Finding an air conditioner without an exhaust is ideal for rooms without windows or spaces where venting a hose outside isn’t feasible. These windowless, portable air conditioners and evaporative coolers offer cooling solutions for bedrooms, offices, dorm rooms, and small apartments. Below is a comparison table of top products designed to provide effective cooling without needing an exhaust hose.
| Product | Type | Cooling Area | Special Features |
|---|---|---|---|
| AEROZY Windowless Portable Air Conditioner | Evaporative Air Cooler | Small rooms without windows | 3-speed, 4 modes, remote control, 7H timer |
| COOLECH 42 Inch Portable Air Conditioner | Evaporative Air Cooler | Up to 300 sq. ft. | 4 modes, 3 speeds, 1-gal tank, 90° oscillation |
| 14,000 BTU Portable Air Conditioner by KoolSiln | Refrigerant-Based Portable AC | Up to 700 sq. ft. | Auto-evaporation, low noise, remote control |
| Uvistare Portable Air Conditioner with 1.6 Gal Tank | Evaporative Air Cooler | Bedrooms, offices, studios | Big water tank, bladeless, ice packs included |
| BLACK+DECKER 8,000 BTU Portable Air Conditioner | Refrigerant-Based Portable AC | Up to 350 sq. ft. | 3-in-1 function, remote, auto water evaporation |
AEROZY Windowless Portable Air Conditioner
This windowless portable air conditioner is designed for spaces without windows such as bedrooms, offices, and dorm rooms. It uses evaporative cooling technology requiring no exhaust hose. Featuring 3-speed settings and 4 cooling modes — including Cool, Sleep, Eco, and Natural — it adapts to varied preferences. The unit includes a 7-hour timer and remote control to schedule and operate it conveniently. Four ice packs enhance the cooling effect. Its compact design suits small rooms seeking fresh, cool air without complex installation.
COOLECH 42 Inch Portable Air Conditioner
The COOLECH 42-inch evaporative air cooler combines fan, air cooler, and humidifier functions to cover areas up to 300 sq. ft. With 4 modes (Cooling, Normal, Sleep, Nature) and 3 adjustable speeds, it allows customized airflow reaching up to 25 ft/s. The 90° oscillation feature distributes air evenly over a wide range. Its 1-gallon water tank supports up to 15 hours of continuous cooling. No exhaust or window is needed, making it excellent for versatile indoor use, especially in dry climates.
14,000 BTU Portable Air Conditioner by KoolSiln
Unlike evaporative coolers, this 14,000 BTU portable air conditioner uses refrigerant technology to cool spaces up to 700 sq. ft. It features an enlarged 77° air outlet for rapid distribution of cool air and uses auto-evaporation technology to eliminate water drainage needs. The low noise design operates at 48dB, suitable for light sleepers. A remote control and sleep timer allow convenient use. Its fast cooling ability effectively lowers room temperature in minutes without a window exhaust.
Uvistare Portable Air Conditioner with 1.6 Gal Tank
The Uvistare evaporative air cooler offers powerful, energy-efficient cooling without hoses or installation. Its 1.6-gallon water tank supplies continuous operation up to 24 hours with easy top-filling. It cools by lowering temperatures 41 to 48°F through evaporative technology. Equipped with a bladeless structure, this model is safer for children and pets. The unit comes with three ice packs to enhance cooling performance. It’s ideal for bedrooms, offices, or studios where portable, installation-free cooling is needed.
BLACK+DECKER 8,000 BTU Portable Air Conditioner
This refrigerant-based portable air conditioner cools rooms up to 350 sq. ft. It includes air conditioner, fan, and dehumidifier modes for multipurpose use. The 8,000 BTU capacity balances cooling power with portability. The unit uses auto water evaporation technology to eliminate manual drainage. Controls include a remote and a convenient top-mounted LED control panel. The slide-out washable filter helps maintain air quality. Compact and efficient, it’s perfect for apartments, bedrooms, and small offices without window exhaust options.
Buying Guide For Air Conditioners Without Exhaust
When choosing the best air conditioner without exhaust, consider the following key factors to ensure you select a model that suits your space and needs:
Type of Cooling Technology
- Evaporative Coolers: Use water evaporation to cool air, require no exhaust hose, work best in dry climates, and are energy-efficient.
- Refrigerant-Based Portable ACs: Use refrigerant to cool air deeply, suitable for humid climates, and provide stronger cooling but generally require venting; look for models with auto-evaporation or condensate pumps if no exhaust is possible.
Room Size and Cooling Capacity
The cooling power, measured in BTU for refrigerant ACs or airflow for evaporative coolers, must match the room size:
- Up to 300 sq. ft.: Small evaporative coolers or lower BTU portable AC units will suffice.
- 300-700 sq. ft.: Larger BTU refrigerant ACs or bigger evaporative coolers with high airflow capacity are recommended.
Water Tank Capacity (For Evaporative Coolers)
A larger water tank means longer continuous operation without refills. Check for easy refill designs and included ice packs for extra cooling.
Features and Controls
- Multiple fan speeds and cooling modes help customize comfort.
- Timers and remote controls add convenience.
- Oscillation features improve air distribution.
- Noise levels matter for bedroom or office use; look for quiet operation specs.
Installation and Portability
True windowless units require no complex installation or exhaust venting. Look for compact, lightweight designs with casters or handles for easy movement.
Energy Efficiency
Evaporative coolers typically consume less energy than refrigerant ACs. Check energy-saving modes or certifications to reduce operating costs.
Understanding these factors will help you choose the best air conditioner without exhaust tailored to your space, climate, and comfort preferences.