SereneLife SLPAC12.5
#9 in PortableFull review
A basic portable for a small-to-medium room; its real (SACC) capacity is much lower than the headline number.
Amazon $389.90$389.90
The SereneLife SLPAC12.5 is the better air conditioner overall, rated 2.9 to 2.8. The Amazon Basics 12,000 BTU Portable wins on value. The SereneLife SLPAC12.5 costs $10.09 less ($389.90 vs $399.99).
Amazon Basics 12,000 BTU Portable
#11 in PortableFull review
A plain, well-supported 8,000 BTU SACC portable sold directly by Amazon, for people who don’t need app control.
Amazon $399.99$399.99
Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Amazon Basics 12,000 BTU Portable for value ($50 per 1,000 BTU (SACC) vs $55.70 per 1,000 BTU (SACC)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every portable air conditioner; a clear win is highlighted. How we rank explains each one.
| Factor weight | SereneLife SLPAC12.5 | Amazon Basics 12,000 BTU Portable |
|---|---|---|
| Overall rating | 2.9/5 | 2.8/5 |
| Value 30% | 57 $55.70 per 1,000 BTU (SACC) | 67 $50 per 1,000 BTU (SACC) |
| Efficiency 30% | 50 efficiency not certified (neutral score used) | 13 CEER 7.2 |
| Quiet 15% | 50 noise not published (neutral score used) | 50 noise not published (neutral score used) |
| Inverter & app 15% | 0 fixed-speed compressor, no app | 0 fixed-speed compressor, no app |
| Warranty 10% | 0 1-year warranty | 50 warranty not published (neutral score used) |
Specifications
| SereneLife SLPAC12.5 | Amazon Basics 12,000 BTU Portable | |
|---|---|---|
| Cooling | ||
| Type | Portable, single hose | Portable, single hose |
| Certified capacity | 7,000 BTU | 8,000 BTU |
| ASHRAE rating (95 °F) | 12,000 BTU | 12,000 BTU |
| Room size (maker) | 550 sq ft | 550 sq ft |
| Inverter compressor | No | No |
| Heat | No | No |
| Efficiency and power | ||
| CEER | - | 7.2 Btu/Wh |
| Certified by | - | DOE |
| Power | 1,150 W | - |
| Controls and fit | ||
| Remote | Yes | Yes |
| Dimensions | 32.1 x 17.4 x 13.4 in | - |
| Weight | 58.9 lb | 68.8 lb |
| Warranty | 1 years | - |