
The Alen BreatheSmart 45i is ideal for bedrooms and other rooms up to 800 sq. ft. Proven to improve sleep by and independent SleepScore Labs study, the BreatheSmart 45i emits a soothing pink noise that boosts frequencies in the lower octaves, so you wake up feeling rested. Alen air purifiers offer superior performance through the combination of a powerful fan, quiet motor, and advanced filtration technology to deliver and maximize airflow while minimizing noise. Our medical-grade filters capture particles as small as 0.1 micron, removing even the tiniest pollutants including dust, pollen, pet dander, mold spores, germs and bacteria, and more. Laser sensor technology detects when particles are present and auto-adjusts fan speed, so you don’t have to. The 5 color coded rings show your indoor air quality at a glance and let you see how Alen is working to clean the air quickly and efficiently. Get real time air quality insights, view historical trends, or control your purifier remotely using the Alen Air app. Alen air purifiers are backed by the industry’s only Forever Guarantee.
A: The BreatheSmart 45i uses a True HEPA filter, which is 99.9% efficient at capturing particles down to 0.1 microns in size. This includes dust, allergens, pollen, pet dander, mold spores, germs, and bacteria.
A: The BreatheSmart 45i improves sleep quality by emitting a soothing pink noise that boosts frequencies in the lower octaves. This is supported by a peer-reviewed study conducted by SleepScore Labs, which found that the BreatheSmart 45i significantly improved sleep quality in participants.
A: Yes, the BreatheSmart 45i air purifier has a Fresh Filter that uses activated carbon to mitigate common household odors and absorb light chemicals and VOCs. This filter is particularly effective in removing light household odors, cooking smells, and chemicals.
A: The BreatheSmart 45i measures 15 inches in width, 25 inches in height, and 8.5 inches in depth. It weighs 15 pounds. Compared to other air purifiers, it is considered to be relatively compact and lightweight, making it suitable for use in various room sizes.
A: The noise level of the BreatheSmart 45i on its highest setting is equivalent to the sound of gentle rainfall. Compared to other air purifiers, it operates quietly, allowing for a peaceful environment.
Q: How much energy does the BreatheSmart 45i consume, and how much does it cost to operate per day?
A: The BreatheSmart 45i consumes 50 Watts of energy on its highest setting. Operating the air purifier 24 hours a day at this setting would cost approximately $0.12 per day based on average U.S. electricity rates.
A: Alen offers a one-year factory warranty and a lifetime warranty for its BreatheSmart 45i air purifier. The lifetime warranty is transferable and requires product registration and enrollment in a filter subscription program within 12 months of purchase. Compared to other air purifier brands, Alen's warranty stands out for its lifetime coverage and transferability, providing long-term protection and peace of mind to consumers.
A: Yes, you can control the BreatheSmart 45i remotely using the Alen Air app. The app allows you to view real-time air quality, see historical trends, control your purifiers remotely, set air quality notifications, and get reminders when it's time to replace your filter.
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The Alen BreatheSmart 45i is ideal for bedrooms and other rooms up to 800 sq. ft. Proven to improve sleep by and independent SleepScore Labs study, the BreatheSmart 45i emits a soothing pink noise that boosts frequencies in the lower octaves, so you wake up feeling rested. Alen air purifiers offer superior performance through the combination of a powerful fan, quiet motor, and advanced filtration technology to deliver and maximize airflow while minimizing noise. Our medical-grade filters capture particles as small as 0.1 micron, removing even the tiniest pollutants including dust, pollen, pet dander, mold spores, germs and bacteria, and more. Laser sensor technology detects when particles are present and auto-adjusts fan speed, so you don’t have to. The 5 color coded rings show your indoor air quality at a glance and let you see how Alen is working to clean the air quickly and efficiently. Get real time air quality insights, view historical trends, or control your purifier remotely using the Alen Air app. Alen air purifiers are backed by the industry’s only Forever Guarantee.

The Shark NeverChange Air Purifier MAX is designed for 10x longer filter life, saving you $300 or more in filter replacement costs over 5 years*. It captures 99.98% of airborne particles like allergens*, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2 microns). It covers up to 1400 sq. ft. for powerful, multi-room purification. Odor Neutralizer Technology guards against odors throughout your home, releasing a fresh scent into your air for 2x better odor reduction vs. filtration alone, Based on ASTM E544 vs. HP300 with filter and carbon only, after 30 minutes. *Allergen refers to non-living matter. *Vs. cost of replacing filters on a competitor unit over 5-year period in 300 square foot space.

Completely refresh your space with the Levoit PlasmaPro® 600S-P Smart Air Purifier. The air purifier quickly refreshes large areas, like an apartment or loft up to 2,956 sq ft (1 ACH), with its aerodynamic air duct design and spiral 360° airflow. The 3-stage filtration system includes a Pre-Filter, Main Filter, and Custom High-Efficiency Activated Carbon Filter. Together, they capture at least 99.97% of airborne particles down to 0.3 microns and help remove smoke, fumes, VOCs, and household odors. Use the VeSync app to create schedules, connect to voice assistants, check filter life, control settings, receive real-time air quality updates, and more.

Introducing the Atem X air purifier, a premium-quality air cleaning solution designed to keep your indoor air fresh and clean. With its inspired, slim and bionic minimalist design, the Atem X air purifier effectively removes airborne viruses, bacteria, allergens, mold spores, dust, smoke and other harmful particles, while adding a touch of elegance to your interior space. The purifier operates ultra-quietly and automatically adjusts to the air quality with its smart sensor-based operation, allowing for seamless and effective cleaning. The air quality glow indicator gives real-time feedback on the air quality in your space, and the purifier boasts one of the highest energy efficiency ratings, saving you money on your energy bill. The free AirVisual app gives you full control over the purifier, allowing you to choose from eight fan speed settings, set cleaning sessions with advanced scheduling or choose from three automatic sensor-based smart modes. The smart filters are designed for optimized filter life, so you can enjoy clean air for longer without having to worry about frequent replacements. The detachable mobile base makes Atem X air purifier easy to move from room to room, but can be left off if a permanent location is preferred. Unlike other air purifiers that have to be placed in the middle of the room for optimal air cleaning, Atem X can be placed anywhere in a room. Patented Air Rotation Technology allows to freely adjust the air outlet for maximum room circulation even when placed in a corner or against a wall. The adjustable power cord length of between 10 cm (4 in) and 2.3 m (90.5 in) makes for a neat installation. With its Swiss design and Germany quality, the Atem X air purifier is the ideal choice for those who demand the best in air purification, advanced control and connectivity and a space saving, elegant design.
| Pros for Alen - BreatheSmart 45i 800 SqFt Air Purifier with Fresh HEPA Filter for Allergens, Dust, Odors & Smoke - White | |||
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| There were no pros for this product— | Air Quality, Noise Level, Overall Performance, Odor Removal, Filter Life | Air Quality, Noise Level, Overall Performance, Odor Removal, Ease of use | There were no pros for this product— |
