Alen Air Purifier vs Nuwave Whole House: Which Should You Buy in 2026?

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

Nuwave OxyPure Wins

Nuwave Whole House Air Purifiers, Oxypure Smart Air Purifier with 5 Stage Tower Structure Air Filter, Air Quality & Odor Sensors, Sleep Mode for Bedroom, Remove 99.99% of Dust, Smoke, Pollen, Allergen - High-End Air Purifiers

It offers superior CADR smoke (390.87 vs 253.33) and covers a larger area (610.73 sq ft vs 395.83 sq ft). Choose Alen for ultra-quiet operation and specific odor neutralization.

$630Check Price on Amazon

Bottom Line: Nuwave OxyPure is the better choice. It offers superior CADR smoke (390.

Key Differences

The most significant spec differences at a glance

253.33

Cadr Smoke

35% less

390.87

395.83

Coverage Sq Ft

35% less

610.73

Advantages

Where each product wins

Nuwave

Cadr Smoke: 35% higher (253.33 vs 390.87)
Coverage Sq Ft: 35% higher (395.83 vs 610.73)

Who Should Buy Which?

Find the right product for your needs

Buy Alen if...

Alen Air Purifier BreatheSmart

If you prioritize a serene, undisturbed environment, especially in bedrooms or quiet home offices, the Alen BreatheSmart 45i is your ideal choice. Covering rooms up to 395.83 sq ft, its ultra-quiet operation and 'pink noise' feature are specifically designed to aid sleep without disruption. It's perfect for those sensitive to noise, who also need effective odor neutralization and medical-grade filtration for 0.1-micron particles, ensuring a clean and peaceful personal sanctuary.

Buy Nuwave if...

Nuwave Whole House Air

The Nuwave OxyPure is best suited for individuals or families needing comprehensive air purification across larger spaces or even whole-house applications, willing to invest more upfront. With a superior CADR smoke of 390.87 and coverage up to 610.73 sq ft, it excels in removing 100% of 0.09-micron particles and eliminating ozone. Its significant advantage of zero filter replacement costs for the first five years makes it a smart long-term investment for those seeking top-tier performance and advanced smart features like Wi-Fi control.

Spec Comparison

8 specs compared

Specification	Alen Air Purifier BreatheSmart	Nuwave Whole House Air
Price	$479	$630
Rating	4.7(754)	4.5(2.8k)
Cadr Smoke	253.33	390.87
Coverage Sq Ft	395.83	610.73
Noise Level db Min	—	31.4 dB
Filter Type	HEPA Odor Filter	True HEPA and Carbon
Smart Sensor	Yes	Yes
WiFi	—	Yes
Filter Cost Yearly	—	Free
Filter Life Months	—	12

Swipe horizontally to see all columns

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

Nuwave Whole House

Pros

Purifies 2934 sq ft in 60 mins (CADR 664.6 m 3/h).
Removes 100% of 0.09-micron airborne particles.
Eliminates ozone to less than 1 ppb.
Zero filter replacement cost for first 5 years.

Cons

High power consumption at 125W-128W.
Normal operating noise level not specified.
True HEPA/Carbon filter requires annual replacement.

Frequently Asked Questions

Common questions about this comparison

Which air purifier is better for large open-plan living areas?

The Nuwave OxyPure is better for larger spaces, effectively covering up to 610.73 sq ft with a CADR smoke of 390.87. The Alen Alen BreatheSmart 45i covers 395.83 sq ft with a CADR smoke of 253.33, making it suitable for medium rooms.

What's the main difference in filtration capability?

The Nuwave OxyPure removes 100% of 0.09-micron airborne particles, while the Alen BreatheSmart 45i captures 0.1-micron particles. Both offer excellent medical-grade filtration, but Nuwave has a slight edge on particle size.

Is the higher price of the Nuwave OxyPure justified?

The Nuwave's higher price is justified by its greater coverage, higher CADR, more advanced filtration, Wi-Fi connectivity, and zero filter replacement costs for the first five years, leading to long-term savings compared to Alen's periodic filter replacement.

Which product is quieter for bedroom use?

The Alen Alen BreatheSmart 45i is advertised for ultra-quiet operation, specifically designed to aid sleep. While the Nuwave has a minimum noise level of 31.4 dB, Alen emphasizes its quietness more for sleep environments.

Do either of these purifiers have ongoing filter costs?

The Nuwave OxyPure boasts zero filter replacement costs for the first five years, making it very cost-effective long-term. The Alen BreatheSmart 45i requires periodic filter replacement, incurring additional costs over time.