For tailgating, camping or a job site where a tool battery is easier than an extension cord. In a garage with power, a bigger AC only cooler moves more air for the money.
Amazon $158.59The Hessaire DC18 and the SereneLife SLACLW4 are evenly matched, rated 2.7 and 2.7. The Hessaire DC18 leads on airflow and tank. The SereneLife SLACLW4 wins on features. The SereneLife SLACLW4 costs $58.69 less ($99.90 vs $158.59).
A cheap personal cooler for a desk or bedside in a dry climate; expect frequent refills.
Amazon $99.90Prices were last checked October 31, 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 Hessaire DC18 for airflow (900 CFM vs 530 CFM) and tank (2.8 gal tank vs 1.1 gal tank).
- Choose the SereneLife SLACLW4 for features (rigid cooling pads, oscillation, remote vs rigid cooling pads).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 2,000 CFM evaporative cooler; a clear win is highlighted. How we rank explains each one.
| Factor weight | Hessaire DC18 | SereneLife SLACLW4 |
|---|---|---|
| Overall rating | 2.7/5 | 2.7/5 |
| Value 30% | 62 $176.21 per 1,000 CFM ($158.59, 900 CFM) | 59 $188.49 per 1,000 CFM ($99.90, 530 CFM) |
| Airflow 25% | 40 900 CFM | 15 530 CFM |
| Tank 10% | 10 2.8 gal tank | 0 1.1 gal tank |
| Features 15% | 25 rigid cooling pads | 75 rigid cooling pads, oscillation, remote |
| Warranty 20% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Hessaire DC18 | SereneLife SLACLW4 | |
|---|---|---|
| Cooling | ||
| Airflow | 900 CFM | 530 CFM |
| Cooling area | 300 sq ft | - |
| Cooling pads | Rigid cellulose | Rigid cellulose |
| Tank | 2.8 gal | 1.1 gal |
| Hose hookup | No | No |
| Controls and build | ||
| Fan speeds | - | 3 |
| Oscillation | No | Yes |
| Remote | No | Yes |
| Power draw | 55 W | 80 W |
| Weight | 17.6 lb | 11 lb |
| Warranty | 1 year | 1 year |
| Released | - | 2026-05-26 |
