SereneLife SLACLW15
A budget bedroom or office cooler with a remote and honeycomb pad, best in dry climates.
Amazon $109.15$109.15
The SereneLife SLACLW15 is the better evaporative cooler overall, rated 2.8 to 2.7. The SereneLife SLACLW15 leads on features and tank. The Hessaire DC18 wins on airflow. The SereneLife SLACLW15 costs $49.44 less ($109.15 vs $158.59).
Hessaire DC18
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 $158.59$158.59
Prices 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 SereneLife SLACLW15 for features (rigid cooling pads, oscillation, remote vs rigid cooling pads) and tank (4 gal tank vs 2.8 gal tank).
- Choose the Hessaire DC18 for airflow (900 CFM vs 589 CFM).
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 | SereneLife SLACLW15 | Hessaire DC18 |
|---|---|---|
| Overall rating | 2.8/5 | 2.7/5 |
| Value 30% | 60 $185.31 per 1,000 CFM ($109.15, 589 CFM) | 62 $176.21 per 1,000 CFM ($158.59, 900 CFM) |
| Airflow 25% | 19 589 CFM | 40 900 CFM |
| Tank 10% | 24 4 gal tank | 10 2.8 gal tank |
| Features 15% | 75 rigid cooling pads, oscillation, remote | 25 rigid cooling pads |
| Warranty 20% | 0 1-year warranty | 0 1-year warranty |
Specifications
| SereneLife SLACLW15 | Hessaire DC18 | |
|---|---|---|
| Cooling | ||
| Airflow | 589 CFM | 900 CFM |
| Cooling area | - | 300 sq ft |
| Cooling pads | Rigid cellulose | Rigid cellulose |
| Tank | 4 gal | 2.8 gal |
| Hose hookup | No | No |
| Controls and build | ||
| Fan speeds | 3 | - |
| Oscillation | Yes | No |
| Remote | Yes | No |
| Power draw | 80 W | 55 W |
| Weight | 11 lb | 17.6 lb |
| Warranty | 1 year | 1 year |
| Released | 2026-05-19 | - |