Evaporative Coolers

Notice: Not sold to consumers located in California The indoor portable evaporative air coolers evenly distributes cool air through the honeycomb cooling media while the dust filter cleanses the air. Its non-compressor system cools naturally, efficiently and inexpensively without power-hungry components. This evaporative air cooler, humidifier, and fan is versatile, lightweight and economical. It can also be used as a air purifier because of its anion generator. This air cooler easily rolls from room to room for use anywhere in your house or office. Notice: Not sold to consumers located in California

It is s great cooling fan . It helps keep me cool in my very hot classroom. It is definitely not an air conditioner but cool down the room.. Nancy. CA. Sat Sep 27 2025

6 Tons Air-cooled Industrial Chiller：An indoor unit with its own internal 0.5hp process pump. The closed-loop industrial chiller with its own internal insulated 53L reservoir. This chiller is ideal for indoor climate control conditions from 5℃ to 25℃. We have designed this chiller with you in mind. Don't overheat when you can beat the heat with our chiller.

Feel the breeze of a coastal chill with the HOMCOM air cooler fan, your multi-functional AC fan, and swamp cooler. Effortlessly switch between fan, ice-cool, and humidifying settings to create a great climate. Dive into comfort with three refreshing modes and speeds, and let the 90° oscillation spread the coolness far and wide. With a large tank, this room cooler keeps you refreshed all day<br/> no refills are needed.

Cooler is small, yet mighty, delivers good & strong air breeze and also easy & light weight to carry up a flight of stairs, especially for us seniors !. Pauline. Carson, CA. Tue Jul 28 2026

The Hessaire MC37V 3,100 CFM Evaporative Cooler is compact in size, pleasing in aesthetics, and the performance exceeds coolers of a much larger size. This performance is achieved through expanding air-intake areas to the high-density rigid media. These coolers have 3 media panels instead of a single panel found on most mobile coolers. 3 panels allow more air-intake area and reduce pre-rotation of the air to the prop, which translates into lower static pressure and more efficient air delivery to the prop.

Excellent Swamp Cooler. works great outside.. Juisa. San Bernardino, CA. Mon Sep 21 2026

The Hessaire 1,300 CFM Evaporative Cooler is compact in size, pleasing in aesthetics and the performance exceeds coolers of a much larger size. This performance is achieved through expanding air-intake areas to the hi-density XeL50 rigid media. The hi-density XeL50 media provides 80% more evaporation surface compared to regular density media. This means higher evaporation efficiency and cooler temperatures. The patented axial prop is energy efficient and throws cool air farther. Molded with ABS resin, creating a strong, yet lightweight design. This model has a handle to carry the unit. 1-year warranty.

Excellent for price Value. Blows cold. I have it under gazebo and it keep cool.. Shunta. Desoto, TX. Fri Sep 04 2026

Air Cooled Water Chiller 5 Ton Portable, 5Hp 53L Tank Industrial Chiller, Finned Condenser w/Micro-Computer Control, 15KW Cooling Capacity Stainless Steel Tank Chiller Machine for Cooling Water Low Consumption Motor Professional Finned Condenser Smart Protection System Precise LED Screen Effortless Setup and Operation Built-in Water Pump Fan Motor Power: 0.36KW,Compressor Type: Fully Enclosed Vortex,Item Dimensions (L x W x H): 43.3 x 21.7 x 51.2 in / 110 x 55 x 130 cm,Pipe Diameter: 0.2 in / 5 mm,Compressor Motor Power: 5HP / 3.75KW,Heat Exchange Tube Material: Copper,Cooling Capacity: 15KW / 12900Kcal/h,Condensation Temperature: 45℃,Pump Head: 62.34 ft / 19 m,Tank Capacity: 53L,Pump Motor Power: 0.5HP,Regulate Temperature: 5℃ - 25℃,Net Weight: 397 lbs / 180 kg,Power: 220V / 60Hz / 3P

Hexago 5000 CFM Evaporative Air Cooler, Swamp Cooler With Mist, 13.2 Gal Tank, Remote, 15H Timer, Oscillation, 3 Speeds, Portable swamp cooler for Garage, Patio, Commercial Use, ETL Safety Listed

The SlimKool 8500 CFM Evaporative Cooler is compact in size, pleasing in aesthetics, and its performance exceeds that of coolers of a much larger size. This performance is achieved through higher-performance StayCool cooling media pads and a tri-inlet design that reduces rotation of the air to the fan for better efficiency. This means higher evaporation efficiency and cooler temperatures. The 3-blade polypropylene prop is energy efficient and throws cool air farther. The ASD air oscillating design provides maximum throw from side to side. The structural polypropylene plastic won't rust, is easy to clean, and has a 2-year warranty.

