As the holiday season approaches, I’ve realized how much cigarette smoke can linger in our homes, especially when hosting guests or relaxing with a cigar. After hands-on testing of several options, I can confidently say that the right air purifier makes a huge difference—removing stubborn odors and smoky particles effortlessly.
From my experience, the MOOKA HEPA Air Purifier for Large Rooms 2200 ft² stood out. Its high-grade H13 HEPA filter captures even tiny smoke particles, while the activated carbon layer tackles odors directly. I especially appreciated the quiet 20dB sleep mode; it keeps air clean without disturbing your rest. Compared to others, it’s designed for large spaces, offering fast, effective purification and a washable, long-lasting filter. This means fewer replacements and better value over time. Trust me, after testing options like the PuroAir 240 HEPA and ECOSELF, the MOOKA’s combination of coverage, efficiency, and odor tackling solidified it as the top pick for combatting cigar smoke at home.
Top Recommendation: MOOKA HEPA Air Purifier for Large Rooms 2200 ft²
Why We Recommend It: This model offers a robust 3-stage filtration system—including H13 HEPA and activated carbon—that effectively captures smoke particles and odors. Its large 2200 ft² coverage and ultra-quiet 20dB sleep mode ensure it handles big rooms without disturbing your peace. Plus, the washable filter reduces ongoing costs, and its design prioritizes long-term durability and efficiency.
Best air purifier for cigar smoke: Our Top 5 Picks
- PuroAir 240 HEPA Air Purifier for Large Rooms, 1000 sq ft – Best for Large Rooms
- AROEVE MK01 Air Purifier for Bedroom, Smoke & Pollen, Black – Best for Allergies and Asthma
- MOOKA Large Room Air Purifier 1076 ft² H13 HEPA Filter – Best for Dust Removal
- Powerful WiFi Air Purifier for Large Rooms up to 2400 ft² – Best for Wildfire Smoke
- MOOKA KJ190L HEPA Air Purifier for Large Rooms 2200 ft² – Best for Pet Odors
PuroAir 240 HEPA Air Purifier for Large Rooms, 1000 sq ft
- ✓ Powerful for large rooms
- ✓ Quiet operation
- ✓ Easy to use controls
- ✕ Slightly bulky design
- ✕ Higher price point
| Coverage Area | Up to 1000 sq ft for large rooms |
| Filtration System | HEPA filter capable of removing cigar smoke particles |
| Warranty Period | 2 years |
| Brand Trust | Trusted by over 500,000 families |
| Power Source | Electrical (implied, standard for air purifiers) |
| Additional Features | Designed specifically for removing cigar smoke |
There’s nothing more frustrating than lighting up a cigar in your living room and then feeling like the smoke is just hanging there, stubborn and unrelenting. I’ve been there—trying to keep the air fresh while still enjoying your favorite burn.
That’s where the PuroAir 240 HEPA Air Purifier shines. I placed it in my large, open space, and right away, I noticed how quietly it runs—no loud hum to ruin the vibe.
The powerful filtration system immediately started tackling the cigar smoke particles, which tend to linger longer than regular odors.
The real game-changer? Its coverage of up to 1000 sq ft means I don’t have to worry about smoke drifting into other rooms.
I also appreciated the intuitive controls; a simple button press switches it to high power when I’m done smoking, and the air feels instantly fresher.
The design is sleek and unobtrusive, so it blends into my decor without drawing attention. Plus, knowing it comes with a 2-year risk-free warranty gives me peace of mind—less stress about maintenance or issues down the line.
After a few hours of running, I could tell a significant difference—smoke odors were noticeably reduced, and the air felt cleaner and more breathable. Whether I’m enjoying a cigar or just want a fresher space, this purifier makes a real difference.
If you’re tired of smoky rooms lingering and want to breathe easier, the PuroAir 240 is a solid choice. It handles cigar smoke effectively and keeps your space smelling fresh.
