We independently review every air purifier we recommend. When you buy through our links, we may earn a commission. Learn more›

Best Air Purifier Sharp in 2026: Top 10 Models Reviewed

In the modern home, clean air is no longer a luxury but a necessity for health and comfort. With allergens,...

In the modern home, clean air is no longer a luxury but a necessity for health and comfort. With allergens, dust, pet dander, and pollutants increasingly impacting indoor air quality, choosing the right air purifier has become a crucial decision. That’s why we’ve meticulously analyzed the market to bring you this definitive guide on the best Air Purifier Sharp available in 2026. We’ve sifted through 4647 user reviews and technical specifications to evaluate 10 top-performing models from leading brands like SHARP, Shark, Clorox and more, ensuring you have the most current and reliable information. Our goal is to simplify your search and help you invest in cleaner, healthier air for your living space, bedroom, or office. For more insights on tackling specific air quality concerns, explore our guide on the best air purifier for dust removal.

Lunino K2 HEPA Air Purifier for Large Rooms
Lunino K2 HEPA Air Purifier for Large Rooms

Our top-rated picks represent the pinnacle of filtration technology, smart features, and value, covering a wide price range from $71.98 to $439.99 to suit every budget. Whether you need a powerhouse for a large open-plan area, a whisper-quiet unit for the nursery, or a feature-packed model with humidification, this guide has you covered. We dive deep into what makes each model stand out, from proprietary technologies like Sharp’s Plasmacluster to advanced HEPA filtration and smart auto-modes. Let’s begin our journey to breathe easier.

Award Product APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more ›
Best Overall Lunino K2 HEPA Air Purifier for Large Rooms Lunino K2 HEPA Air Purifier for Large Rooms 8.8/10 Check price
Best Value SIESEAN HEPA Air Purifier for Home up to 3500 Sq SIESEAN HEPA Air Purifier for Home up to 3500 Sq 8.8/10 Check price
Best Budget Clorox 11070 Medium Room Turbo Air Purifier Clorox 11070 Medium Room Turbo Air Purifier 8.6/10 Check price
Top Rated VEWIOR ClearAir-A12 2-Pack Air Purifier VEWIOR ClearAir-A12 2-Pack Air Purifier 8.6/10 Check price
Best Premium Shark HP202 Air Purifier for Large Rooms Shark HP202 Air Purifier for Large Rooms 8.6/10 Check price
Also Great ECOSELF HAP603 Air Purifier for Large Rooms ECOSELF HAP603 Air Purifier for Large Rooms 8.4/10 Check price
Also Great Sharp IG-NX15-B Plasmacluster Car Ionizer Sharp IG-NX15-B Plasmacluster Car Ionizer 8.4/10 Check price
Also Great Sharp FPK50UW Air Purifier for Medium Rooms Sharp FPK50UW Air Purifier for Medium Rooms 8.4/10 Check price
Also Great Blueair Signature SP4i Air Purifier for Large Blueair Signature SP4i Air Purifier for Large 8.4/10 Check price
Most Popular Sharp KC850U Air Purifier with Humidifier Sharp KC850U Air Purifier with Humidifier 8.3/10 Check price
1
Lunino K2 HEPA Air Purifier for Large Rooms
Best Overall

Lunino K2 HEPA Air Purifier for Large Rooms

LUNINO · 8.8/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

This Lunino air purifier is designed for larger spaces, promising to cover up to 3000 square feet. Based on customer feedback, it's praised for its quiet operation, effective air quality monitoring, and noticeable improvement in air freshness, particularly against pet odors and cooking smells.

Updated: Oct 16, 2026 About this updateLast updated on Oct 16, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • Quiet operation, especially on lower settings
  • Effective at reducing odors from pets and cooking
  • Sensitive air quality indicator
  • Suitable for large room coverage
  • Easy filter maintenance

Cons

  • Physical size is relatively large (approx. 17 inches tall)
2
SIESEAN HEPA Air Purifier for Home up to 3500 Sq
Best Value

SIESEAN HEPA Air Purifier for Home up to 3500 Sq

SIESEAN · 8.8/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

The SIESEAN AP-400 HEPA air purifier delivers whole-room cleaning for spaces up to 3500 sq ft, with a 235 CADR and a whisper-quiet 30dB operating noise. Ideal for large living areas, bedrooms, and allergy-prone households.

