If you’re looking for a solution to improve your indoor air quality, investing in an air purifier is a wise choice. However, not all air purifiers are created equal, and when it comes to filtering out dust and mold, it’s essential to choose the right one.
Before buying an air purifier, readers need to consider a few factors. Firstly, they need to determine the size of the room they want to purify. A small air purifier won't have the same efficiency as a larger one in a bigger room. Secondly, they need to check the Clean Air Delivery Rate (CADR) of the purifier, which indicates how fast the unit can remove pollutants from the air. Finally, they must choose a filter that can trap allergens, bacteria, viruses, and other particles effectively.
If you or anyone in your family is suffering from allergies, asthma, or respiratory issues, finding the best air purifier for dust and mold is crucial. What kind of coverage does the air purifier provide? Does it have a HEPA filter for maximum filtration? How often do you need to change the filter, and what are the replacement costs? By answering these questions, you can make a better-informed decision and choose the right air purifier for your needs.
In summary, when considering an air purifier, reading reviews and research is essential. The best air purifier for dust and mold should be able to filter the air effectively, be the correct size for the room, and fit in with the reader's budget. By doing some research, readers can breathe easier and improve their quality of life.
10 Best Air Purifier For Dust And Mold
| # | Product Image | Product Name | Product Notes | Check Price |
|---|---|---|---|---|
|
1
|
 |
The air purifier is ideal for large rooms and helps eliminate allergens, dust, mold, and pet odors.
|
|
|
|
2
|
 |
This product is ideal for removing pet dander, dust, allergens, smoke, pollen, odors, mold, and reducing germs in homes with pets.
|
|
|
|
3
|
 |
The product is ideal for purifying air in large rooms and eliminating allergens, pet dander, mold, pollen, dust, and odors.
|
|
|
|
4
|
 |
This product is ideal for people with allergies or pets as it removes dust, smoke, mold, and pollen from the air.
|
|
|
|
5
|
 |
Ideal for improving air quality, removing pollutants such as dust, allergens, smoke, pollen, mold, and odors while helping kill germs.
|
|
|
|
6
|
 |
Ideal for purifying air in homes, removing allergens, pet dander, smoke, mold, pollen and dust while eliminating odor.
|
|
|
|
7
|
 |
Ideal for purifying air in large spaces such as offices, homes, and lobbies, by removing allergens, mold, smoke, and dust.
|
|
|
|
8
|
 |
It is ideal for purifying air in large rooms, removing allergens, dust, mold, viruses, and pet dander.
|
|
|
|
9
|
 |
It is ideal for removing allergens, dust, and mold from the air in spaces up to 700 square feet.
|
|
|
|
10
|
 |
The product is ideal for improving air quality in large rooms by removing allergens, pet hair, dust, mold, and odors.
|
|
1. Alen 45i: The Ultimate Allergen Eliminator.
Introducing the Replacement Air Filter for BreatheSmart Flex & 45i Air Purifiers, specifically designed to purify 800 sqft every 30 minutes, making it an ideal addition to medium, large, and extra-large spaces. To ensure you get the right filter, find your model number on the top panel below the power button.
This B4-Pure Filter is effective in trapping allergens, pollen, fur, pet dander, mildew, and aerosolized viruses, making it a must-have for living rooms, bedrooms, nurseries, laundry rooms, bathrooms, offices, kitchens, basements, and more.
With medical-grade protection, the 3-Stage H13 True HEPA filtration captures 99.99% of particles as small as 0.1 microns, ensuring that the air you breathe is free from viruses, bacteria, mold spores, and smoke. The HEPA air filtration is the third of five stages where the air filter traps viruses, bacteria, mold spores, and smoke with activated carbon.
The air quality color display is another advanced feature of this air filter. The Laser Smart Sensor detects airborne particles and auto-displays the current air quality. The blue color indicates excellent air quality, green indicates good, orange indicates fair, red indicates poor, while purple indicates bad air quality, indicating high particle levels.
Alen air purifiers aim to maintain the community's health and wellness with cleaner, pure air, and this filter is no exception. It offers air filtration to everyone, making it a great gift for smokers and pet owners who need to improve their indoor air quality while caring for their loved ones.
With a long lifespan of 9-12 months, this Replacement Air Filter is easy to install and delivers maximum performance for a range of applications. Its versatility makes it an ideal addition to classrooms, doctor's offices, hotels, bars, lounges, restaurants, and most importantly, your home.