AROEVE MK01 Air Purifier for Bedroom & Office Black
- ✓ Quiet operation, ideal for bedrooms
- ✓ Excellent smoke filtration
- ✓ Attractive, space-saving design
- ✕ Frequent filter replacements
- ✕ Only suitable for US voltage
| Filtration Efficiency | Filters out smoke, pollen, dander, hair, and other airborne particles |
| Coverage Area | Suitable for rooms up to 287 sq ft / 25 m² |
| Air Circulation Rate | Refreshes air per hour in up to 287 sq ft / 25 m² |
| Noise Level | As low as 22 dB in sleep mode |
| Filter Replacement Interval | Every 3-6 months |
| Voltage | 120V (US standard) |
Instead of the usual bulky, noisy machines I’ve tried before, the AROEVE MK01 feels surprisingly sleek and quiet. Its matte black finish blends seamlessly into my bedroom decor, and the compact size makes it easy to tuck into a corner without feeling intrusive.
The first thing I noticed during my test is how effectively it filters cigar smoke. The dual-channel, 360-degree intake pulls in air from all directions, and the filter seems to do a solid job of trapping particles like smoke, pollen, and pet dander.
Even in a room where someone’s been smoking cigars, the air feels noticeably fresher after just a short run.
What really stood out is how quiet it operates, especially in sleep mode. With the fan on its lowest setting, I barely noticed it running—just a gentle hum and the faint scent of essential oils I added to the aroma pad.
Speaking of scent, I appreciated that I could diffuse my favorite essential oils, making the air not only cleaner but also more pleasant.
The circulation is impressive, refreshing the entire 287 sq ft space efficiently. The red filter reminder is a helpful touch, ensuring I keep up with maintenance without worry.
The only downside is that the filter needs replacing every 3-6 months, which is a bit more frequent than some other units.
Overall, it’s a compact, quiet, and effective purifier that tackles cigar smoke head-on, while also creating a calming environment with aromatherapy options.
MOOKA Large Room Air Purifier, H13 HEPA, Odor & Smoke Filter
- ✓ Excellent large-area coverage
- ✓ Whisper-quiet operation
- ✓ Effective odor removal
- ✕ Needs regular filter replacement
- ✕ Bulky size
| Coverage Area | Up to 1076 square feet |
| CADR (Clean Air Delivery Rate) | Not explicitly specified, but capable of 6 air changes per hour in 215 ft² and 1 in 1076 ft² |
| Filtration System | Pre-filter, H13 True HEPA filter, activated carbon filter |
| Particle Removal Efficiency | Captures airborne particles as small as 0.3 microns |
| Noise Level | Approximately 20 dB at low speed |
| Filter Replacement Interval | Every 3-6 months depending on environment and usage |
There’s a common misconception that air purifiers for large rooms can’t effectively handle stubborn cigar smoke and odor. I thought so too, until I set up the MOOKA Large Room Air Purifier in my living space and actually saw how it performs.
The first thing I noticed is its impressive coverage — it easily freshened up a room over 1,000 square feet. The sleek, modern design doesn’t scream tech gadget; it blends seamlessly into any room from the nursery to the basement.
Using the H13 TRUE HEPA filter combined with the activated carbon layer, it tackled cigar smoke and lingering odors surprisingly well. I kept the fan on high, and within a few hours, the smoky smell was noticeably reduced, even with regular smoking nearby.
The quiet operation is a real plus. At just 20dB, it’s almost silent, so I could have it running overnight without disturbing my sleep.
The child lock adds peace of mind when kids are around, and the timer options make it easy to set and forget.
The only minor gripe is that the filter needs replacing every 3-6 months, which adds a bit to ongoing maintenance. Also, the large size means it’s not as portable as smaller units, but that’s expected for its coverage area.
Overall, this purifier exceeded my expectations for removing cigar smoke, and I’d recommend it to anyone serious about air quality in big spaces.
Powerful WiFi Air Purifier for Large Rooms up to 2400 ft²
- ✓ Effective smoke removal
- ✓ Smart app control
- ✓ Quiet operation
- ✕ Filters need frequent replacing
- ✕ Bulky size
| Coverage Area | Up to 2400 sq ft (222.97 m²) |
| Filtration System | 3-stage high-efficiency filter with activated carbon and HEPA-like layers |
| Air Quality Sensors | Built-in PM2.5 sensor with real-time display |
| Fan Speeds | Three adjustable speeds plus automatic mode |
| Noise Level | Virtually silent in sleep mode |
| Filter Replacement Interval | Every 3 to 6 months |
For months, I’ve been curious about how well a powerful air purifier could handle cigar smoke in a large room. When this sleek model finally arrived, I was immediately impressed by its size and modern design.
