The 3 Best Portable Air Conditioners Under $300
We looked at portable air conditioners under $300 using manufacturer specs, independent reviews and owner reports. Each pick lists what it does well and where it falls short, so you can match it to how you'll use it.
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Quick picks
| Product | Best for |
|---|---|
| 1. LG LP0621WSR 6,000 BTU Portable Air Conditioner Best overall | |
| 2. BLACK+DECKER BP05PWA 8,000 BTU Portable Air Conditioner | |
| 3. BLACK+DECKER Smart Portable Air Conditioner, 8,000 BTU |

Key specs: 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.
Key Specifications & 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
- Washable air filter with filter alarm
- LCD remote and window installation kit
Strengths
- Washable filter avoids ongoing replacement filter costs
- Lightest and most compact unit across this entire category, easy for one person to move
Limitations
- 250 sq ft rating means it is genuinely limited to a small room, not a living area
- No smart app or voice control
- Single-hose design is less efficient than dual-hose units in hotter rooms

Strengths
- Affordable portable cooling
- Remote control and timer
- Window kit included
- Fan and dehumidifier modes
Limitations
- 5,000 BTU SACC suits small rooms only
- Single hose is less efficient
- Noticeable compressor noise
BLACK+DECKER
Strengths
- Wi-Fi app and voice control
- 3-in-1: AC, fan, dehumidifier
- Remote included
- Compact
Limitations
- 5,100 BTU SACC for small rooms
- Single hose design
- App setup required for smart features
How we chose
- Picks are based on manufacturer specs, independent reviews and owner reports. We don't claim our own testing.
- We do not list prices or star ratings because they change. Check Amazon for current details.