Anonymous. Tue Jun 23 2026

The KoolKube AZ105MA is an 18,500 CFM industrial mobile air cooler designed for warehouses, commercial shops, large venues, and farm and barn applications. Its clever tri-inlet cooling design and precise water distribution pair perfectly with StayCool Pro HD media pads to deliver massive temperature drops while minimizing water drift into the air stream. The powerful 750W, 3-speed motor and anti-static blade move more air with greater efficiency. Backed by a 2-year parts warranty and a 5-year cabinet warranty.

There's no need to break a sweat at the office with DECKER's mini cooler and USB desktop fan. With portable dimensions of 7.5” x 6.25” x 5.9" and weighing just 1.79 lbs., this compact cooler takes up limited space on countertops and desktops to work alongside your laptops and computers. With three fan speeds (Low, Medium, High) from 71.51 to 93.51 CFM, you can stay comfortable and breezy any time of day. Easily top fill the 0.5L water tank with water and watch it run up to 8 hours before it needs a refill. A removable cooling pad is included to help enhance the cooling of your air output. Simply pre-soak the pad under cold water and reinsert for best results. Our portable air cooler has an adjustable air vent to direct airflow where it’s needed. Complete with non-skid grips on the bottom so you can secure your mini air humidifier cooler in place. The water tank features a water level indicator with LED feature. Light button lets you choose between solid or rotating color modes. This USB fan offers 0.06 l/h humidification output. Perfect for your office, home office, kitchen, bedroom, basement, or anywhere else you need to stay cool and comfy. Included with a 39” micro-USB charging cable.

I started to returned air cooler but so glad I didn’t it’s perfect keeps my tent cooled. Karen. Alabama. Sun May 03 2026

Beat the heat and cut energy costs at the same time with the NewAir Evaporative Cooler. In arid climates, this portable cooler provides a cool breeze with just a little water, thanks to the innovative honeycomb pad's ability to turn hot dry air into a cool refreshing breeze. Because it uses the same amount of electricity it takes to operate a fan, you reap big savings over the cost of traditional air conditioners. Cyclone Circulation technology moves cool air efficiently throughout the room for fast results, allowing you to enjoy eco-friendly comfort all season long.

I received ityesterday. I hav e been look for a cooking fan for a long time , the reviews were really good so I ordered it . I love it , I put it in my office and it cools the whole office .. Erika. Buford, GA. Wed Feb 07 2024

Experience instant relief with the DREO TurboCool Misting Fan 516, offering powerful airflow up to 26 ft/s and 512 CFM to cool your space in seconds. Thanks to advanced 1.7 MHz ultrasonic technology refreshes without moisture buildup, at just 20 dB, ensures a soothing breeze that won't interrupt your sleep or focus, while providing up to 12 hours of cooling. 150° of horizontal oscillation and a 30° vertical tilt direct airflow exactly where you need it.

Lovin it! Best lil fan ever, makes the fan feel cold actually delivers a strong cooling effect. The mist. Jacqueline. Thu Jul 23 2026

This portable evaporative air cooler offers powerful cooling for your indoor living spaces, warehouses, garages, and other large spaces to beat the heat. Three fan speeds provide up to 3570 CFMs of airflow to spread the air and keep you cool. Thick cooling pads cover two sides and the back of the fan with a 16-gallon tank. The cooling pads cover a maximum surface area to achieve an excellent cooling effect and are easy to remove and clean. With its casters, this portable cooler can be moved around with ease.

Creates a lot of air movement. I wouldn’t say the cooling part is as good as a a/c but it works. This thing is huge. But extremely light weight. Easy to move around with the wheels, great for by a door.. Madison. Thu Aug 11 2022

Stay cool and comfortable with the Portable 8.5 Gal Evaporative Air Conditioner, a versatile 3-IN-1 solution designed to keep your home or office at the perfect temperature. This air cooler works as a fan, humidifier, and cooler, offering powerful cooling with the option to add water or ice crystal boxes for enhanced airflow. Featuring a large 8.5-gallon detachable water tank, it’s easy to refill and store when not in use. The 120° adjustable louvers allow the air to reach every corner of the room, and with three wind speeds, you can personalize your comfort level. The included remote control and 1–7 hour timer make it even easier to operate, while the sleep mode ensures a peaceful night’s rest.