2. Petguard Air Purifier – Germ-Free Homes.
Introducing the 3-in-1 Air Purifier for Home, a highly effective device that ensures the air you breathe is free from harmful germs, allergens, and other pollutants. Equipped with a True HEPA air filter, this device can reduce up to 99.97% of harmful particles as small as .3 microns from the air, including pollen, pet dander, and mold spores.
The PET Pure filter is a unique feature of this air purifier. It contains an antimicrobial agent that inhibits the growth of mold, mildew, and odor-causing bacteria on the filter's surface, making it highly effective in purifying the air in your home.
The device also features a UV-C light that works in conjunction with Titanium Dioxide to kill airborne viruses, including influenza, staph, and rhinovirus. This feature makes the air purifier ideal for use in homes with kids and individuals with compromised immune systems.
The pre-filter is designed to trap dust, pet hair, and other large particles while extending the life of the HEPA filter. This ensures that your air purifier performs optimally and lasts longer. The activated charcoal filter also helps to reduce unwanted odors from pets, smoke, cooking fumes, and other sources.
3. Levoit True Hepa Air Cleaner With Smart Auto Mode
For those searching for official Levoit filters, the B07KCBJMMX or LV-H135-RF are the go-to options for the best fit and filtration. Levoit replacement filters are designed to work seamlessly with their air purifiers, while off-brand filters can be unreliable and even damage the device.
The Levoit air purifier boasts premium filtration capabilities. A Nylon Pre-Filter, H13 True HEPA Filter, and Custom High-Efficiency Activated Carbon Filter work together to filter out at least 99.97% of 0.3-micron air particles, including pollen, pet dander, dust, harmful VOCs, smoke, fumes, and household odors. This ensures that the air you breathe is clean and fresh.
With extra-large coverage, this air purifier can change the air once per hour in a 1,590 ft² room and twice per hour in a 795 ft² room, with a Clean Air Delivery Rate (CADR) of 360. It's a perfect fit for living rooms, kitchens, and bedrooms and can be easily moved around thanks to its wheels, providing fresh air wherever you need it.
The auto mode feature of this air purifier is a game-changer. The laser dust sensor scans the surrounding air quality and adjusts the fan speed in real-time, ensuring optimal air quality. In addition, you can set a timer for 2, 4, or 8 hours and rely on the Check Filter Indicator to keep you updated on filter life.
The Levoit air purifier is ultra-quiet, with noise levels as low as 26dB in Sleep Mode. This makes it a great option for those who want to sleep undisturbed while still enjoying fresh, clean air.
4. Pet-Friendly Hepa Air Purifier – Core 300.
The Levoit air purifier is a top-of-the-line device that ensures clean air in your home or office. One of the standout features of this air purifier is that it avoids UV-C light, a method that has been shown to produce harmful ozone and secondary pollution. Instead, the purifier uses an ARC Formula that adsorbs pet odors and chemically decomposes them to avoid second-hand pollution.
The Core 300 True HEPA Air Purifier is designed to purify air in a 1,200 square foot space once every hour. The purifier features VortexAir Technology, which allows for 360° air intake, and a Clean Air Delivery Rate (CADR) of 141 CFM / 240 m³/h. The higher the CADR of an air purifier, the larger its purification area, making this purifier a powerful and reliable option for fresh air in your space.
If you suffer from allergies, this air purifier is an excellent choice for easing allergy symptoms caused by airborne contaminants. The H13 True HEPA Filter works alongside the Pre-Filter and High-Efficiency Activated Carbon Filter to capture 99.97% of airborne particles 0.3 microns in size, such as dust, smoke, pollen, and odors.
The Core 300 True HEPA Air Purifier offers multiple filter choices to best meet your needs. If you live in an area prone to wildfire smoke or VOCs, the Toxin Absorber Filter specializes in capturing these pollutants. If you're a pet owner, the Pet Allergy Filter is an excellent option for capturing pet dander and absorbing unpleasant odors.
This air purifier is also incredibly quiet, making it an excellent option for use in your bedroom. With QuietKEAP Technology, the device can reduce noise levels to a near-silent 24dB when in Sleep Mode. You can set a timer for 2/4/6/8 hours to automatically shut off the purifier, and the filter life time indicator is a helpful feature that ensures you'll know exactly when to replace the filter.
The Core 300 True HEPA Air Purifier has a sleek design that blends seamlessly with your decor. The modern white finish and Red Dot design make it an attractive addition to any room in your home or office. The display light can be turned off to provide a perfect night of sleep without any disturbance from the device.