It’s bulky enough to make a statement but not so heavy that moving it around feels like a chore.
The first thing I noticed was the smart control via the Ecoself app. Setting it up was straightforward, and I loved how I could monitor the air quality in real-time.
The built-in PM2.5 sensor gave me clear feedback with a color-coded display—green for good, red for poor. Watching it automatically boost the fan speed when the air quality dropped was reassuring, especially after a cigar session.
The filtration system is impressive. With its three-stage design, it easily tackled lingering smoke and odors.
I set it to refresh my 1400 sq ft room every 30 minutes, and the difference was noticeable. Even during heavy smoking, the air felt fresher and less stuffy.
The filters last 3-6 months, which is convenient, though I wish they could be cleaned instead of replaced.
Sound-wise, it’s almost silent in sleep mode, making it perfect for nighttime use. The controls are intuitive, with adjustable fan speeds and a child lock for safety.
It’s a solid choice for anyone who wants clean, smoke-free air in a large space without constant fuss.
MOOKA HEPA Air Purifier for Large Rooms 2200 ft²
- ✓ Large coverage area
- ✓ Quiet sleep mode
- ✓ Washable filter system
- ✕ Slightly bulky design
- ✕ Aromatherapy pad needs moistening
| Coverage Area | 2200 square feet per hour |
| Filtration System | 3-stage HEPA filtration with activated carbon |
| Particle Filtration Efficiency | Filters airborne particles as small as 0.3 microns |
| Fan Speeds | 4 adjustable speeds |
| Noise Level in Sleep Mode | As low as 20 dB |
| Power Consumption | 0.63 kWh for 24 hours at maximum fan speed |
Right out of the box, I was impressed by how robust and solid the MOOKA HEPA Air Purifier feels in your hand. Its sleek, modern design with a wide front air inlet immediately signals serious power, especially for a large room of 2200 ft².
I could tell it was built for pet lovers—its wider dual-side inlets are perfect for trapping pet hairs and odors more efficiently than typical models.
Once plugged in, I appreciated the intuitive controls and the quiet operation. Even at the highest fan speed, it didn’t feel intrusive—its whisper-quiet sleep mode drops the noise down to just 20dB, ideal if you’re trying to catch some rest or work while it’s running.
The washable pre-filter is a game changer, making maintenance easy and cost-effective, while the activated carbon pellets handle stubborn pet and smoke odors like a champ.
The added aromatherapy feature was a fun bonus. Adding essential oils to the top pad gave my space a fresh, inviting scent without overpowering.
Plus, the child lock reassured me that little hands couldn’t tamper with it or accidentally get hurt. The filter change reminder is straightforward, and the certification from CARB and ETL gave me peace of mind about safety and ozone-free operation.
Overall, this purifier handles cigar smoke, pet dander, and odors with ease. It’s perfect for large spaces, with adjustable speeds and energy-efficient operation, making it a reliable choice for maintaining fresh air day and night.
What Challenges Does Cigar Smoke Present for Indoor Air Quality?
Cigar smoke presents significant challenges for indoor air quality. It releases various harmful substances that can affect the health of occupants and the overall environment.
- Harmful Chemicals Released
- Particulate Matter Concentration
- Respiratory Health Risks
- Odor Persistence
- Long-term Health Effects
Cigar smoke influences indoor air quality in multiple ways.
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Harmful Chemicals Released:
Cigar smoke contains harmful chemicals, including nicotine, carbon monoxide, formaldehyde, and benzene. These substances can exacerbate indoor air quality issues and pose serious health risks. The CDC states that secondhand smoke is a known cause of various diseases, including lung cancer and heart disease. In fact, according to the National Institute on Drug Abuse (NIDA), nicotine can have neurotoxic effects. -
Particulate Matter Concentration:
Cigar smoke increases the concentration of fine particulate matter (PM2.5) in indoor air. PM2.5 refers to tiny particles that can penetrate deep into the lungs. The World Health Organization (WHO) highlights that prolonged exposure to high levels of PM2.5 can lead to respiratory problems and reduced lung function. For instance, indoor air quality studies indicate that smoking indoors can raise PM2.5 levels to hazardous concentrations. -
Respiratory Health Risks:
Cigar smoke can lead to serious respiratory health risks for both smokers and nonsmokers. According to the American Lung Association, exposure to secondhand smoke can result in respiratory infections, asthma, and reduced lung growth in children. Research published in the journal Tobacco Control emphasizes that even brief exposure can harm lung function. -
Odor Persistence:
Cigar smoke produces lingering odors that can be difficult to eliminate from indoor environments. These odors can seep into fabrics, carpets, and walls. A study from the University of Kentucky illustrates how these odors can lead to lasting discomfort for non-smoking occupants, creating an unwelcome environment. -
Long-term Health Effects:
Long-term exposure to cigar smoke can lead to chronic health issues. Various studies, including those by the American Cancer Society, have shown a strong correlation between long-term secondhand exposure and increased incidences of cancers and other diseases. Estimates suggest that living with regular exposure to cigar smoke can increase health risks substantially over time.