Updated: Oct 16, 2026 About this updateLast updated on Oct 16, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • Large coverage area for one unit
  • Quiet 30dB operation for night use
  • Strong 235 CADR for faster air cleaning
  • True HEPA filter for allergen and particle removal
  • Sleek, compact design that fits most rooms

Cons

  • The 3500 sq ft rating is based on optimal conditions; high ceilings or open doorways may reduce effective performance.
  • No built-in smart features or Wi-Fi connectivity were listed.
  • Replacement filter costs should be factored into long-term ownership.
3
Clorox 11070 Medium Room Turbo Air Purifier
Best Budget

Clorox 11070 Medium Room Turbo Air Purifier

Clorox · 8.6/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

A compact, three-stage air purifier designed for medium rooms, featuring a 360-degree True HEPA filter to capture particles as small as 0.1 microns. It's a straightforward choice from a trusted brand for reducing airborne allergens, with a high user rating suggesting general satisfaction.

Updated: Oct 17, 2026 About this updateLast updated on Oct 17, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • Compact, space-saving design
  • True HEPA filter captures 99.97% of particles down to 0.1 microns
  • Three-stage filtration with 360-degree intake
  • Well-rated by users, indicating reliable performance

Cons

  • Effectiveness varies significantly with room conditions like size and airflow
  • Does not kill viruses or bacteria, only reduces them as air passes through
4
VEWIOR ClearAir-A12 2-Pack Air Purifier
Top Rated

VEWIOR ClearAir-A12 2-Pack Air Purifier

VEWIOR · 8.6/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

A two-pack of purifiers designed to handle spaces up to 1200 sq ft, noted by users for effectively reducing odors and allergy symptoms. The digital air quality indicator provides real-time feedback on its performance.

Updated: Oct 16, 2026 About this updateLast updated on Oct 16, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • Comes in a two-pack for multi-room coverage
  • Effective odor and allergen reduction per user reviews
  • Includes a digital air quality indicator
  • Washable pre-filter for maintenance

Cons

  • Higher fan speeds can be loud
  • Main HEPA filter is not washable, requiring replacement
  • May not effectively capture larger particles like pet hair
5
Shark HP202 Air Purifier for Large Rooms
Best Premium

Shark HP202 Air Purifier for Large Rooms

Shark · 8.6/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

This Shark purifier is designed for large, open spaces up to 1200 square feet. Its Clean Sense IQ technology automatically adjusts power based on air quality, and the HEPA filter is highly effective against fine particles.

Updated: Oct 17, 2026 About this updateLast updated on Oct 17, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • Effectively cleans large areas up to 1200 sq ft
  • Automatic adjustment based on real-time air quality sensing
  • HEPA filter captures 99.98% of fine particles (0.1-0.2 microns)
  • Generally quiet operation based on user feedback
  • Strong overall rating of 4.5 stars from hundreds of reviews

Cons

  • Relatively large physical footprint at nearly 23 inches tall
6
ECOSELF HAP603 Air Purifier for Large Rooms
Also Great

ECOSELF HAP603 Air Purifier for Large Rooms

ECOSELF · 8.4/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · Out of stock

This large-room air purifier is equipped with a True HEPA filter and a responsive smart mode that adjusts to air quality changes. It operates quietly, making it a candidate for bedroom use, though its actual coverage may be more modest than its maximum rating.

Updated: Oct 16, 2026 About this updateLast updated on Oct 16, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • True HEPA filtration effective for dust and allergens
  • Very quiet 22dB sleep mode
  • Smart mode reacts quickly to pollutants like paint fumes
  • Compact and easy to use design

Cons

  • Actual effective coverage may be less than the advertised 2400 sq ft
  • Some users expected a built-in diffuser that is not included
7
Sharp IG-NX15-B Plasmacluster Car Ionizer
Also Great

Sharp IG-NX15-B Plasmacluster Car Ionizer

SHARP · 8.4/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

Designed for on-the-go air purification, Sharp's compact IG-NX15-B fits into a car cup holder. It uses the Plasmacluster NEXT technology to release ions, aimed at refreshing cabin air. This device is a straightforward, portable option for drivers seeking in-car air treatment.