5. Large Room Germ Guardian: Purify With Uv-C
Introducing the 4-in-1 Air Purifier – the perfect solution for those who want to breathe cleaner, healthier air in their homes or offices. This air purifier utilizes a True HEPA filter that is capable of removing up to 99.97% of harmful dust particles, pollen, pet dander, mold spores, and other allergens that are as small as 0.3 microns in size. This ensures that the air you breathe is free from any harmful pollutants that can trigger respiratory illnesses.
The device is also equipped with a UV-C light that helps to kill airborne viruses, such as influenza, staph, and rhinovirus. This is complemented by the use of Titanium Dioxide that effectively reduces volatile organic compounds that may be present in the air. This combination of features ensures that the air you breathe is not only free from allergens but also from harmful germs and bacteria.
The 4-in-1 Air Purifier is designed with a pre-filter that traps larger particles such as dust and pet hair, extending the life of the HEPA filter. This makes it more efficient in removing harmful pollutants from the air, and also ensures that the device requires less maintenance.
The device is also equipped with an activated charcoal filter that helps to remove unwanted odors from pets, smoke, cooking fumes, and more. This feature ensures that the air you breathe is not only clean but also smells fresh and pleasant.
With its ultra-quiet sleep mode, this air purifier is perfect for those who want to get a good night's rest with cleaner air. The device is also equipped with a programmable timer that allows users to set the device to operate at specific times, ensuring that it operates only when needed.
6. Vital Hepa Air Purifier Set For Allergies
The Genuine Levoit Replacement Filters for the Vital 100 are available for purchase on Amazon. Interested buyers can search for "B08BC5V6ZF" to find and order it easily. These filters are designed to cater to the needs of pet owners and those suffering from allergies. The washable preliminary filter captures pet hair, fur, and lint, while the activated carbon filter is capable of absorbing odors from pets, cooking, and smoke. Additionally, the H13-grade True HEPA filter can capture 99.97% of airborne particles that are as small as 0.3 microns, including pet dander, pollen, mold spores, and dust.
The Vital 100 is highly efficient and can purify the air in any room quickly. It has a CADR of 130 CFM/221 m3/h, making it perfect for living rooms, bedrooms, offices, nurseries, and kitchens. In just 18 minutes, it can purify the air in rooms of up to 300 ft²/27.9 m², while it covers 975 ft²/90.6 m² in an hour and 500 ft²/46.5 m² in 30 minutes.
Interested buyers should search for "B08BC5V6ZF" or "Vital 100-RF" to find the official Levoit Personal True HEPA Replacement Filter. It is essential to purchase Levoit replacement filters because they provide the best fit and filtration. Off-brand filters are unreliable and may even damage the air purifier.
The Vital 100 is also compact and portable, making it easy to carry from room to room, and it has a built-in handle. Additionally, it is energy-efficient, with a rated power of 55W, which means it uses little energy and costs only $1.66 per week/ $0.18 per kWh even when being used 24 hours a day.
7. Pro L Air Purifier: Pure Air In Large Spaces
This high-performing air cleaner boasts of True HEPA performance, which is made possible by HEPASilent Technology. With this technology, the air cleaner can capture up to 99.97% of airborne pollutants such as allergens, mold, dust, pet dander, smoke particles, and pollen. This makes it an excellent choice for individuals who are sensitive to airborne allergens.
The air cleaner features German-engineered fans that ensure quiet yet powerful operation for peak performance and maximum airflow. Therefore, users can enjoy clean air without the noise that typically accompanies air cleaners. Its sleek and professional Swedish design makes it an attractive addition to any office, workspace, business, or home.
Thanks to its revolutionary combination of advanced filter media and an encapsulated particle-charging chamber, this air cleaner delivers more clean air in less time than other air cleaning systems. It is perfect for medium to large home or work environments between 700 sq. ft. and 800 sq. ft., as it is AHAM rated at 780 sq. ft. It is certified by Energy Star and CARB, making it an environmentally-friendly and energy-efficient choice.
8. Blueair Max Air Purifier For Pets And Viruses.
Blueair is a reputable air purifier brand in the US that has recently launched its new Pure Max series. This series boasts a proprietary HEPASilent performance that is now even better, with up to 83% faster cleaning and 50% less noise compared to its previous models.
