Name: Alen Air Purifier BreatheSmart 45i HEPA with Fresh Filter + Carbon for Large Rooms |1900 Sq. Ft| Perfect for Bedrooms - Captures Dust + VOCs & Wild...
Brand: Alen
SKU: B0FPD2J63T
Price: 464 USD
Availability: InStock
Rating: 4.4 (60 reviews)

Our Verdict

BLUEAIR Air Purifier Wins

BLUEAIR Air Purifier for Large Rooms & Home - Odor Eliminating Cleans up to 3385 ft², HEPASilent, Smart WiFi, Auto Mode, Doubles as Table, Removes Dust, Smoke, Pet Hair, AHAM Verified, Blue Signature - High-End Air Purifiers

It excels with a 2163.2 CADR and 3385 sq ft coverage, vastly surpassing Alen's 1216 CADR and 1900 sq ft. Choose Alen if quiet bedroom operation and VOC filtration are primary, and extreme odor removal isn't a top concern.

$450Buy on Amazon

Bottom Line: BLUEAIR Air Purifier is the better choice. It excels with a 2163.

Key Differences

The most significant spec differences at a glance

1,216

Cadr Smoke

44% less

2,163.2

1,900

Coverage Sq Ft

44% less

3,385

Advantages

Where each product wins

BLUEAIR

Cadr Smoke: 44% higher (1216 vs 2163.2)
Coverage Sq Ft: 44% higher (1900 vs 3385.0)

Who Should Buy Which?

Find the right product for your needs

Buy Alen if...

Alen Air Purifier BreatheSmart

This purifier is ideal for individuals prioritizing quiet operation and comprehensive air purification in moderately large rooms like bedrooms, master suites, or open-plan living areas up to 1900 sq ft. If you suffer from allergies, or are sensitive to noise, and need robust filtration for dust, pet dander, VOCs, and smoke particles down to 0.1 micron, the Alen 45i's smart sensor and 'Fresh Filter + Carbon' system provide effective, discreet cleaning without disturbing your peace.

Buy BLUEAIR if...

BLUEAIR Air Purifier for

The Blueair Air Purifier is perfect for homeowners with very large open spaces, apartments, or commercial areas up to 3385 sq ft who demand top-tier air cleaning performance. If you frequently deal with heavy smoke, pet odors, or need rapid air turnover, its high smoke CADR of 2163.2 and OdorFence technology are unmatched. The smart WiFi features and its ability to double as a side table also appeal to tech-savvy users who value integrated design and powerful, expansive air quality management.

Spec Comparison

6 specs compared

Specification	Alen Air Purifier BreatheSmart	BLUEAIR Air Purifier for
Price	$464	$450
Rating	4.4(60)	4.6(177)
Cadr Smoke	1216	2163.2
Coverage Sq Ft	1900	3385
Filter Type	HEPA	HEPASILENT
Model Number	45i_V2	—
Smart Sensor	Yes	Yes
WiFi	—	Yes

Swipe horizontally to see all columns

Pros & Cons

Quick overview of strengths and weaknesses

Alen Air Purifier

Pros

Covers up to 1900 sq ft hourly
Captures particles down to 0.1 micron
Filters VOCs, odors, chemicals
Quiet operation promotes sleep

Cons

Limited absorption for heavy odors/chemicals
Requires periodic filter replacement

BLUEAIR Air Purifier

Pros

Covers large areas up to 3385 sq ft.
Removes 99.97% of particles down to 0.1 microns.
High CADR of 2163.2 for smoke removal.
OdorFence technology removes strong odors.

Cons

Interactive display animations offer no utility.
Requires recurring purchase of replacement filters.
Optimal performance relies on WiFi connectivity.

Frequently Asked Questions

Common questions about this comparison

Which is better for very large rooms or homes with significant odor issues?

The BLUEAIR Air Purifier is superior, covering 3385 sq ft with a 2163.2 CADR for smoke. Its OdorFence technology specifically targets strong odors, whereas the Alen has limited absorption for heavy odors and covers 1900 sq ft.

What is the primary difference in air purification capacity between the two models?

The BLUEAIR has significantly higher capacity, covering 3385 sq ft with a smoke CADR of 2163.2. The Alen 45i covers 1900 sq ft and has a smoke CADR of 1216, making it suitable for smaller large rooms.

Which air purifier is a better choice for a bedroom setting?

The Alen BreatheSmart 45i is marketed for bedrooms and emphasizes quiet operation, which promotes sleep. While the BLUEAIR offers broader coverage, the Alen is designed with a specific focus on a calm bedroom environment.

Do both purifiers effectively remove small particles like dust and pet dander?

Yes, both are highly effective. The Alen captures particles down to 0.1 micron. The BLUEAIR removes 99.97% of particles down to 0.1 microns, ensuring comprehensive removal of dust, smoke, and pet hair.