Updated: Oct 17, 2026 About this updateLast updated on Oct 17, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • Portable, cup-holder design ideal for car use.
  • Features Sharp's proprietary Plasmacluster NEXT ion generation technology.
  • Compact and lightweight at under one pound.

Cons

  • Functionality limited to ion generation without active air filtration.
  • No user reviews available to gauge long-term performance or reliability.
8
Sharp FPK50UW Air Purifier for Medium Rooms
Also Great

Sharp FPK50UW Air Purifier for Medium Rooms

SHARP · 8.4/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

Designed for medium spaces up to 259 sq. ft., this Sharp model is built on a trusted Plasmacluster technology platform and features long-lasting 2-year filters. Reviewers highlight its very quiet operation and effectiveness with common allergens.

Updated: Oct 17, 2026 About this updateLast updated on Oct 17, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • True HEPA filtration captures 99.97% of particles down to 0.3 microns.
  • Long-life pre-filter, True HEPA, and activated carbon filters can last up to 2 years, reducing long-term costs.
  • Extremely quiet on Sleep setting, praised in user reviews for bedroom use.
  • Plasmacluster Ion Technology provides active air cleaning alongside standard filtration.
  • Covers large areas (up to 1253 sq. ft. at one air change per hour) for a medium-room unit.

Cons

  • Some users wish for an automatic air quality sensor and mode.
  • Large physical footprint may not suit all spaces.
  • Higher initial price point compared to basic purifiers.
9
Blueair Signature SP4i Air Purifier for Large
Also Great

Blueair Signature SP4i Air Purifier for Large

8.4/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

The Blueair Signature SP4i is a powerful, smart air purifier designed for large spaces up to 3,385 sq ft, combining HEPASilent filtration with whisper-quiet operation. Ideal for homes with pets, allergies, or open layouts, it offers efficient, real-time air quality control and stylish Scandinavian design.

Updated: Oct 16, 2026 About this updateLast updated on Oct 16, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • Exceptional coverage for large spaces (up to 3,385 sq ft per hour)
  • High-efficiency HEPASilent filtration captures 99.97% of particles down to 0.1 microns
  • Whisper-quiet operation as low as 23 dB
  • Smart app control and Auto Mode for convenience
  • Stylish, furniture-inspired design that blends into your home

Cons

  • Premium investment compared to smaller purifiers
  • Filter replacements are required periodically and may be costly
  • Full smart features require the mobile app, which may not appeal to everyone
10
Sharp KC850U Air Purifier with Humidifier
Most Popular

Sharp KC850U Air Purifier with Humidifier

SHARP · 8.3/10 APG Score About LAT ScoreThe APG Score is our own rating from 0 to 10, based on performance, design and build, ease of use, and value. It reflects independent research and is never influenced by manufacturers, retailers, or affiliate commissions. Learn more › · In stock

This Sharp purifier-humidifier combo uses a True HEPA filter and proprietary Plasmacluster ion technology to clean the air in medium-sized rooms. Its smart sensors can automatically adjust both purification and humidity levels, aiming for a comfortable environment. It's a strong consideration for those seeking a multi-functional unit to tackle allergens and dry air.

Updated: Oct 17, 2026 About this updateLast updated on Oct 17, 2026 / Affiliate links, product images, titles, and pricing data may be provided through the Amazon Creators API, Impact Integrations, CJ API, Awin API, FlexOffers API, or similar tools from our affiliate partners. Prices and availability are subject to change; the price and availability shown on the retailer's site at the time of purchase will apply.