One of the most significant advantages of the Blue family’s Pure Max series is its Quiet Mark certification, meaning it operates quietly between 23-53dB. It can clean an extra-large room of up to 635sqft in approximately 12.5 minutes or an XL space of up to 1,524sqft in 30 minutes on high mode.
The HEPASilent dual filtration technology delivers more clean air faster, using less noise and energy than HEPA filtration alone. The Pure Max series removes at least 99.97% of tiny airborne particles, including viruses and smoke down to 0.1 microns, and captures pet dander, pollen, mold allergens, and dust. Additionally, its carbon filter traps light household odors from smoking, pets, and cooking.
The Pure Max series is also a smart air purifier, app-enabled and voice control available. It has several features, including Clean Air ETA, RealTrack filter monitoring, and Welcome Home. This air purifier is intuitive, with an LED display that shows real-time pollution sensor (PM1, PM2.5, and PM10) with a 5-color AQI. Its simple two-button design makes it easy to control fan speeds, with four levels plus night mode and auto mode. You can also adjust light levels and use the child lock for added safety.
The Blue family’s Pure Max series has been independently tested for performance and safety. It is AHAM verified for performance (CADR) and certified by Quiet Mark and Ozone Safety Standards Certified by CARB. The Pure Max series is also verified for zero ozone (<5 ppb) by Intertek Sustainability.
9. Pureair Flex Hepa Purifier – Sweat Dust Away!
The Alen BreatheSmart FLEX Air Purifier is an excellent investment for anyone looking to improve the air quality in their home or workspace. It is recommended for individuals who suffer from allergies, asthma, or pet-related issues, as it effectively eliminates dust, dander, allergens, pet fur, and odors. Its sleek and modern design fits seamlessly into small or large rooms.
The B4-PURE filter is a standard filter that helps eliminate asthma and allergy triggers. It includes an antimicrobial compound that helps eliminate germs, bacteria, mold, and fungi. This filter is highly effective in improving air quality, especially when it comes to reducing the spread of germs and bacteria.
The Alen BreatheSmart FLEX Air Purifier also features a Medical Grade H13 True HEPA layer that removes 99.99% of bacteria, aerosolized viruses, and airborne particles larger than 0.1 micron. True HEPA filters last 3-5 months longer than standard filters, making them a cost-effective option for individuals looking to maintain clean air in their homes or workspaces.
One of the most impressive features of this air purifier is its ability to clean air quickly. It can clean up to 700 square feet every 30 minutes, which is twice as fast as key competitors on Turbo speed. This makes it an ideal option for larger rooms, including bedrooms, living rooms, offices, nurseries, kitchens, and basements.
The Alen BreatheSmart FLEX Air Purifier is a versatile appliance that can be used in several settings. It is an excellent choice for classrooms, doctor’s offices, hotels, bars, lounges, restaurants, and most importantly, your home. It makes for a perfect gift for smokers and pet owners who need to improve their indoor air quality while caring for their loved ones.
10. Pureair Hsp001 – Ultimate Allergen Eliminator.
This air purifier is a must-have for every home, office, or living space. With its 5-in-1 filter system, it effectively targets and removes pollen, dust, pet dander, VOC’s, smoke, and odors, delivering clean and fresh air for you and your family to breathe. Its H11 HEPA filter is capable of capturing 99.9% of particles as small as 0.3 microns, ensuring that you are breathing only the cleanest air possible.
This smart air purifier comes with a True HEPA filter set, a remote control, a manual, and a 2-year warranty, giving you the peace of mind that comes from a trusted American brand. You can also enjoy award-winning customer support 7 days a week, ensuring that all your concerns and queries are addressed promptly.
With its unique honeycomb activated-carbon filter, this air purifier not only cleans the air but also eliminates odors, smoke, and VOC’s, making it both an air cleaner and odor eliminator. Its state-of-the-art fan and motor ensure that clean air is delivered quietly and efficiently in any space, whether it be your home, bedroom, office, kitchen, basement, dorm, apartment, or living room.
Breathing clean air has never been easier! With over 10,000 positive reviews, this air purifier is proven to assist and support the body's natural response during allergy season, helping you breathe easier and feel better.
This smart air purifier features an AUTO mode that detects pollutants in your air, adjusting the fan speed in real-time for optimal air quality. A digital display on the unit reveals your air quality level, so you always know what you’re breathing. With its sleek design and smart features, this air purifier is the perfect addition to any space.
Best Air Purifier For Dust And Mold FAQs
Are there any air purifiers specifically designed for people with allergies to dust and mold?