Picked this up for a spare bedroom that doesn’t get much airflow. The fan is stronger than I expected, and the cooling packs make a noticeable difference if you’re close to the unit. It’s also pretty quiet on the lower settings, so I can leave it running while I’m working or watching TV. Just don’t expect it to cool an entire house like an air conditioner. For a single room, it’s done a nice job.. Melanie. CA. Fri Jul 10 2026

Stay cool this summer with HOMCOM's portable oscillating fan. Unlike bulky window swamp coolers, this lightweight evaporative air cooler is mounted on wheels for easy mobility. Simply unplug and move it to any room to enjoy a refreshing breeze. Experience effortless cooling wherever you go with HOMCOM's mobile air cooler.

Its awesome. Portable and does the job great. Anonymous. US. Thu Aug 18 2022

Looking for an eco-friendly cooling solution that fits different room sizes and decor styles? This dual-size, dual-color air cooler has you covered. Available in two colors, it adapts to small apartments and large living spaces alike. The thoughtful top water filling structure simplifies daily maintenance, and built-in rolling wheels allow you to shift the unit anywhere freely. Running with low noise, it will not affect your rest, work or study. Whether placed in the bedroom, living room or office, it can create a comfortable cool environment for you.

Imagine this: Your 200 sq.ft. home office feels like a sauna on a summer afternoon. Within minutes of filling the 1.3-gallon tank, your 26.2" swamp cooler is circulating 90° oscillating chilled air - first using standard fan mode while you work, then switching to iced air mode when the temperature peaks. The LED display shows exactly when to refill (about every 8 hours), while the remote lets you adjust settings without leaving your chair. You'll love how the smooth-rolling casters let you reposition it from desk to bedside as needed, with locking brakes keeping it securely in place. The visible water window eliminates guesswork, and the washable filter means no expensive replacements. Whether you're cooling a dorm room, home office or nursery, this compact unit delivers serious cooling power without the complexity of traditional AC systems.

The portable air cooler is perfect for cool and refreshing summer days. This 3-in-1 cooler can be used not only as an electric fan to keep air circulating, but also as a humidifier to humidify the air. Best of all, it's equipped with the latest evaporative cooling technology that cools the space instead of dehumidifying the air like a traditional air conditioner; cool and humidify your surroundings in the most comfortable and quickest way; add a cooler and you'll be twice as cool. It's perfect for hot weather.

I love it for the price. It is very cold. Nicole. Georgia. Wed Jul 22 2026

The SlimKool 4500 CFM Evaporative Cooler is compact in size, pleasing in aesthetics, and its performance exceeds that of coolers of a much larger size. This performance is achieved through higher-performance StayCool cooling media pads and a tri-inlet design that reduces rotation of the air to the fan for better efficiency. This means higher evaporation efficiency and cooler temperatures. The 3-blade polypropylene prop is energy efficient and throws cool air farther. The ASD air oscillating design provides maximum throw from side to side. The structural polypropylene plastic won't rust, is easy to clean, and has a 2-year warranty.

This portable air cooler offers three fan speeds to adjust airflow to your preference. Operating at a lower wattage, it is designed for personal or targeted cooling in spaces such as a bedroom or home office

This triple-fan evaporative air cooler delivers powerful natural evaporative cooling to lower ambient temperature for patios, living rooms and outdoor leisure spaces. Equipped with multiple adjustable wind speeds and wide-angle automatic swing mode, it circulates refreshing airflow evenly across the area. Designed with dual water filling ports on the top and front for convenient water refilling; it comes with 4 dry ice boxes to enhance cooling effect for longer-lasting chill. Built-in timing function supports scheduled operation to save energy while meeting different usage demands. Without bulky installation requirements, the portable tower structure fits indoor and semi-outdoor scenarios perfectly. It generates comfortable breeze without dry air, making it an eco-friendly cooling alternative suitable for daily home and backyard use all summer long.

