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

It offers significantly higher CADR (1216 vs 274.56) and coverage (1900 sq ft vs 429 sq ft). Choose LG PuriCare 360 for integrated odor removal via activated carbon filter and remote WiFi control in smaller rooms.

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Bottom Line: Alen BreatheSmart 45i is the better choice. It offers significantly higher CADR (1216 vs 274.

Key Differences

The most significant spec differences at a glance

1,216

Cadr Smoke

343% more

274.56

1,900

Coverage Sq Ft

343% more

429

Advantages

Where each product wins

Alen

Cadr Smoke: 343% higher (1216.0 vs 274.56)
Coverage Sq Ft: 343% higher (1900.0 vs 429.0)

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 needing powerful air purification in very large spaces, up to 1900 sq ft, such as open-concept living rooms or master bedrooms. If you prioritize high CADR (1216 smoke CADR), superior particle filtration (99.9% of 0.1 micron), and a quiet environment for sleep (pink noise feature), this is your top choice. It suits those who appreciate automatic adjustments via a SmartSensor and don't require app control or specific odor removal capabilities.

Buy LG if...

LG PuriCare 360 Air

The LG PuriCare 360 is perfect for tech-savvy users living in medium-sized spaces up to 429 sq ft who prioritize comprehensive air quality management and smart features. If you need activated carbon filtration for odors (pets, cooking), real-time PM 1.0 sensor data, and the convenience of remote WiFi control, this product stands out. It's a great choice for smart homes where monitoring and controlling air purification from anywhere is a key requirement, even with a lower CADR.

Spec Comparison

5 specs compared

Specification	Alen Air Purifier BreatheSmart	LG PuriCare 360 Air
Price	$313	$299
Rating	4.7(754)	4.6(223)
Cadr Smoke	1216	274.56
Coverage Sq Ft	1900	429
Filter Type	HEPA	NanoFiber True HEPA
Smart Sensor	Yes	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

LG PuriCare 360

Pros

Captures 99.97% of 0.3µm particles with HEPA filter.
Three-layer system includes activated carbon for odors.
PM 1.0 sensor detects ultrafine particle levels.
Covers 429 sq ft at 4.8 air changes per hour.

Cons

Omnidirectional design limits placement options.
Provides only 1 air change per hour in 2059 sq ft rooms.
Multiple filters necessitate distinct replacements.

Frequently Asked Questions

Common questions about this comparison

Which air purifier is better for large rooms?

The Alen BreatheSmart 45i is superior for large rooms, covering up to 1900 sq ft with a CADR of 1216. The LG PuriCare 360 only effectively covers 429 sq ft for adequate air changes per hour, making it better suited for smaller to medium spaces.

What's the main difference in filtration capabilities?

Both use HEPA filters, with Alen capturing 99.9% of 0.1 micron particles. The LG PuriCare 360, however, includes an activated carbon layer as part of its three-layer system, specifically designed for odor removal, a feature not explicitly stated for the Alen.

Is the price difference between the two products justified?

The Alen 45i is slightly more expensive ($313.06 vs $299.00), but its vastly superior CADR (1216 vs 274.56) and coverage (1900 sq ft vs 429 sq ft) provide significantly greater performance for larger spaces, making the extra cost worthwhile for those needs.

Which product offers better smart features and control?

While both have smart sensors, the LG PuriCare 360 features WiFi connectivity, allowing for remote control and status checks via an app. The Alen 45i does not specify app control, making the LG a more integrated smart home appliance.