Yes, there are air purifiers specifically designed for people with allergies to dust and mold. These types of air purifiers usually feature HEPA (High-Efficiency Particulate Air) filters, which are designed to capture particles as small as 0.3 microns in size, including dust, mold spores, and other allergens. Some air purifiers also feature activated carbon filters, which can help to remove odors and chemicals from the air.
When looking for an air purifier for allergies to dust and mold, it is important to consider the size of the room where you will be using it, as well as the specific features of the air purifier. Some models are designed for smaller rooms, while others are better suited for larger spaces. Additionally, some air purifiers are designed to be more quiet, while others may produce more noise.
Overall, it is important to do your research and read reviews from other allergy sufferers to find the best air purifier for your specific needs.
Are there any air purifiers that are particularly quiet and effective at removing dust and mold?
Yes, there are air purifiers that are specifically designed to be quiet and effective at removing dust and mold from the air. When looking for an air purifier, it is important to consider the following features:
1. HEPA filters – High-Efficiency Particulate Air (HEPA) filters are designed to capture particles as small as 0.3 microns, which includes dust and mold spores.
2. Quiet operation – Look for air purifiers with low decibel (dB) ratings, as these will operate quietly and not disturb your daily routine.
3. Multiple stages of filtration – Air purifiers with multiple stages of filtration, including pre-filters and activated carbon filters, can help to remove a wider range of contaminants from the air.
Some popular air purifiers that are quiet and effective at removing dust and mold include the Coway AP-1512HH Mighty Air Purifier, the Winix 5500-2 Air Purifier, and the Honeywell HPA300 True HEPA Air Purifier. These models have been tested and proven to effectively remove dust and mold while operating quietly.
Are there any portable air purifiers that are particularly effective at removing dust and mold?
Yes, there are several portable air purifiers available in the market that are particularly effective at removing dust and mold. Two types of air purifiers that are known for their efficiency in removing dust and mold are HEPA air purifiers and activated carbon air purifiers.
HEPA or High-Efficiency Particulate Air purifiers use a dense filter that traps particles such as dust, mold, and pet dander. They can remove up to 99.97% of particles as small as 0.3 microns in size. HEPA air purifiers are highly recommended for people with allergies or respiratory issues.
Activated carbon air purifiers use activated carbon to absorb impurities and pollutants from the air, including mold spores and dust. They are also effective in removing odors and chemicals from the air. Activated carbon air purifiers are ideal for people living in areas with high levels of pollution or with strong odors.
Some of the most popular portable air purifiers for removing dust and mold include the Coway AP-1512HH Mighty Air Purifier, Dyson Pure Cool TP04 Air Purifier, and Winix 5300-2 Air Purifier. It is important to consider the size of the room, the type of filter, and the noise level when selecting an air purifier.
Can air purifiers help prevent the growth of mold in a home?
Yes, air purifiers can help prevent the growth of mold in a home. Mold thrives in damp and humid environments and can easily spread through the air. Air purifiers with HEPA filters can capture mold spores and prevent them from circulating in the air and settling on surfaces. Additionally, some air purifiers have UV-C light technology that can kill mold spores and prevent them from growing. However, it’s important to note that air purifiers alone cannot completely eliminate mold growth. Proper ventilation and humidity control are also important factors in preventing mold growth. It’s recommended to keep indoor humidity levels below 60%, fix any leaks or water damage promptly, and regularly clean and maintain the air purifier to ensure it’s functioning properly.
How effective are air purifiers at removing dust and mold from indoor air?
Air purifiers can be very effective at removing dust and mold from indoor air, especially those that are equipped with HEPA (High-Efficiency Particulate Air) filters. HEPA filters are designed to capture particles as small as 0.3 microns, which includes most dust and mold spores. Air purifiers with HEPA filters are highly effective at removing these contaminants from indoor air, improving the air quality and reducing the risk of respiratory problems associated with exposure to these particles.
In addition to HEPA filters, some air purifiers also use activated carbon filters, which can help to remove odors and volatile organic compounds (VOCs) from indoor air. This can be particularly beneficial for people with allergies or asthma, as well as those living in areas with high levels of air pollution.
It is important to note, however, that air purifiers are not a substitute for proper ventilation and regular cleaning. Keeping your home well-ventilated and free of excess moisture is essential for preventing mold growth, while regular dusting and vacuuming can help to minimize dust and other airborne particles.
How much do air purifiers for dust and mold typically cost?