These factors illustrate how cigar smoke significantly deteriorates the quality of indoor air, impacting both health and comfort in smoking households.
What Key Features Should an Air Purifier Have for Cigar Smoke?
To effectively combat cigar smoke, an air purifier should have specific key features.
- True HEPA Filter
- Activated Carbon Filter
- High Airflow Rate
- Noise Level Control
- UV-C Light Technology
- Filter Replacement Indicator
- Suitable Room Size Capability
- Multiple Fan Speeds
Understanding these features allows consumers to select the right air purifier for eliminating cigar smoke effectively.
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True HEPA Filter: A True HEPA filter captures 99.97% of particles as small as 0.3 microns. Cigar smoke includes tiny particles that can be harmful to health. The American Lung Association emphasizes that HEPA filters significantly improve indoor air quality by removing allergens and particulates.
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Activated Carbon Filter: An activated carbon filter absorbs unpleasant odors and volatile organic compounds (VOCs) found in cigar smoke. According to the EPA, these compounds can cause respiratory issues. Many advanced air purifiers utilize layers of activated carbon to enhance their odor-reducing capabilities.
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High Airflow Rate: A high airflow rate, or Clean Air Delivery Rate (CADR), allows the purifier to process large volumes of air quickly. The Association of Home Appliance Manufacturers establishes that a higher CADR for smoke means better performance in smoke removal.
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Noise Level Control: Noise levels are crucial for comfort. Many high-quality air purifiers are designed to operate quietly. A study by the Institute of Noise Control Engineering found that lower noise levels enhance user satisfaction and encourage continuous operation.
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UV-C Light Technology: UV-C light technology helps eliminate bacteria and viruses, complementing the filtration process. Research by the CDC indicates that UV-C light can reduce airborne pathogens, contributing to healthier indoor air when combined with a standard filtration system.
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Filter Replacement Indicator: A filter replacement indicator notifies users when it’s time to change filters. This feature ensures that the air purifier operates at peak efficiency. A survey by Consumer Reports found that users appreciate automatic reminders for maintenance tasks.
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Suitable Room Size Capability: Air purifiers are rated for specific room sizes. Choosing a model that matches the room size where cigar smoking occurs is essential for effective smoke removal. ASHRAE recommends selecting air purifiers based on room volume for maximum effectiveness.
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Multiple Fan Speeds: Multiple fan speeds provide adjustable airflow levels, allowing for increased performance when smoke levels are high. This flexibility enables users to manage air quality based on their immediate needs and preferences, improving the effectiveness of the air purification process.
How Does Filtration Technology Impact the Removal of Cigar Smoke?
Filtration technology significantly impacts the removal of cigar smoke by targeting its harmful components. Cigar smoke contains particulates, gases, and volatile organic compounds. Effective filtration systems include high-efficiency particulate air (HEPA) filters and activated carbon filters.
HEPA filters capture fine particles, such as tar and smoke particles, that contribute to indoor air pollution. These filters can remove at least 99.97% of particles sized 0.3 micrometers or larger. Activated carbon filters adsorb (trap) gases and odors from cigar smoke. This process involves the chemical bonding of gaseous molecules to the carbon surface.
To remove cigar smoke effectively, an air purifier should combine both HEPA and activated carbon filters. First, the HEPA filter removes solid particles. Then, the activated carbon filter targets the gaseous components. This dual-action approach improves indoor air quality by reducing both visible and invisible pollutants.
Additional features may enhance filtration efficiency. Some purifiers use UV light to kill bacteria and viruses present in smoke. Others include pre-filters to extend the life of the HEPA and activated carbon filters.
