Name: Shark HC451 3-in-1 Clean Sense Air Purifier, Heater & Fan, HEPA Filter, 500 Sq Ft, Oscillating, Small Room, Bedroom, Office, Captures 99.98% of Par...
Brand: Shark
SKU: B0BQRQLHY9
Price: 199.99 USD
Availability: InStock
Rating: 4.3 (355 reviews)

Our Verdict

Winix 5510 Wins

WINIX 5510 Air Purifier (New Generation of 5500-2 with App Support) for Home Large Room Up to 1881 Ft² in 1 Hr, True HEPA, High Deodorization Carbon Filter and Auto Mode, Captures Pet Allergies, Smoke - High-End Air Purifiers

It offers superior purification with a CADR smoke of 122.88 and covers 192 sq ft, outperforming Shark's 66.67 CADR and 104.17 sq ft. Choose Shark if a combined air purifier, heater, and fan is essential for smaller rooms.

$222Buy on Amazon

Bottom Line: Winix 5510 is the better choice. It offers superior purification with a CADR smoke of 122.

Key Differences

The most significant spec differences at a glance

66.67

Cadr Smoke

46% less

122.88

104.17

Coverage Sq Ft

46% less

192

Advantages

Where each product wins

Winix

Cadr Smoke: 46% higher (66.67 vs 122.88)
Coverage Sq Ft: 46% higher (104.17 vs 192.0)

Who Should Buy Which?

Find the right product for your needs

Buy Shark if...

Shark HC451 3-in-1 Clean

The ideal buyer for the Shark HC451 is someone in a compact space, like a small bedroom, office, or dorm room, who needs a versatile device. If you prioritize purifying air, heating, and cooling from a single unit for a maximum of 104 sq ft, this is your pick. Its Clean Sense IQ and quiet operation make it perfect for sleep environments. Priced at $199.99, it's a cost-effective solution for comprehensive personal climate and air quality control without needing multiple separate appliances.

Buy Winix if...

WINIX 5510 Air Purifier

The Winix 5510 is perfect for individuals or families needing robust air purification for medium-sized rooms, up to 192 sq ft, who specifically battle allergens, pet dander, or smoke. If you prioritize superior filtration (True HEPA, carbon filter for VOCs) and better air turnover rates (122.88 CADR smoke), despite the higher price of $222, the Winix offers excellent value. Its smart sensor and app support provide convenience for maintaining cleaner air throughout the day.

Spec Comparison

6 specs compared

Specification	Shark HC451 3-in-1 Clean	Winix 5510 Air Purifier
Price	$200	$222
Rating	4.3(355)	4.6(30.6k)
Cadr Smoke	66.67	122.88
Coverage Sq Ft	104.17	192
Filter Type	Nanoseal HEPA	True HEPA
Model Number	HC451	—
Smart Sensor	Yes	Yes
WiFi	—	Yes

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Pros & Cons

Quick overview of strengths and weaknesses

Shark HC451 3-in-1

Pros

Purifies air, heats rooms, and provides fan cooling.
Nanoseal filter captures 99.98% of airborne particles.
Clean Sense IQ auto-adjusts purification power.
Operates quietly with dimmable lights for sleep.

Cons

Effective purification covers only 104 sq ft.
Low CADR of 67 for smoke limits purification speed.
Requires periodic filter replacements, adds cost.

Winix 5510 Air

Pros

Cleans 1881 sq ft in 1 hour for quick air turnover.
True HEPA captures 99.99% of 0.01 micron particles.
Washable pre-filter extends main filter lifespan.
Carbon filter reduces VOCs and common household odors.

Cons

AHAM verified effective coverage is only 192 sq ft.
CADR smoke of 122.88 is low for large room claims.

Frequently Asked Questions

Common questions about this comparison

Which air purifier is better for a larger living space?

The Winix 5510 is better for larger rooms, covering 192 sq ft with a smoke CADR of 122.88. The Shark HC451 is suited for smaller spaces, covering 104.17 sq ft with a 66.67 smoke CADR, but adds heating and fan functions.

What is the main difference in air purification coverage and speed?

The Winix 5510 covers 192 sq ft and has a smoke CADR of 122.88. The Shark HC451 covers 104.17 sq ft and has a lower smoke CADR of 66.67, meaning the Winix purifies larger spaces faster.

Which purifier offers more versatility beyond just air cleaning?

The Shark HC451 provides significant versatility as a 3-in-1 unit, functioning as an air purifier, a heater, and a fan. The Winix 5510 focuses solely on advanced air purification with True HEPA and a carbon filter, plus app support.

How do the filter types compare for capturing particles?

The Shark HC451 uses a Nanoseal HEPA filter, capturing 99.98% of airborne particles. The Winix 5510 uses a True HEPA filter, capturing 99.99% of 0.01 micron particles, plus a carbon filter for odors. Both offer excellent filtration.