Name: Alen Air Purifier BreatheSmart 45i HEPA with Odor Filter for Large Rooms up to 1900 Sq. Ft. - Perfect for Bedrooms & Home Offices - Captures Dust -...
Brand: Alen
SKU: B0FPCVBMLJ
Price: 479 USD
Availability: InStock
Rating: 4.7 (754 reviews)

Our Verdict

Alen BreatheSmart 45i Wins

Alen Air Purifier BreatheSmart 45i HEPA with Odor Filter for Large Rooms up to 1900 Sq. Ft. - Perfect for Bedrooms & Home Offices - Captures Dust - White - High-End Air Purifiers

It offers a strong CADR smoke of 253.33 and covers 395.83 sq ft, unlike Dyson's 0 for both. Choose Dyson if you prioritize cooling airflow and basic air circulation over dedicated air purification.

$479Buy on Amazon

Bottom Line: Alen BreatheSmart 45i is the better choice. It offers a strong CADR smoke of 253.

Key Differences

The most significant spec differences at a glance

253.33

Cadr Smoke

100% more

395.83

Coverage Sq Ft

100% more

Advantages

Where each product wins

Alen

Cadr Smoke: 100% higher (253.33 vs 0)
Coverage Sq Ft: 100% higher (395.83 vs 0)

Who Should Buy Which?

Find the right product for your needs

Buy Alen if...

Alen Air Purifier BreatheSmart

The ideal buyer for the Alen BreatheSmart 45i is someone prioritizing robust and dedicated air purification for medium to large rooms up to 395.83 sq ft. If you need to effectively remove smoke (CADR 253.33), dust, pet dander, or strong household odors, and value a medical-grade HEPA filter and ultra-quiet operation for bedrooms, this product is for you. This buyer is willing to invest $479.0 for superior air quality and quiet performance, and appreciates features like the SmartSensor auto-adjusting fan speed.

Buy Dyson if...

Dyson Purifier Cool™ Autoreact

The Dyson Purifier Cool Autoreact TP7A is perfect for individuals seeking a multi-functional device that combines basic air purification with a cooling fan. If your primary need is general air circulation and some particle filtration, along with the convenience of a fan for comfort, the Dyson is suitable. This buyer might not have specific concerns like heavy smoke removal (CADR smoke 0) and values the integrated air quality sensor and versatile airflow options. At $412.52, it's a good choice for those who appreciate design and dual-purpose functionality.

Spec Comparison

4 specs compared

Specification	Alen Air Purifier BreatheSmart	Dyson Purifier Cool™ Autoreact
Price	$479	$385
Rating	4.7(754)	4.4(170)
Cadr Smoke	253.33	0
Coverage Sq Ft	395.83	0
Filter Type	HEPA Odor Filter	—
Smart Sensor	Yes	Yes

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Pros & Cons

Quick overview of strengths and weaknesses

Alen Air Purifier

Pros

Neutralizes strong household odors
Medical-grade filter captures 0.1 micron particles
SmartSensor auto-adjusts fan speed
High CADR smoke rating (253.33)

Cons

Effective coverage (395 sq ft) less than advertised
Pink noise feature may not be preferred by all users
Requires periodic filter replacement

Dyson Purifier Cool™

Pros

Automatic air purification
Provides cooling airflow
360-degree filtration system
User selects direct or diffused airflow

Cons

Zero CADR rating for smoke
No specified room coverage area

Frequently Asked Questions

Common questions about this comparison

Which air purifier is better for smoke removal?

The Alen BreatheSmart 45i is significantly better for smoke, boasting a CADR smoke rating of 253.33. The Dyson Purifier Cool Autoreact TP7A has a listed CADR smoke rating of 0, indicating it's not designed for effective smoke removal.

What's the main difference in room coverage?

The Alen BreatheSmart 45i provides effective coverage for rooms up to 395.83 sq ft. The Dyson Purifier Cool Autoreact TP7A does not specify a room coverage area, making it difficult to assess its suitability for different room sizes.

Is the price difference worth it?

The Alen is priced higher at $479.0, but its superior purification capabilities, especially for smoke and odors, justify the cost for those prioritizing clean air. The Dyson ($412.52) offers a cooling fan function in addition to purification.

Which product offers additional features beyond purification?

The Dyson Purifier Cool Autoreact TP7A uniquely provides cooling airflow and functions as a fan, with selectable direct or diffused airflow. The Alen Alen Air Purifier BreatheSmart 45i focuses on advanced air cleaning, including odor neutralization.