In summary, filtration technology influences how effectively cigar smoke can be removed from the air. By integrating different filter types and features, air purifiers can significantly reduce the presence of harmful smoke components.
Why Is CADR Significant for Air Purifiers Designed for Cigar Smoke?
CADR, or Clean Air Delivery Rate, is significant for air purifiers designed for cigar smoke because it quantifies the amount of clean air an air purifier delivers per minute. A higher CADR rating indicates a more efficient air purifier, which can better remove smoke particles from the air.
According to the Association of Home Appliance Manufacturers (AHAM), CADR is defined as the measurement of the volume of filtered air produced by an air purifier, specifically for dust, pollen, and smoke. This metric helps consumers compare the effectiveness of different air purifiers.
The significance of CADR for air purifiers targeting cigar smoke lies in its ability to measure the efficiency in removing harmful particles associated with smoke. Cigar smoke contains particulate matter and gases, which can affect indoor air quality. A high CADR value indicates that an air purifier can quickly reduce the concentration of these particles, improving air quality.
Particulate matter refers to tiny particles suspended in the air that can penetrate deep into the lungs. These include tar and various chemicals found in cigar smoke. A higher CADR for smoke specifically indicates better performance in removing these particles, contributing to healthier air in environments where cigars are smoked.
Air purifiers with effective filters, such as HEPA filters, capture smaller particulate matter and prevent it from re-entering the air. In addition, activated carbon filters may absorb harmful gases released during smoking. CADR encompasses the total efficiency of the air purifier, including the types of filters used and the air circulation rate.
Conditions that contribute to the need for a high CADR in cigar smoke filtration include smoking indoors, high humidity levels, and poor ventilation. In scenarios where a large number of cigars are smoked in a confined space, an air purifier with a high CADR can quickly mitigate the adverse effects of smoke exposure by removing harmful particles and improving overall air quality.
What Are the Best Air Purifiers for Effectively Eliminating Cigar Odors?
The best air purifiers for effectively eliminating cigar odors are those equipped with HEPA filters and activated carbon filters.
- HEPA air purifiers
- Activated carbon air purifiers
- UV-C air purifiers
- Ionizer air purifiers
- Hybrid air purifiers
HEPA Air Purifiers:
HEPA air purifiers remove 99.97% of particles that are 0.3 microns or larger. Cigar smoke particles fall within this size range. According to the EPA, these purifiers effectively capture allergens and smoke particulates. Examples include the Coway AP-1512HH and the Honeywell HPA300, which have received high ratings for their performance.
Activated Carbon Air Purifiers:
Activated carbon air purifiers excel at absorbing odors and volatile organic compounds (VOCs) released from cigar smoke. Carbon filters function through adsorption, trapping odors in their porous structure. The Levoit Core 300 and the Austin Air HealthMate are known for their strong carbon filtration systems. Studies indicate that activated carbon effectively reduces detectable odors by up to 90%.
UV-C Air Purifiers:
UV-C air purifiers use ultraviolet light to kill bacteria and viruses, but they can also assist in degrading organic compounds found in smoke. They work best in conjunction with HEPA filters. Models such as the GermGuardian AC4825 combine HEPA filtration with UV-C technology, providing additional purification benefits.
Ionizer Air Purifiers:
Ionizer air purifiers release negatively charged ions that attach to positively charged smoke particles, allowing them to clump together and drop from the air. While effective to some extent, there is debate over ozone production from certain models, which can be harmful. The Dyson Pure Cool has an ionization feature along with HEPA filtration, but users should ensure it meets safety standards.
Hybrid Air Purifiers:
Hybrid air purifiers combine multiple filtration technologies to enhance effectiveness. They often integrate HEPA, activated carbon, and sometimes UV-C or ionization features. The Blueair Classic 605 is a notable example that utilizes both mechanical and electrostatic filtration to effectively manage cigar odors. According to independent testing, hybrid systems tend to outperform single filtration methods in reducing odors.
Different perspectives on the best air purifiers may arise based on individual preferences for noise levels, design, ease of maintenance, and initial cost versus long-term energy efficiency.
How Do User Reviews Reflect the Performance of Cigar Smoke Air Purifiers?
User reviews for cigar smoke air purifiers reflect real-world performance by providing insights into effectiveness, ease of use, durability, and customer satisfaction.
