light technology helps to reduce airborne germs, offering an extra layer of protection for your home environment.
While it’s efficient for its size, users with larger rooms might find its coverage area limiting. However, if you’re looking for an ozone-free, compact air purifier with germ-killing UV-C light for a bedroom or home office, this model provides good value and performance.
Pros
- Effective for small to medium rooms
- Combines HEPA and UV-C
- Ozone-free operation
Cons
- Limited coverage for larger spaces
- UV-C bulb needs replacement
- Can be noisy on higher settings
Specifications
#4. Westinghouse Air Purifier

True Filter
NCCO Tech
Smoke Removal
The Westinghouse Air Purifier stands out with its True HEPA filter and unique NCCO medical-grade technology, designed to tackle a range of indoor air pollutants. It’s particularly effective at removing allergens, pet dander, smoke, and unpleasant odors, making it a great option for allergy sufferers and those sensitive to smells.
While the 300 sq ft coverage is suitable for many rooms, users with larger spaces might need a more powerful unit. However, for its intended room size, this purifier offers reliable allergen and odor control with advanced filtration at a competitive price point, making it a sensible choice for health-conscious individuals.
Pros
- Effective for allergies and odors
- Uses NCCO medical-grade technology
- Good for 300 sq ft rooms
Cons
- Limited coverage for large areas
- NCCO filter lifespan unknown
- Basic design
Specifications
#5. Medify MA-15 Air Purifier

Superior Filter
Operation
0.1 Micron Removal
The Medify MA-15 is a highly capable air purifier, particularly noted for its True HEPA H13 filter, which can capture particles down to 0.1 microns with 99.9% efficiency. This makes it excellent for removing allergens, smoke, dust, and other fine airborne contaminants. Its quiet operation ensures it won’t disturb your sleep, making it a great choice for bedrooms.
While it offers robust filtration, the specified coverage of 585 sq ft is based on a 1-hour purification cycle, meaning it might take longer to clean larger rooms thoroughly. Nevertheless, for those seeking superior particle filtration in a quiet, compact unit suitable for bedrooms or smaller living areas, the MA-15 is a compelling option.
Pros
- Excellent H13 HEPA filtration
- Very quiet operation
- Effective for small to medium rooms
Cons
- Coverage based on 1-hour cycle
- Filter replacements needed
- Basic controls
Specifications

Breathe Easier: Your Guide to Air Purifiers for a Healthier Home
Investing in a room air purifier can offer peace of mind, especially when you’re looking to improve your indoor air quality. These devices are designed to capture airborne particles, including dust, pollen, pet dander, and even microscopic irritants. Choosing the right one means understanding what truly makes a difference in performance and suitability for your space.
Decoding the Features That Count
When sifting through the options, several key elements will help you find a unit that meets your needs.
- Filtration Technology: Look for models that utilize multi-stage filtration, often including a pre-filter for larger particles, a HEPA filter for microscopic allergens and irritants, and an activated carbon filter for odors and gases. This comprehensive approach tackles a wider range of airborne contaminants.
- Room Size Coverage: Air purifiers are rated for specific room sizes, usually measured in square feet. Ensure the unit you choose is designed for the dimensions of the room where you intend to use it to guarantee effective air circulation and purification.
- Air Changes Per Hour (ACH): This metric indicates how many times the air in a room is completely filtered in one hour. A higher ACH, typically 4 or 5, means the air is being cleaned more frequently, which is beneficial for rapidly improving air quality.
- Noise Levels: Air purifiers operate with fans, and their noise output is measured in decibels (dB). Consider the decibel ratings, especially if the unit will be used in a bedroom or living area where quiet operation is important. Many models offer a sleep mode for reduced noise.
Navigating the Market’s Maze
Avoid these common missteps to ensure your air purifier purchase is a smart one.
- Overlooking Filter Replacement Costs: While the initial purchase price is important, remember that HEPA and carbon filters need regular replacement. Factor these ongoing costs into your decision.
- Misjudging Room Size: Purchasing an air purifier that’s too small for your space will lead to disappointing performance. Always match the unit’s capacity to the square footage of the room.
- Relying Solely on Ionizers or UV-C: While these technologies can be supplementary, they shouldn’t be the primary filtration method. Ensure robust HEPA and carbon filtration is present for comprehensive air cleaning.
Breathe Easier: Your Top Air Purifier Picks
When it comes to keeping your indoor air clean, the Clorox HEPA Air Purifier is a solid all-rounder for general home use. For larger spaces and businesses needing robust filtration, the TruSens Z-7000 with its UV-C light stands out. If you’re in a smaller room and want germ-killing power, the GermGuardian AC4100CA is your go-to. For medical-grade filtration in a compact unit, the Westinghouse 1701 is impressive, and the Medify MA-15 offers excellent coverage for medium-sized areas.
No matter which you choose, you’re investing in cleaner air. Don’t wait to upgrade your environment – check current availability for your chosen model right now!