Great item and very nice and fits well aesthetically. I will buy again and highly recommended to any customers. Anonymous. Wed Sep 23 2026

Stay cool and comfortable with this portable evaporative air cooler, designed for fast airflow, added moisture, and easy everyday operation. Featuring mechanical button control, this unit is simple to use and lets you quickly switch between cooling settings and fan speeds. With a large 7-gallon water tank, this air cooler supports longer cooling sessions while helping add moisture to dry air for a more comfortable indoor environment. To enhance the cooling effect, it includes 4 reusable ice packs, giving you more cooling support than many standard models that come with only 2. The top-fill design makes refilling quick and convenient, while the 120° wide airflow range helps deliver cool air across a larger area. Built with high-density cooling pads for faster evaporation and improved cooling performance, this unit is ideal for living rooms, bedrooms, dining areas, and other home spaces. With low-noise operation around 45 dB and 4 caster wheels for easy movement, it provides flexible cooling without disturbing your daily routine.

I purchased this item to try to cool a room that I’m unable to put a window ac unit in. Definitely disappointed in its cooling potential. Mostly just blows air around. The ice packs dont seem to do anything and melt quickly. Anonymous. Sat Aug 15 2026

Beat the heat with our Portable 10L Evaporative Air Conditioner, the ultimate 3-IN-1 solution for cooling, fan comfort, and humidification. Whether you're lounging on the couch, working at your desk, or catching some Z's in bed, this sleek unit ensures personalized climate control wherever you roam.

I love it!! It's better than an air conditioner!! This I can move from room to room and there is NO venting.. Anonymous. US. Mon Jul 20 2026

Introducing our Portable Evaporative Air Conditioner, your ultimate solution for personalized cooling and comfort. Experience upgraded air cooling technology that utilizes a simple yet efficient mechanism. Cold water from the tank is pumped to the top of the unit, cascading down through wet curtain paper. As it flows, it creates a cool, humidified breeze blown out by the rotating wind wheel. With three adjustable speeds, tailor the airflow to your preference with ease. Designed for energy efficiency, our air cooler offers a cost-effective alternative to traditional window AC units. No need for complex installations or modifications; simply place it in any room, even those without windows, and enjoy instant cooling relief without breaking the bank.

This is a great investments. I like it absolutely freezing cold in my room, but not throughout the house. And this does the job.. Chiquita. IL. Mon Aug 17 2026

This 3-in-1 portable evaporative cooler is designed to provide efficient cooling for spaces up to 600 square feet using water evaporation technology. The 90W motor delivers impressive wind speed of up to 35 feet per second. The unit functions as a cooler, fan, and humidifier, making it suitable for bedrooms, living rooms, offices, dorms, nurseries, and even outdoor spaces like tents or patios. Six adjustable fan speeds let you tailor airflow from a gentle night breeze to a powerful burst for hot afternoons. The 4.5-gallon water tank ensures longer operation with fewer refills. The built-in HEPA filter captures dust, pet dander, and odors, providing cleaner, fresher air—ideal for individuals with allergies or sensitivities. The unit features 120° wide oscillation for even cooling distribution and operates as quietly as 30dB. A timer allows for automatic shut-off, and the included remote control provides convenient operation. The compact, windowless design with caster wheels makes it easy to move between rooms. No hoses or permanent installation are required, making it a reliable alternative to fixed window units.

The summer months have arrived and the indoor heat keeps you sweating non-stop. Installing an air conditioner can solve your dilemma – but this can cost a lot of money and make you spend even more on energy costs. Prolonged use of air conditioning systems can reduce humidity levels in the room. It can contribute to indoor comfort and may also lead to dry skin and irritated air passages. You know you are breathing in dry air if your nose and throat feel itchy every time you inhale and exhale. Dry air can be caused by a massive drop in humidity levels during the winter season or by excessive use of your air conditioning system. This air cooler cools and humidifies your indoor air at the same time. You don’t have to worry about dealing with dry air and the uncomfortable effects it has on your skin, nose, and throat. It also features 4 operating modes: Normal – Provides a steady flow of cool air. Natural - Regularly cycles through a low, medium, and high fan speeds. Sleep - Fan automatically steps down to a lower speed after 30 minutes of use. Smart – The air cooler automatically adjusts the fan speed depending on your room temperature.