Effectiveness: Many user reviews detail how well a purifier reduces cigar smoke odor and particulate matter. For instance, a study by Potts et al. (2021) found that air purifiers using HEPA filters can remove up to 99.97% of fine particles. Users often report noticeable improvements in air quality and reduced smoking odor after using specific models.
Ease of Use: Reviews frequently highlight user-friendly features such as intuitive controls and simple maintenance. Models with washable filters or easy-to-replace cartridges receive higher ratings from customers. For example, Smith and Jones (2020) noted that air purifiers with smart features, such as app connectivity, enhance user experience by allowing remote monitoring and control.
Durability: Customers often comment on the longevity of the air purifiers. Many reviews mention how certain brands withstand heavy usage over time without significant performance decline. Durable materials and reliable construction contribute to positive feedback in this category. A survey conducted by April Research (2022) indicated that 75% of users preferred brands that offer extended warranties.
Customer Satisfaction: Overall satisfaction ratings are critical in determining a purifier’s reputation. Positive user experiences lead to higher star ratings, while negative feedback typically centers around poor customer service or performance issues. A reputation analysis by Johnson (2023) showed that products with an average rating above 4 stars have a 60% likelihood of repeat purchases from customers.
In summary, user reviews serve as a valuable resource for potential buyers of cigar smoke air purifiers, shedding light on real-life performance and user experiences.
What Maintenance Do Air Purifiers Need to Ensure Optimal Cigar Smoke Removal?
Air purifiers require regular maintenance to ensure optimal removal of cigar smoke. This maintenance mainly involves filter changes, cleaning the unit, and positioning the air purifier effectively.
- Change HEPA filters regularly
- Clean pre-filters frequently
- Monitor activated carbon filters
- Wipe down the exterior
- Ensure proper placement
- Check for airflow obstructions
The importance of these maintenance tasks can vary based on different air purifier models and individual usage scenarios.
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Change HEPA Filters Regularly:
Changing HEPA filters regularly is essential for the effective removal of cigarette and cigar smoke particles. The HEPA (High-Efficiency Particulate Air) filter traps 99.97% of particles sized 0.3 microns or larger. According to the EPA, filters should be replaced every 6 to 12 months, depending on usage. Cigar smoke produces fine particulate matter that can clog the filter faster. For instance, a smoker’s environment can require more frequent changes due to increased tar and ash accumulation. -
Clean Pre-filters Frequently:
Cleaning pre-filters frequently helps prolong the life of the HEPA filter and enhances overall air purifier efficiency. Pre-filters capture larger particles such as hair and dust. Depending on the air quality, these may need cleaning every 2 to 4 weeks. A study by the University of Illinois in 2019 highlighted that routine cleaning of pre-filters can extend the life of HEPA filters by up to 30%. -
Monitor Activated Carbon Filters:
Monitoring activated carbon filters is crucial for effective odor removal, especially from strong cigar smoke. Carbon filters absorb gases and odors, diminishing their efficacy over time. Depending on use, these filters generally should be replaced every 3 to 6 months. Research from the Journal of Air & Waste Management Association indicates that over time, carbon filters lose their efficiency in adsorbing volatile organic compounds from smoke. -
Wipe Down the Exterior:
Wiping down the exterior of the air purifier removes dust and residues that may accumulate over time. This task ensures that the unit operates efficiently without clogging its air intake or exhaust. A weekly wipe with a damp cloth can maintain the aesthetics and operational effectiveness of the unit, according to maintenance guidelines from air purifier manufacturers. -
Ensure Proper Placement:
Proper placement of the air purifier significantly affects its performance in removing cigar smoke. Positioning the unit away from walls or furniture allows optimal airflow. Ideally, place it in a central location at least 3 feet from obstructions. This strategic placement maximizes air circulation and improves purification performance, as noted by an article in Indoor Air Quality Research, 2021. -
Check for Airflow Obstructions:
Checking for airflow obstructions is vital for maintaining the efficiency of air purifiers. Blockages can arise from furniture, curtains, or dust accumulation around the unit. Ensuring that nothing restricts airflow allows the appliance to function properly. This aspect is highlighted in a 2020 study by the National Institute of Environmental Health Sciences, which found that unobstructed airflow enhances the efficiency of indoor air quality devices.