Aervan 4-in-1 Evaporative Air Cooler with Remote – 671 CFM, 2.6 Gal Tank (21H Runtime), 120° Swing, 3 Modes, 15H Timer, Quiet 58 dB Swamp Cooler

Serious airflow, all-day runtime. The Aervan 4-in-1 Evaporative Air Cooler moves up to 671 CFM of cool, fresh air, and its 2.6 gallon (10L) tank can run for up to 21 hours on a single fill.

It cools, humidifies, purifies (with a 2-layer filter system) and works as a regular fan. A 120° auto swing with manual up–down adjustment spreads the breeze across the room, while 3 modes, 3 speeds, a 15-hour timer and a 19 ft remote put you in control, all at under 58 dB.

Why you'll love it

• 671 CFM airflow – one of the strongest evaporative coolers in the range.
• Up to 21 hours per fill – 2.6 gallon (10L) tank with a visible water level.
• 4-in-1 – cooling, humidifying, purifying and regular fan.
• 2-layer filter system – captures dust for fresher air.
• 120° auto swing – plus manual up–down adjustment.
• 3 modes × 3 speeds – normal, natural and sleep.
• Remote + LED panel – 19 ft range and a 15-hour timer.
• Safety built in – 24-hour auto shut-off, overheat protection and water-shortage alarm.
• Quiet – under 58 dB.
• Easy to move – built-in handles and 4 universal wheels.

Perfect for: living rooms, bedrooms, home offices, dorms and dry climates.

FAQ

How long does it run on one tank?
Up to 21 hours, depending on speed and room humidity.

Does it shut off when the water runs out?
It has a water-shortage alarm, plus 24-hour auto shut-off and overheat protection.