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.
- BuyOnceRight Research Desk
- Updated
- 4 min read
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.
| Attribute | ||
|---|---|---|
| Our ranking | #1 of 3 in Best Portable Air Conditioners Under $300 | #2 of 3 in Best Portable Air Conditioners Under $300 |
| Pick label | Shortlisted | |
| Brand | LG | BLACK+DECKER |
| Key features | 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 | See full details |
| Biggest strength | Smallest footprint and lightest weight in this list, easiest to move room to room | Affordable portable cooling |
| Main trade-off | 250 sq ft coverage is meaningfully smaller than the 14,000 BTU models here | 5,000 BTU SACC suits small rooms only |
| Best for | apartments without window access | small bedrooms |
Which should you buy?

#1 pick
Choose the LG LP0621WSR 6,000 BTU Portable Air Conditioner if…
- Smallest footprint and lightest weight in this list, easiest to move room to room
- Washable filter cuts down on replacement filter costs over time
- Quieter running than the larger 14,000 BTU units in this list
Best for: apartments without window access
Prefer the alternative? See the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner section.

#2 pick
Choose the BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner if…
- Affordable portable cooling
- Remote control and timer
- Window kit included
Best for: small bedrooms
Prefer the alternative? See the LG LP0621WSR 6,000 BTU Portable Air Conditioner section.
Pros and cons of each
LG LP0621WSR 6,000 BTU Portable Air Conditioner
Pros
- Smallest footprint and lightest weight in this list, easiest to move room to room
- Washable filter cuts down on replacement filter costs over time
- Quieter running than the larger 14,000 BTU units in this list
Cons
- 250 sq ft coverage is meaningfully smaller than the 14,000 BTU models here
- Single-hose design, less efficient in high-heat rooms than dual-hose units
- No smart app or voice control
BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner
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
LG LP0621WSR 6,000 BTU Portable Air Conditioner vs BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner: 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 main 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.