Our Verdict

Shark HC502 Wins

Shark HC502 3-in-1 Clean Sense Air Purifier MAX, Heater & Fan, HEPA Filter, 1000 Sq Ft, Oscillating, Large Rooms, Kitchens, Captures 99.98% of Particles for Clean Air, Dust, Smoke & Allergens, White - High-End Air Purifiers

It offers superior purification with 133.33 CADR_smoke and covers 208.33 sq ft, significantly more than LG's 99.2 CADR_smoke and 155 sq ft. Choose LG for Wi-Fi remote operation and advanced PM 1.0 sensing.

$320Buy on Amazon

Bottom Line: Shark HC502 is the better choice. It offers superior purification with 133.

Key Differences

The most significant spec differences at a glance

99.2

Cadr Smoke

26% less

133.33

155

Coverage Sq Ft

26% less

208.33

Advantages

Where each product wins

Shark

Cadr Smoke: 26% higher (99.2 vs 133.33)
Coverage Sq Ft: 26% higher (155 vs 208.33)

Who Should Buy Which?

Find the right product for your needs

Buy LG if...

LG PuriCare AeroTower Air

The LG PuriCare AeroTower is ideal for individuals prioritizing smart home integration and precise air quality monitoring. If you need remote control via Wi-Fi, value a PM 1.0 sensor for microscopic particle detection, and have a room up to 155 sq ft, this is your choice. It's perfect for tech-savvy users who appreciate sleek design, quiet operation, and are willing to pay slightly more for advanced smart features and a robust 3-layer filtration system.

Buy Shark if...

Shark HC502 3-in-1 Clean

The Shark HC502 is perfect for buyers seeking a versatile, multi-functional device. If you need an air purifier, heater, and fan combined into one unit for larger spaces up to 208.33 sq ft, this is for you. It's ideal for those in varied climates who want superior purification (133.33 CADR_smoke) and the convenience of auto-adjusting power based on air quality, all at a competitive price point.

Spec Comparison

6 specs compared

Specification	LG PuriCare AeroTower Air	Shark HC502 3-in-1 Clean
Price	$350	$320
Rating	4.2(14)	4.3(678)
Cadr Smoke	99.2	133.33
Coverage Sq Ft	155	208.33
Filter Type	True HEPA	Nanoseal HEPA
Smart Sensor	Yes	Yes
WiFi	Yes	—
Model Number	—	HC502

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Pros & Cons

Quick overview of strengths and weaknesses

LG PuriCare AeroTower

Pros

99.97% particle capture for 0.3μm.
Three-layer filtration system cleans various pollutants.
PM 1.0 sensor monitors microscopic particles.
Cleans 155 sq ft rooms 4.8 times hourly.

Cons

744 sq ft coverage results in very slow air changes.
Requires periodic filter replacement, incurring cost.
Smoke CADR of 99.2 CFM limits rapid purification.

Shark HC502 3-in-1

Pros

Offers air purification, heating, and fan functions.
Exceeds HEPA standards; captures 99.98% of particles.
Auto-adjusts power based on PM1/2.5/10 air quality.
Heats rooms while simultaneously purifying air.

Cons

Covers only 208 sq ft for effective 5x hourly air changes.
Requires periodic replacement of specialized Nanoseal filter

Frequently Asked Questions

Common questions about this comparison

Which is better for rapid air purification in a larger room?

The Shark HC502 is better for rapid purification. It has a higher CADR_smoke of 133.33 CFM and covers 208.33 sq ft, compared to the LG PuriCare AeroTower's 99.2 CADR_smoke and 155 sq ft.

What's the main difference in functionality?

The main difference is the Shark HC502 is a 3-in-1 unit, functioning as an air purifier, heater, and fan. The LG PuriCare AeroTower primarily serves as an air purifier and fan, but includes Wi-Fi for remote control and a PM 1.0 sensor.

Is the price difference worth it?

The Shark HC502 is slightly cheaper at $319.75 and offers more functions (heating) and better purification specs (133.33 CADR, 208.33 sq ft coverage). The LG at $349.99 is pricier but includes Wi-Fi.

Which has better particle capture?

Both are excellent. The Shark HC502 with its Nanoseal HEPA filter captures 99.98% of particles. The LG PuriCare AeroTower with its True HEPA filter captures 99.97% of 0.3 m particles. The difference is negligible for most users.