Best Portable Air Conditioner Stand-Up Room Cooler – Windowless Indoor AC Unit

Personal Cooling Without Windows or Installation

The Portable Stand-Up Room Air Cooler is a compact, windowless indoor cooling solution designed to deliver refreshing airflow wherever you need it. Ideal for bedrooms, offices, dorms, and travel use, this unit requires no window, no vent, and no permanent installation.

Using evaporative cooling technology, it circulates cool air while adding gentle moisture to help prevent dryness—making it a comfortable and energy-efficient alternative to traditional air conditioners.

Cooling, Fan & Humidifier – All in One

This versatile indoor air cooler combines cooling, fan circulation, and humidification into a single compact unit. Simply add water (cold water recommended) to the tank and enjoy a steady stream of cool, refreshing airflow.

Portable & Easy to Move

Designed with four smooth-gliding caster wheels, this stand-up air cooler moves effortlessly from room to room. Its slim vertical design saves space while delivering effective personal cooling wherever needed.

Quiet & Energy-Efficient Operation

• Ultra-quiet performance: As low as <23dB for comfortable sleep and work
• Low power consumption: Uses significantly less energy than traditional AC units
• Eco-friendly: No refrigerant, no exhaust hose, no window kit required

Adjustable Airflow & Smart Features

• Swing Mode: Automatic left-right oscillation for wider air distribution
• Manual vertical adjustment: Direct airflow where you need it
• 8-Hour Timer: Automatically shuts off for energy savings and nighttime comfort
• Multiple fan speeds: Customize airflow intensity

Perfect For

• Bedrooms & home offices
• Dorm rooms & apartments
• Travel, RVs & temporary living spaces
• Nurseries and quiet environments

How It Works

This windowless air cooler uses evaporative cooling. Add water to the built-in tank, turn on the unit, and cool air is produced as air passes through the moisture filter—no venting or installation required.

Product Specifications

• Functions: Cooling Fan + Humidifier (5-in-1)
• Water Tank Capacity: 300ml
• Power Consumption: 18W
• Voltage: 110V
• Noise Level (Indoor): <23dB
• External Noise: 57 dB(A)
• Fan Speeds: 6
• Timer: Up to 8 hours
• Installation: None required
• Type: Floor-Standing Portable Air Cooler
• Certifications: CE, UL

Note: This is a portable evaporative air cooler designed for personal and room-level cooling. It does not require windows or exhaust hoses.