Name: Alen Air Purifier BreatheSmart 45i HEPA with Pure Filter for Large Rooms up to 1900 Sq. Ft. - Perfect for Bedrooms & Home Offices - Captures Dust -...
Brand: Alen
SKU: B0FPD3RTJQ
Price: 313.06 USD
Availability: InStock
Rating: 4.7 (754 reviews)

Our Verdict

Alen BreatheSmart 45i Wins

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

Superior CADR smoke (1216 vs 391) and covers larger rooms (1900 sq ft vs 606 sq ft). Choose LEVOIT for smart Wi-Fi/Alexa control and a slightly lower price.

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Bottom Line: Alen BreatheSmart 45i is the better choice. Superior CADR smoke (1216 vs 391) and covers larger rooms (1900 sq ft vs 606 sq ft).

Key Differences

The most significant spec differences at a glance

1,216

Cadr Smoke

211% more

391

1,900

Coverage Sq Ft

214% more

606

Advantages

Where each product wins

Alen

Cadr Smoke: 211% higher (1216.0 vs 391.0)
Coverage Sq Ft: 214% higher (1900.0 vs 606.0)

Who Should Buy Which?

Find the right product for your needs

Buy Alen if...

Alen Air Purifier BreatheSmart

The Alen BreatheSmart 45i is ideal for individuals or families residing in exceptionally large spaces, such as open-concept living areas, large master bedrooms, or expansive home offices, up to 1900 sq ft. If your primary concern is superior air purification, especially fast smoke removal with its 1216 CADR smoke rating, and you prioritize a quiet environment for optimal sleep with pink noise, this unit is perfect. It caters to those seeking maximum performance and particle filtration without needing smart app or voice controls, willing to invest slightly more for top-tier coverage.

Buy LEVOIT if...

LEVOIT Air Purifiers for

The LEVOIT Core 600S-P is best suited for tech-savvy individuals who value seamless smart home integration, offering Wi-Fi connectivity and Alexa control. Ideal for medium-to-large rooms up to 606 sq ft, it appeals to those prioritizing energy efficiency (Energy Star certified) and precise air quality monitoring via its PM2.5 sensor. If you seek a balance of effective air purification, modern conveniences like app control, a quiet operation at 26dB minimum, and a slightly more budget-friendly price point, the LEVOIT Core 600S-P is an excellent choice for a connected home.

Spec Comparison

7 specs compared

Specification	Alen Air Purifier BreatheSmart	LEVOIT Air Purifiers for
Price	$313	$300
Rating	4.7(754)	4.7(23.2k)
Cadr Smoke	1216	391
Coverage Sq Ft	1900	606
Noise Level db Min	—	26 dB
Filter Type	HEPA	True HEPA
Smart Sensor	Yes	Yes
Energy Star	—	Yes
WiFi	—	Yes

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Pros & Cons

Quick overview of strengths and weaknesses

Alen Air Purifier

Pros

Covers up to 1900 sq ft per hour
Filters 99.9% of 0.1 micron particles
SmartSensor adjusts fan speed automatically
Generates pink noise for sleep optimization

Cons

No stated activated carbon for odor removal
Remote app control functionality not specified
Does not specify VOC filtration capability

LEVOIT Air Purifiers

Pros

AHAM certified for tested performance and efficiency
Covers rooms up to 2933 sq ft per hour
True HEPA filter removes 0.1-0.3m particulates
Auto Mode adjusts fan speed based on air quality

Cons

Requires specific Levoit replacement filters
Off-brand filters may damage unit or reduce efficacy

Frequently Asked Questions

Common questions about this comparison

Which air purifier is better for very large rooms?

The Alen BreatheSmart 45i is significantly better for very large rooms, covering up to 1900 sq ft effectively. In contrast, the LEVOIT Core 600S-P is rated for rooms up to 606 sq ft, making Alen the clear choice for expansive spaces.

What's the main difference in smoke removal effectiveness?

The Alen BreatheSmart 45i boasts a CADR smoke rating of 1216, which is substantially higher than the LEVOIT Core 600S-P's 391 CADR smoke. This means the Alen will remove smoke particles much faster and more efficiently.

Is the price difference worth it between the two models?

The Alen is slightly more expensive ($313.06 vs $299.99) but offers significantly greater coverage (1900 vs 606 sq ft) and smoke CADR. The LEVOIT offers smart Wi-Fi/Alexa control and energy efficiency for its price point.

Which unit offers better smart features and connectivity?

The LEVOIT Core 600S-P offers superior smart features, including Wi-Fi connectivity and Alexa control, along with a PM2.5 monitor. While the Alen 45i has a SmartSensor, it does not specify app or voice assistant integration.

Which air purifier operates more quietly?

The LEVOIT Core 600S-P specifies a minimum noise level of 26dB, making it very quiet for sleep mode. The Alen 45i also promises quiet operation and generates pink noise for sleep, but a specific decibel level isn't provided.