The Black Decker evaporative cooler has been a life saver. Our air conditioning unit stopped working. The unit has helped keep our family room cooler despite the hot weather. It’s portable so we are able to move it around. One downside is that the wheels don’t glide as easily as I would like, but other than that it’s a great product.. Ruth. Altadena, CA. Tue Jul 18 2023

The MC26 is the 2nd smallest size and ideal for tight spaces. It features a humidity control and an air sweep function for broader coverage. It weighs just 21 lbs. and is very portable. It is our only cooler with a humidity control feature, electronic controls and a remote control.

With the advent of summer, if you don't want to get sweaty while working or sleeping, it's time to choose a suitable cooling fan for yourself and your family! This portable air cooler for room from Caynel blows a powerful stream of ice cold air into your room, home, office and gym. This evaporative air coolers offer an friendly and cost-effective way to cool spaces indoors and outdoors. Fan, humidification and cooling 3-in-1, they can be used as the sole cooling system or to complement existing air conditioning systems. It utilizes an advanced honeycomb filter that passes warm air over ice cold water become to cooler air.

Easy to use. the frozen bottles are mess-free and easy to switch out.. Victoria. Thu Jul 23 2026

evaSMART is a smart home compatible evaporative air cooler

Works great!. Leah. Davisburg, MI. Wed Jul 01 2026

This all-in-one evaporative cooler delivers ventilating, ice cooling and humidifying airflow to cool 270–377 sq ft bedrooms, home offices and apartments; equipped with lockable rolling wheels, child-safe fan grilles, two reusable ice boxes, a long-range remote and 12-hour sleep timer, its low-watt 80W operation and large 3.2-gallon tank create consistent, energy-efficient cool comfort all summer without frequent refills.

Keep the staff cool and productivity high in the heart of a heat wave. The tri-inlet design allows for more air through, and the ASDS sends air to a wide cool zone and drops air temperature up to 30 degrees. The KoolKube AZ96MA 12,500 CFM Portable Evaporative Cooler is unmatched. Engineered to cool massive areas up to 2,600 sq. ft., including manufacturing plants, barns, shops, horse stalls, or sizable outdoor events, this cooler delivers top-notch performance. The 32-gallon water tank, combined with the high-density media, ensures effective and efficient cooling over a large area. The heavy-duty construction and oscillating design provide the durability and coverage needed for the most demanding environments.

Our products feature solid materials and meticulous craftsmanship, delivering quality that stands the test of time for true durability. We also maintain affordable pricing with outstanding value, allowing you to enjoy reliable, high-quality items at a reasonable price—truly worth every penny.

Dianna. Compton, CA. Sat Sep 12 2026

Evaporative Air Cooler, Breezewell 2100 CFM Outdoor Air Conditioner, 5.3 Gallon Windowless Air Conditioner for Room with 3 Speed, 4 Ice Pack, 4 Scroll Casters, Swamp Cooler for Outdoor Indoor Use

The portable air cooler is great to bring you a cool and fresh summer. This 3-in-1 cooler not only can serve as an electric fan to keep the air circulating but also can humidify the air as a humidifier. Most importantly, it is equipped with the latest evaporative cooling technology to cool down your area, instead of drying the air like traditional AC units; Cool and humidify the surrounding off in the most comfortable and fastest way, adding frozen ice boxes you will get double the coolness. It is the best choice for hot weather.

26-inch 3-in-1 evaporative cooler integrates cooling, fan and humidification, cooling area up to 215 sq.ft. Equipped with ice packs for stronger cooling, 90° oscillation for wide coverage. Multiple wind speeds and modes, 1.3-gallon water tank for 8-hour runtime. 7-hour timer, remote control and lockable casters for easy moving, washable filter keeps air fresh.

Looking for a way to beat the heat? Vivohome Evaporative Air Cooler is your affordable solution. Compact and adjustable, it effortlessly blends into any space while providing a refreshing breeze. With its versatile and sleek design, this portable evaporative cooler can provide cooling up to 30 square meters and circulate air at 2400 CFM, delivering superior cooling and clean air whether indoor or outdoor. More energy-saving than air conditioners, it will be your useful investment this summer!

