TheStreet aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission.
Air quality plays a major role in overall health and comfort, especially inside the home where people spend most of their time. During summer months, air purifiers can become particularly valuable as wildfires, increased pollen levels, and other airborne pollutants make their way indoors. Even when doors and windows are closed, particles can enter the home and affect the indoor air quality. Air purifiers help capture these contaminants before they circulate throughout living spaces, creating a cleaner environment for families. They can reduce common household irritants like dust, mold, pet dander, and odors, depending on the type you get.
Most air purifiers rely on a combination of filters to remove pollutants. HEPA filters are among the most common and are designed to capture very small particles, while activated carbon filters help absorb smoke and other odors. Some units also include washable pre-filters that trap larger particles. Regardless of the type, regular filter replacement is an important part of maintaining performance. A clogged or worn-out filter can reduce airflow and limit effectiveness. Some air purifiers have sensors that let you know when it’s time to change the filter, and some of them you have to check on your own, but by following the recommended maintenance schedules, you can get the most benefit from your system.
Compact and portable purifiers
These purifiers are designed to provide cleaner air without taking up tons of space or being difficult to manage. These smaller units are ideal for bedrooms, home offices, dorm rooms, and small apartments. Many portable or compact models can be moved from room to room, allowing users to focus on the area that needs it the most, and can also be easily carried on car trips. Some models are so small they’re handheld and can be packed in your backpack or attached to your bag with a strap. Whether placed on the shelf, nightstand, or office desk, compact purifiers can continuously remove dust and pollen while fitting more easily into a busy lifestyle.
Convenience and affordability are other advantages of smaller air purifiers. Smaller units often consume less energy than larger models and can provide targeted air cleaning without a major investment. They can be useful for people who spend most of the time in a single room or want additional filtration where they sleep or work. While they don’t cover an entire home, compact options offer a practical and easy-to-use solution for improving indoor air quality while remaining easy to operate.
Homedics True HEPA Air Purifier
Pure Enrichment Portable Mini Purifier
Levoit 3-in-1 Hepa Purifier
Air purifiers for allergies and pet owners
For households dealing with allergies or pets, specialized air purifiers can make a noticeable difference in daily comfort. These models are usually equipped with high-efficiency filtration systems that capture pollen, dust mites, pet dander, and more. By continuously removing these irritants, allergy-focused purifiers can help reduce exposure and create a cleaner environment. This can be extra beneficial during allergy seasons with pollen or if you have kids kicking up dust around the house.
Pet owners may benefit from air purifiers as well, opting for ones that are especially designed to handle higher concentrations of fur and dander. Pets naturally shed hair and skin that can accumulate and trigger allergic reactions, but many allergy-focused models include pre-filters that capture larger particles like hair before they reach the main filters, which helps reduce overall air pollutants. Combined with regular cleaning and grooming, an air purifier can help keep indoor air fresher and more comfortable for both people and pets.
Filter selection is important when choosing one for allergies. Many of the most effective models use true HEPA filters, which are designed to capture extremely small airborne particles that can contribute to symptoms. Some units also feature carbon filters, but because these filters are constantly trapping particles, regular maintenance is essential for keeping a low-allergy home. Pet owners may need to replace or wash filters more regularly than other users due to higher amounts of dander in the air, but many filters offer bulk filter discounts or packs with multiple types of filters, making it more affordable to keep your air clean.
Puroair 240 Hepa Large Room Purifier
Levoit Core 3-Stage Filtration Purifier
Ecoself Large Room True Hepa Air Purifier
Smart air purifiers
Smart air purifiers combine advanced filtration with modern technology features that make managing air quality even easier. Many models include built-in air quality sensors that monitor air continuously and change the fan speeds when needed. Others allow you to connect your smartphone to monitor air quality daily or change settings and operation times. These features provide convenience while helping to ensure efficient operation that you can check anywhere, anytime.
In addition, smart air purifiers can offer more personalized quality management. Real-time monitors allow homeowners to see how activities, such as cooking, cleaning, opening windows, or seasonal smoke, affect the indoor air quality. Automatic modes respond to the changing conditions without requiring manual adjustments while also keeping you updated, helping to maintain cleaner air with minimal effort. They also offer maintenance reminders from virtually anywhere, allowing you to breathe easy knowing you won’t have to keep up with filter changes on your own. For busy households looking for a more hands-off solution, smart air purifiers provide a combination of powerful filtration and technology that help create a healthier and more convenient home environment.
Ter Air Smart Air Purifier
Renpho Large Room Smart Air Purifier with Quality Monitor
GermGuardian Large Room Hepa Smart Purifier
What’s best for your needs?
The best option for you comes down to your space, lifestyle, and air concerns. Compact and portable models are great for busy individuals looking for a bit of extra air quality support in the car, in the office, or in apartments. Households with pets or severe allergies may want to opt for a larger and higher-efficiency option to ensure pollutants are managed. Meanwhile, smart purifiers offer added convenience and support through automatic adjustments and app-based controls that allow you to more easily manage the quality of your home. It’s also good to take into consideration the cost of replacement filters, as some allow you to wash the filter while others require buying more filters.
TheStreet Shopping is your guide for shopping insights and advice. We look beyond the price tag to find the best value in home, tech, and wellness gear based on product features and real-world use.