● Portable Air Conditioners · Comparison

LG LP0621WSR 6 vs BLACK+DECKER BP05PWA 8

Both made our Best Portable Air Conditioners Under $300 shortlist, at #1 and #2. Here's how they differ and who each one suits.

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 4 min read

As an Amazon Associate I earn from qualifying purchases. Picks are based on manufacturer specs, independent reviews and owner reports.

LG LP0621WSR 6,000 BTU Portable Air ConditionerLG LP0621WSR 6,000 BTU Portable Air ConditionerView on Amazon VS
BLACK+DECKER BP05PWA 8,000 BTU Portable Air ConditionerBLACK+DECKER BP05PWA 8,000 BTU Portable Air ConditionerView on Amazon

Quick verdict

Choose the LG LP0621WSR 6,000 BTU Portable Air Conditioner if you want smallest footprint and lightest weight in this list, easiest to move room to room. Choose the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner if you'd rather have affordable portable cooling. Overall we rank the LG LP0621WSR 6,000 BTU Portable Air Conditioner higher: #1 versus #2 in our Best Portable Air Conditioners Under $300 list.

Winner overall: LG LP0621WSR 6,000 BTU Portable Air Conditioner

LG LP0621WSR 6,000 BTU Portable Air Conditioner vs BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner compared

Every difference that matters, in one table.

Keep researching

  • Best Portable Air Conditioners Under $300
  • LG LP0621WSR 6,000 BTU Portable Air Conditioner review
  • BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner review
  • All portable air conditioners

Bottom line

Choose the LG LP0621WSR 6,000 BTU Portable Air Conditioner if you want smallest footprint and lightest weight in this list, easiest to move room to room. Choose the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner if you'd rather have affordable portable cooling. Overall we rank the LG LP0621WSR 6,000 BTU Portable Air Conditioner higher: #1 versus #2 in our Best Portable Air Conditioners Under $300 list.

LG LP0621WSR 6,000 BTU Portable Air Conditioner

LG LP0621WSR 6,000 BTU Portable Air Conditioner

LG

Smallest footprint and lightest weight in this list, easiest to move room to room

  • 6,000 BTU DOE (8,000 BTU ASHRAE) cooling, rated up to 250 sq ft
  • 3-in-1 operation: cool, dehumidify, fan
  • Easy-roll casters and auto-swing air vent
  • Washable air filter with filter alarm
  • LCD remote and window installation kit

Pros

  • Affordable portable cooling
  • Remote control and timer
  • Window kit included
  • Fan and dehumidifier modes

Cons

  • 5,000 BTU SACC suits small rooms only
  • Single hose is less efficient
  • Noticeable compressor noise
Prices and availability change, so confirm on Amazon.View on Amazon
BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner

BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner

BLACK+DECKER

A simple 8,000 BTU (5,000 SACC) portable AC with remote control for small rooms.

    Pros

    • Affordable portable cooling
    • Remote control and timer
    • Window kit included
    • Fan and dehumidifier modes

    Cons

    • 5,000 BTU SACC suits small rooms only
    • Single hose is less efficient
    • Noticeable compressor noise
    Prices and availability change, so confirm on Amazon.View on Amazon

    FAQ

    Common questions

    Which is better, the LG LP0621WSR 6,000 BTU Portable Air Conditioner or the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner?

    Choose the LG LP0621WSR 6,000 BTU Portable Air Conditioner if you want smallest footprint and lightest weight in this list, easiest to move room to room. Choose the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner if you'd rather have affordable portable cooling. Overall we rank the LG LP0621WSR 6,000 BTU Portable Air Conditioner higher: #1 versus #2 in our Best Portable Air Conditioners Under $300 list.

    What is the difference between the LG LP0621WSR 6,000 BTU Portable Air Conditioner and the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner?

    The LG LP0621WSR 6,000 BTU Portable Air Conditioner stands out because smallest footprint and lightest weight in this list, easiest to move room to room, while the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner stands out because affordable portable cooling. The trade-offs differ too: the LG LP0621WSR 6,000 BTU Portable Air Conditioner's ma in caveat is that 250 sq ft coverage is meaningfully smaller than the 14,000 BTU models here, and the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner's is that 5,000 BTU SACC suits small rooms only.

    Is the LG LP0621WSR 6,000 BTU Portable Air Conditioner worth it over the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner?

    For most buyers, yes: it's our #1 pick. Consider the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner instead if 250 sq ft coverage is meaningfully smaller than the 14,000 BTU models here is a deal-breaker for you.

    Who should buy the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner instead of the LG LP0621WSR 6,000 BTU Portable Air Conditioner?

    The BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner suits small bedrooms, while the LG LP0621WSR 6,000 BTU Portable Air Conditioner is best for apartments without window access.

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