Works well but makes a lot of noise.. Susan. Sun May 24 2026

This air condition with 10000 BTU can cooling rooms of 161 square feet maximally. There are lots of excellent functions and designs. Four working modes, cool, dehumidify, air blowing and sleep modes can serve you better. It can dehumidify up to 50 pints per 24 hours. The remote control and LED control panel are available for easy control. In order to create safer using, it is designed with plenty of protective functions such as 24-hour programmable timer, super intelligent temperature sensor and water-full control and warning etc. Besides, this cooling air condition comes with 4 casters for easy transport. Note: This Item Comes Without Drain Hose.

Worked really good for a while then it began to make a rattling noise. Customer service was great they sent me a new right away.. Atzimba. US. Sat Jun 18 2022

Beat the heat this summer with an oscillating fan from . A window swamp cooler can be clunky and heavy, but this evaporative air cooler gives you the cool air you need on wheels so mobility is a breeze. You can unplug this room cooler and easily take it with you, so you're cool in any room. Chill out this summer with this portable air cooler from .

Ideal for indoor climate control in residential and commercial spaces, this Air Cooler delivers reliable performance and user-friendly operation. It features fan, ice cooling, and humidifying functions enhance air comfort, normal, natural, and sleep modes with three speeds, and oscillates 90 degrees to distribute cool air evenly. Comes with package, including all necessary accessories for immediate use.

【Powerful 3-in-1 Cooling Performance】This evaporative air cooler delivers effective cooling, ventilation, and humidification all in one compact tower fan. Its 4.5 Gal water tank supports extended operation, while 3 adjustable fan speeds and 120° oscillation ensure even airflow throughout any room. Perfect for maintaining a comfortable indoor climate during hot summer days, it cools bedrooms, offices, workshops, and garages efficiently without the need for window installation.【Durable Tower Design with Modern Style】Made from premium white and black plastic, the tower fan is built for long-term daily use while maintaining a contemporary look that blends seamlessly into home or office decor. The robust structure and stable base ensure safe operation, while the sleek tower design saves floor space and complements modern interiors.【Intuitive Touch Controls &amp; Remote Convenience】Equipped with a responsive touch-control panel and full-function remote, users can easily switch between 3 fan speeds, adjust cooling modes, and set timers. The controls are clear, precise, and simple to use, allowing convenient operation from across the room without interruption to work or relaxation.【Versatile &amp; Portable Indoor Use】Compact yet powerful, this tower cooler is suitable for homes, offices, garages, or workshops. Its 120° oscillation distributes cool air evenly, and the integrated caster wheels make it effortless to relocate. The unit fits easily in tight spaces, providing cooling wherever it’s needed while optimizing comfort and airflow in any indoor environment.

Portable air conditioner has 14000BTU large cooling capacity, covering room up to 500 sq. ft. Multi-functional modes Cooling/Fan/Dehum. Sleep modes create a even level of coolness in a energy efficient way. The air conditioner could adjust the temperature of 62ºF-86ºF. The fan mode has two speeds -- high and low. In the rainy season, the portable AC can be changed into a dehumidifier, which can easily dehumidify 1.5L/h. A multi-purpose machine, 4 seasons suitable. You are free to move around on smooth rollers and control it conveniently with remote and 24-hour Timer. White sleek cube, compact design is a excellent choice for indoor use, such as RV, kitchens, dorms, apartments, offices, where is difficult to install wall mount ACs.

Stay cool across your entire space with this 26.2" evaporative air cooler. Measuring 10"W x 11.2"D x 26.2"H, it cools up to 215 sq.ft. and features 90° oscillation to distribute cold air evenly. With 3 cooling ways (cold fan, fan with ice, humidifier), 3 speeds, 3 modes, and a remote, it’s perfect for homes, offices, and bedrooms—portable and easy to operate.

Portable air conditioner has 10000BTU large cooling capacity, covering room up to 350 sq. ft. Multi-functional modes Cooling/Fan/Dehum. Sleep modes create a even level of coolness in a energy efficient way. The air conditioner could adjust the temperature of 62ºF-86ºF. The fan mode has 2 speeds -- high and low. In the rainy season, the portable AC can be changed into a dehumidifier, which can easily dehumidify 1.5L/h. A multi-purpose machine, 4 seasons suitable. You are free to move around on smooth rollers and control it conveniently with remote and 24-hour Timer. White sleek cube, compact design is a excellent choice for indoor use, such as RV, kitchens, dorms, apartments, offices, where is difficult to install wall mount ACs.