Honeywell CL201AEW vs SereneLife SLACLW4

Last updated: October 31, 2026

The SereneLife SLACLW4 is the better evaporative cooler overall, rated 2.7 to 2.4. The SereneLife SLACLW4 leads on value. The Honeywell CL201AEW wins on tank. The SereneLife SLACLW4 costs $129.10 less ($99.90 vs $229).

Honeywell CL201AEW vs SereneLife SLACLW4

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?

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 weightSereneLife SLACLW4Honeywell CL201AEW
Overall rating2.7/52.4/5
Value 30%59 $188.49 per 1,000 CFM ($99.90, 530 CFM)26 $487.23 per 1,000 CFM ($229, 470 CFM)
Airflow 25%15 530 CFM11 470 CFM
Tank 10%0 1.1 gal tank41 5.3 gal tank
Features 15%75 rigid cooling pads, oscillation, remote75 rigid cooling pads, oscillation, remote
Warranty 20%0 1-year warranty0 1-year warranty

Specifications

SereneLife SLACLW4Honeywell CL201AEW
Cooling
Airflow530 CFM470 CFM
Cooling area-280 sq ft
Cooling padsRigid celluloseRigid cellulose
Tank1.1 gal5.3 gal
Hose hookupNo-
Controls and build
Fan speeds33
OscillationYesYes
RemoteYesYes
Power draw80 W250 W
Weight11 lb23.4 lb
Warranty1 year1 year
Released2026-05-26-

All evaporative cooler comparisons →