
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 Air Purifier is ideal for bedrooms as it emits a soothing pink noise, which boosts frequencies in the lower octaves, promoting restful sleep. Additionally, its whisper-quiet operation ensures a peaceful sleeping environment.
Q: What is the Forever Guarantee offered by Alen, and how does it provide peace of mind to customers?
A: Alen's Forever Guarantee provides customers with peace of mind by offering a lifetime warranty on their air purifiers. To activate the warranty, customers must register their product and enroll in a filter subscription program within 12 months of purchase. With this guarantee, Alen ensures that customers are protected against any defects in materials or workmanship for the entire lifespan of their air purifier.
A: The Pure filter in the BreatheSmart 45i Air Purifier uses thick layers of medical-grade H13 True HEPA material to capture harmful particles. It efficiently traps 99.9% of dust, allergens, aerosolized mold, and virus particles down to 0.1 microns, providing effective air purification for everyday home use, allergy and asthma sufferers, and virus concerns.
A: The BreatheSmart 45i Air Purifier is recommended for rooms up to 800 square feet. It efficiently circulates the air in large spaces, cleaning 800 square feet every 30 minutes. The air purifier operates quietly, making it suitable for use in bedrooms and other living areas.
A: Yes, the BreatheSmart 45i Air Purifier can be connected to a Wi-Fi network via the Alen Air app. This connectivity allows users to view real-time air quality, monitor historical trends, control the purifier remotely, set air quality notifications, and receive reminders for filter replacements.
A: The B4-Pure Air Filter plays a crucial role in the air purification performance of the BreatheSmart 45i Air Purifier. It is a True HEPA filter that captures 99.9% of dust, allergens, pollen, pet dander and fur, and airborne particles down to 0.1 microns. This ensures that the air in your room is clean and free from harmful pollutants.
A: The BreatheSmart 45i Air Purifier is ENERGY STAR Certified, using only 50 watts of power on its highest setting, making it energy efficient compared to other air purifiers. It costs approximately $0.12 per day to operate for 24/7 operation.
A: The BreatheSmart 45i air purifier offers multiple designer panel options to complement different room decors. These panels are easy to change, allowing users to customize the look of the purifier to match their changing décor preferences. The available panel options include various colors, patterns, and finishes, enabling users to select a panel that harmonizes with their room's style and color scheme.
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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.

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.

The Shark Air Purifier uses Pure Air Microforce to deliver fast, powerful, and quiet purification. Clean Sense IQ senses air quality & auto-adjusts to improve air quality and report results in real time. A HEPA filter captures 99.98% of airborne particles like allergens*, dust, and dander (based on IEST-RP-CC007.3, 0.1-0.2 microns). Cleans up to 1200 square feet.

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.
| Pros for Alen - BreatheSmart 45i 800 SqFt Air Purifier with Pure HEPA Filter for Allergens, Dust & Mold - Oak | |||
|---|---|---|---|
| Noise Level, Overall Performance, Air Purification, Design | Air Quality, Noise Level, Overall Performance, Ease of use, Odor Removal | Air Quality, Noise Level, Odor Removal, Ease of use, Performance | Air Quality, Noise Level, Overall Performance, Odor Removal, Filter Life |
| Cons for Alen - BreatheSmart 45i 800 SqFt Air Purifier with Pure HEPA Filter for Allergens, Dust & Mold - Oak | |||
| There were no cons for this product— | There were no cons for this product— | Display Brightness, Sensor Reliability | Size, Fan Speed |