The cost of air purifiers for dust and mold varies depending on the brand, features, and size of the unit. Generally, air purifiers designed to eliminate dust and mold can cost anywhere from $50 to $500 or more. The most affordable options are typically small, portable units designed for use in a single room, while larger, more powerful models can cost several hundred dollars. Additional features like HEPA filters or UV-C technology can also increase the price of an air purifier. It's important to consider the size of the space you want to purify, as well as your specific air quality needs, when choosing an air purifier. Investing in a high-quality air purifier may be more expensive upfront, but it can provide long-term benefits for your health and well-being.
How often do air filters need to be changed in an air purifier for dust and mold?
The frequency of changing air filters in an air purifier for dust and mold depends on various factors such as the type and quality of the filter, the amount of pollutants in the air, and the usage of the purifier. Generally, it is recommended to change the filter every 3 to 6 months for optimal performance and maximum efficiency. However, if the air quality is poor or if the purifier is used frequently, the filter may need to be changed more frequently, perhaps every 1 to 2 months. It is advisable to check the manufacturer's instructions for specific recommendations regarding the filter replacement schedule. Regularly changing the air filter is crucial for ensuring that the purifier effectively captures and removes dust and mold particles from the air, thus providing clean and healthy air for you and your family to breathe.
What are some of the top-rated air purifiers for dust and mold on the market today?
There are several air purifiers available on the market that are highly effective in reducing dust and mold. One of the top-rated air purifiers for dust and mold is the Coway AP-1512HH Mighty Air Purifier. This air purifier uses a four-stage filtration system that includes a pre-filter, activated carbon filter, True HEPA filter, and Vital Ion technology to capture and eliminate dust, mold, and other airborne pollutants. Another highly rated air purifier is the Honeywell HPA300 True HEPA Air Purifier. It features a True HEPA filter that captures up to 99.97% of airborne particles, including mold and dust, as well as an activated carbon pre-filter to reduce odors. The Levoit LV-PUR131S Smart Wi-Fi Air Purifier is also a popular option for dust and mold removal as it uses a three-stage filtration system and can be controlled with a smartphone app. Other options include the Winix 5500-2 Air Purifier and the Blueair Blue Pure 211+. It is essential to consider the room size, noise level, and maintenance cost before choosing an air purifier.
What are the best air purifiers for removing dust and mold from the air?
When it comes to removing dust and mold from the air, there are several air purifiers on the market that can do an excellent job. Here are some of the best air purifiers that can remove dust and mold from the air:
1. IQAir HealthPro Plus Air Purifier: This air purifier is one of the best in the market, designed to remove airborne particles such as dust, mold spores, and allergens from the air.
2. Blueair Classic 605 Air Purifier: This air purifier uses HEPASilent technology to remove airborne pollutants such as dust and mold spores. It is also very quiet and can clean the air in large rooms.
3. Honeywell HPA300 Air Purifier: This air purifier is excellent for removing dust and mold from the air. It features a HEPA filter, which can capture up to 99.97% of airborne particles as small as 0.3 microns.
4. Coway AP-1512HH Mighty Air Purifier: This air purifier is compact and powerful. It features a True HEPA filter and can remove airborne pollutants such as dust, mold, and allergens from the air.
It is important to note that no air purifier can completely eliminate dust and mold from the air, but these air purifiers can significantly reduce their levels in the indoor environment.
What are the key features to look for in an air purifier for dust and mold?
When looking for an air purifier to combat dust and mold, there are a few key features to consider. Firstly, the size of the purifier should be appropriate for the room it will be used in. It's important to check the purifier's Clean Air Delivery Rate (CADR) which measures the amount of air the purifier can clean per minute. A higher CADR rating means the purifier can clean a larger room more quickly.
Secondly, look for a purifier with a true HEPA filter, which is capable of capturing particles as small as 0.3 microns, including dust, mold spores, and other allergens. Additionally, consider a purifier with a pre-filter to capture larger particles such as pet hair and dust.
Thirdly, some air purifiers come with additional features such as UV-C light or ionizers that can help kill bacteria and viruses in the air. However, it's important to note that these features may produce ozone, which can be harmful to some individuals.
Finally, consider the noise level of the purifier, especially if it will be used in a bedroom or other quiet space. Look for a purifier with a noise level of 50 decibels or less. Overall, a good air purifier for dust and mold should be appropriately sized, have a true HEPA filter and pre-filter, and additional features that fit your specific needs.