Alen Air Purifier vs LEVOIT Air Purifiers: Which Should You Buy in 2026?

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 Alen Air Purifier 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

This purifier offers vastly superior air cleaning capability, with a CADR_smoke of 1216.0 compared to Levoit's 391.0, and covers a much larger area of 1900 sq ft versus Levoit's 606 sq ft. While priced higher at $313.06 against Levoit's $249.99, its performance for large rooms is unmatched. The LEVOIT Core 600S-P is the better pick for those prioritizing smart home integration with Wi-Fi/Alexa control and activated carbon filtration for odors at a more budget-friendly price point for smaller to medium rooms.

$313Check Price on Amazon

Bottom Line: Alen Alen Air Purifier BreatheSmart 45i is the better choice. This purifier offers vastly superior air cleaning capability, with a CADR_smoke of 1216.

In-Depth Analysis

How they compare in practice

The Alen BreatheSmart 45i and LEVOIT Core 600S-P represent two distinct philosophies in air purification, primarily differing in raw performance versus smart features and value. The Alen 45i is an undisputed powerhouse for large spaces, boasting an exceptional CADR_smoke of 1216.0, nearly three times that of the Levoit’s 391.0. This translates directly into significantly faster and more effective air purification in real-world scenarios, making it ideal for large, open-concept living areas up to 1900 sq ft. For someone needing to quickly clear smoke, dust, or allergens from a sprawling space, the Alen’s superior output ensures much quicker air turnovers and better overall air quality.

Conversely, the LEVOIT Core 600S-P, while having a respectable CADR of 391.0 and covering 606 sq ft (at a 5 ACH standard), shines in its integrated smart capabilities and value proposition. At $249.99, it's considerably more affordable than the Alen’s $313.06. Its Smart WIFI, PM2.5 monitor, and Alexa control provide modern convenience, allowing users to monitor and adjust settings remotely or with voice commands – features not specified for the Alen. Furthermore, the Levoit's 3-in-1 filter explicitly targets smoke, pet allergies, and dust, implying effective activated carbon filtration for odors, a capability not detailed for the Alen.

In terms of quietness, the Levoit offers a quantifiable low noise level of 26dB, making it excellent for bedrooms where undisturbed sleep is crucial. The Alen also promises quiet operation and uniquely generates 'pink noise' for sleep optimization, which could be appealing for some. The trade-off is clear: invest in the Alen for uncompromising purification capacity in vast areas, or opt for the Levoit for a feature-rich, connected experience that addresses odors and fits into a smart home ecosystem, all at a more accessible price, albeit for smaller coverage.

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)

Which to Pick for Your Situation

Concrete scenarios with a clear recommendation

For very large, open-concept living spaces

Alen

The Alen BreatheSmart 45i offers 1900 sq ft coverage and an impressive 1216.0 CADR_smoke, making it significantly more effective for vast areas.

For budget-conscious buyers prioritizing smart home features

LEVOIT

The LEVOIT Core 600S-P is priced lower at $249.99 and includes Smart WIFI and Alexa control for convenient operation.

For pet owners needing odor removal

LEVOIT

The LEVOIT Core 600S-P's 3-in-1 filter explicitly targets smoke, pet allergies, and dust, suggesting effective activated carbon for odor control.

For a quiet bedroom environment with sleep optimization

Tie

The Levoit operates at a low 26dB, while the Alen promises quietness and generates pink noise specifically designed for better sleep.

Who Should Buy Which?

Find the right product for your needs

Buy Alen if...

Alen Air Purifier BreatheSmart

The Alen BreatheSmart 45i is perfectly suited for individuals or families residing in expansive homes or open-concept living spaces where comprehensive air purification across large areas is a top priority. This buyer values raw purification power over smart connectivity, dealing with significant airborne pollutants like dust, allergens, or cooking smoke that can quickly spread across 1900 sq ft or more. They need an air purifier that can genuinely handle a vast space efficiently, ensuring rapid air turnover. The Alen's impressive CADR_smoke of 1216.0 is a critical spec for them, providing peace of mind that their large living room, dining area, or master bedroom with high ceilings will have consistently clean air. While they accept its higher price of $313.06 and the lack of explicit Wi-Fi control, they are willing to invest in superior performance, including a quiet operation and unique pink noise feature for optimal sleep, foregoing app control and specific odor filtration for unparalleled air cleaning capacity.

Buy LEVOIT if...

LEVOIT Air Purifiers for

The LEVOIT Core 600S-P is the ideal choice for a tech-savvy homeowner or apartment dweller who prioritizes smart home integration, effective air purification for medium-sized rooms, and a more budget-friendly price point. This buyer likely lives in spaces up to 606 sq ft, such as a master bedroom, home office, or a smaller living room, and appreciates the convenience of controlling their devices remotely via Wi-Fi and Alexa, or monitoring air quality through an app. Pet owners or those sensitive to common household odors will particularly value its 3-in-1 filter, explicitly designed to tackle smoke, pet dander, and general dust, implying robust odor removal. Its quiet 26dB minimum noise level makes it excellent for bedrooms, ensuring undisturbed sleep. At $249.99, coupled with an Energy Star certification, it offers exceptional value and lower running costs, making it a smart, connected solution for those who want modern features and odor control without needing the immense coverage of a premium large-space purifier.

Spec Comparison

7 specs compared

Specification	Alen Air Purifier BreatheSmart	LEVOIT Air Purifiers for
Price	$313	$250
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 purifier offers better coverage for large rooms?

The Alen BreatheSmart 45i covers up to 1900 sq ft with a CADR_smoke of 1216.0, significantly outperforming Levoit's 606 sq ft and 391.0 CADR, making it ideal for very large spaces.

Does either air purifier have smart home connectivity or app control?

Yes, the LEVOIT Core 600S-P features Smart WIFI and Alexa control. The Alen Alen Air Purifier BreatheSmart 45i's remote app control functionality is not specified.

What is the price difference between the Alen and Levoit models?

The Alen BreatheSmart 45i is priced at $313.06. The LEVOIT Core 600S-P is more budget-friendly at $249.99, representing a $63.07 difference.

Which product is better at removing household odors, like pet smells?

The LEVOIT Core 600S-P's 3-in-1 filter explicitly targets smoke, pet allergies, and dust, indicating activated carbon for effective odor removal. The Alen does not specify odor filtration capability.

Are these air purifiers energy efficient?

The LEVOIT Core 600S-P is Energy Star certified, ensuring efficient power consumption. The Alen BreatheSmart 45i's Energy Star status is not explicitly stated in its specifications.

How quiet are these purifiers during operation?

The LEVOIT Core 600S-P operates very quietly, with a minimum noise level of 26dB. The Alen BreatheSmart 45i is also designed for quiet operation and includes pink noise for sleep optimization.