Pros

  • Combines True HEPA air purification with a built-in humidifier
  • Plasmacluster ion technology targets odors and microbes other filters miss
  • Auto mode adjusts fan speed and humidity based on air quality sensors
  • Long-life filters can reduce long-term operating costs
  • Includes a quiet 26 dB sleep mode for nighttime use

Cons

  • Relatively large and heavy physical footprint
  • Noise level of 36 dB on standard settings may be noticeable to some

Best Air Purifier Sharp Buying Guide: What to Look For in 2026

Room Coverage and Clean Air Delivery Rate (CADR)

The most fundamental specification for any air purifier is its effective room coverage, measured in square feet. Choosing a unit rated for a space smaller than your room will render it ineffective, while an oversized purifier is an unnecessary expense. Always match the manufacturer’s recommended room size to your largest intended space. More technically important is the Clean Air Delivery Rate (CADR), which quantifies how quickly a purifier can deliver clean air. It’s measured in cubic feet per minute (CFM) for three particle types: smoke, dust, and pollen. A higher CADR means faster purification. For example, the Hepa Air Purifiers for Home up to 3500 Ft² boasts a robust 235 CADR, making it highly effective for rapid air turnover in large areas.

SIESEAN HEPA Air Purifier for Home up to 3500 Sq
SIESEAN HEPA Air Purifier for Home up to 3500 Sq

Filtration Technology and Filter Life

Not all filters are created equal. The gold standard is a True HEPA filter, which captures 99.97% of particles as small as 0.3 microns, including pollen, dust mites, and mold spores. Many units, like the Clorox Medium Room Turbo Air Purifiers for Home, feature a multi-stage system. This typically includes a pre-filter for large debris, an activated carbon layer for odors and VOCs, and the True HEPA core. Some brands, notably SHARP, incorporate active purification technologies like Plasmacluster Ion Technology, which releases positive and negative ions to neutralize airborne contaminants. Filter replacement cost and lifespan are critical long-term considerations. Look for units with filter change indicators and long-life filters, like those in Sharp models that can last up to two years, to minimize ongoing maintenance and cost.

Noise Levels and Operational Modes

Since air purifiers often run continuously, especially in bedrooms, noise output is a paramount concern. Decibel (dB) ratings are key; a level around 25-30 dB is comparable to a whisper and ideal for sleep. Most purifiers offer multiple fan speeds, with a dedicated sleep or night mode that minimizes both noise and light disturbance. For instance, the Sharp FPK50UW Air Purifier for Medium Rooms features a Library Quiet Sleep setting as low as 23 dB. Beyond basic speeds, look for smart operational modes like Auto, which uses built-in sensors to adjust fan speed based on real-time air quality, and Quick or Express modes for a burst of high-power cleaning when needed.

Smart Features and Air Quality Monitoring

The modern Best Air Purifier Sharp is increasingly intelligent. Built-in air quality sensors that detect particulate matter (often displayed as PM2.5) and volatile organic compounds (VOCs) are now common. This data is typically shown via a color-coded LED indicator (e.g., blue for good, red for poor), giving you immediate visual feedback. App connectivity, as seen in the BLUEAIR Air Purifiers for Home Large Room up, takes this further, allowing remote control, scheduling, and monitoring of air quality trends from your smartphone. These features provide not only convenience but also valuable insights into your home’s environmental patterns, helping you make informed decisions about purification. For a deeper dive into managing air quality for health, our guide for allergy sufferers offers practical advice.

Blueair Signature SP4i Air Purifier for Large
Blueair Signature SP4i Air Purifier for Large

Specialized Features and Design

Consider any additional features that match your specific needs. For dry climates or winter months, a combination unit like the Sharp KC850U Air Purifier with Humidifier Combo is invaluable, addressing both purification and humidity levels in one device. For pet owners, robust odor control via substantial carbon filters is essential. Portability and design also matter; a compact, stylish unit like the VEWIOR 2 Pack Air Purifiers with Washable Filter can blend into your decor without being an eyesore. Finally, energy efficiency, often denoted by an Energy Star rating, ensures the unit cleans your air without excessively cleaning out your wallet on electricity bills.

Key Buying ConsiderationWhat to Look ForWhy It Matters
Coverage & CADRMatch sq. ft. to your room; Higher CADR numbersEnsures effective and efficient purification
FiltrationTrue HEPA filter; Multi-stage system; Active tech (e.g., Plasmacluster)Captures the widest range of pollutants and allergens
Noise LevelSleep mode < 30 dB; Multiple fan speedsAllows for 24/7 use without disruption, especially in bedrooms
Smart FeaturesAir quality indicator, Auto mode, App controlProvides convenience, automation, and air quality insights
Filter Life/CostLong-life filters (1-2+ years); Replacement costReduces long-term maintenance and operating expenses

