LG LP0621WSR 6,000 BTU vs EcoFlow Wave 3 — Which Should You Buy?

Side-by-side comparison of LG LP0621WSR 6,000 BTU and EcoFlow Wave 3. We compare specs, performance, and value to help you decide.

Updated 2026-03-09 Independently reviewed
LG LP0621WSR 6,000 BTU

LG LP0621WSR 6,000 BTU

8.3/10
$299 /one-time
VS
EcoFlow Wave 3

EcoFlow Wave 3

8.5/10
$999 /one-time

Feature Comparison

Feature LG LP0621WSR 6,000 BTU EcoFlow Wave 3
BTU 6,000
Coverage Up to 250 sq ft
Type Single-hose
Noise 52 dB
Timer 24 hours
Remote Yes
Weight 52 lbs 28 lbs
Warranty 1 year 1 year
Power Battery/AC/car
Cooling 4,000 BTU equivalent
Smart App, Alexa, Google
Portability True portable
Use Case Camping, RV, backup
Battery Included

LG LP0621WSR 6,000 BTU

Pros

  • Budget-friendly
  • 6,000 BTU
  • 250 sq ft
  • Compact
  • 24-hr timer
  • Remote control
  • Auto restart

Cons

  • Single-hose less efficient
  • Manual drain
  • Basic features

EcoFlow Wave 3

Pros

  • Battery powered
  • No outlet needed
  • App control
  • Alexa/Google
  • Portable
  • Camping/RV use
  • Power outage backup

Cons

  • Lower cooling capacity
  • Battery limits runtime
  • Premium price

Our Verdict

LG LP0621WSR 6,000 BTU

The best budget portable AC for small rooms under $300.

Limited Offer — Check Today's Price

EcoFlow Wave 3

The best battery-powered portable AC for off-grid and mobile cooling.

Limited Offer — Check Today's Price

Our Methodology

We test each portable AC for cooling performance, noise output, and ease of use in real rooms. No manufacturer has editorial influence.

Related Comparisons