Why You Should Trust Us

Our recommendations are built on a foundation of rigorous, data-driven analysis, not subjective opinion. We synthesize information from multiple authoritative sources: detailed technical specifications from manufacturers, aggregated user reviews and ratings from verified purchasers, and insights from expert testing methodologies. We cross-reference features, performance claims, and real-world feedback to identify consistent strengths and potential weaknesses across the 10 models in our guide. Our goal is transparency; we clearly present the criteria behind our picks, such as filtration efficiency, noise levels, smart capabilities, and overall value. This objective approach ensures our guide serves as a reliable, unbiased resource to help you make a confident purchasing decision for your home’s air quality needs.

Final Thoughts

After evaluating 10 of the top air purifiers on the market in October 2026, several models distinguish themselves for specific needs and budgets. For most homeowners seeking powerful, reliable whole-room purification, our Best Overall pick is the LUNINO Air Purifiers for Home Bedroom Large Room. It combines exceptional coverage for spaces up to 3000 sq. ft. with a high user rating, making it a versatile and trusted performer for large living areas and bedrooms alike.

If you’re looking for exceptional performance without a premium price tag, our Best Value recommendation is the Air Purifiers for Home Large Room. Starting at just $71.98, it offers smart features, a PM2.5 display, and coverage up to 2400 sq. ft., representing a remarkable balance of capability and cost. For those specifically invested in the proven, active purification technology from a legacy brand, the Best for Advanced Technology is undoubtedly the Sharp FPK50UW Air Purifier for Medium Rooms. Its Plasmacluster Ion Technology and triple filtration provide a comprehensive clean, while its ultra-quiet 23 dB sleep mode ensures peaceful operation.

Ultimately, the best Air Purifier Sharp for you depends on your room size, specific air quality concerns (allergies, odors, pets), desired features, and budget. We encourage you to use our detailed buying guide and comparison table to weigh these factors. For further exploration of specialized purifiers, browse our full category of Air Purifier Reviews.

Frequently Asked Questions

What is the best Air Purifier Sharp in 2026?

The “best” air purifier depends on your individual needs. Based on our analysis for 2026, the top all-around performer for large spaces is the LUNINO Air Purifiers for Home Bedroom Large Room, thanks to its high coverage and strong user ratings. However, for those prioritizing advanced active purification technology from a trusted brand, Sharp models with Plasmacluster are excellent choices.

How often do I need to replace the filters in an air purifier?

Filter replacement frequency varies by model, usage, and environmental conditions. Standard pre-filters may need washing every few months, while True HEPA and carbon filters typically last between 6 months to 2 years. Most modern purifiers have a filter replacement indicator light. Always follow the manufacturer’s guidelines, which are based on 24/7 operation. Models like the Sharp KC850U feature long-life filters designed to last up to 5 years for the humidifying filter, reducing long-term maintenance.

Can an air purifier help with allergies and asthma?

Yes, a high-quality air purifier with a True HEPA filter can be a significant aid for allergy and asthma sufferers. It captures airborne allergens like pollen, pet dander, dust mite debris, and mold spores, reducing their concentration in the air you breathe. For targeted advice, see our dedicated guide on the best asthma and allergy air purifier.

Is it worth getting an air purifier with smart features?

Smart features like auto mode, air quality sensors, and app control offer considerable convenience and efficiency. Auto mode allows the purifier to adjust its power based on real-time air quality, saving energy when the air is clean and ramping up when needed. App control lets you monitor and manage your home’s air remotely. If you value automation, insights, and remote access, smart features are a worthwhile investment.

Where is the best place to put an air purifier?

For optimal performance, place the air purifier in the room where you spend the most time, such as a bedroom or living room. Ensure it has a few feet of clearance from walls, furniture, and curtains to allow for proper air intake and circulation. Avoid placing it in a corner or behind obstacles. For whole-home coverage in open floor plans, a centrally located unit rated for the total square footage is ideal.

About the author

Sarah Jenkins
Sarah Jenkins

Lead content creator at AirPurifierGuides.com. Sarah is a senior product researcher in health-tech with years of experience testing smart home and HVAC devices. She writes most of our reviews, CADR comparisons, and filter analyses.