Best Air Conditioner For Horizontal Sliding Window 2023: Expert's Choices

10,000 BTU compact air conditioner for window-mounted installation uses standard 115V electrical outlet

Quickly cools a room up to 450 square feet. with dehumidification up to 3 pints per hour

Low power start-up conserves energy and saves you money

After a power outage, Effortless Restart resumes operating at its previous settings once power is restored

Ready-select electronic controls allow you to easily select options with the touch of a button

ULTRA QUIET - The Midea U Smart Inverter AC unit is 9 times quieter than traditional units. The U-shape design uses your window to blocks noise outside and the high efficiency Inverter system warrants ultra low noise and vibration. This design allows for extremely quiet operation as low as 42 dBA - almost as quiet as a library – so you can get a restful night’s sleep or binge your favorite shows undisturbed.

MORE THAN 35% ENERGY SAVINGS - With the advanced DC Inverter technology, Midea U achieves over 35% energy savings compared to other traditional units, and it's the first window AC to obtain the ENERGY STAR Most Efficient 2022 Certification. You may also get exclusive benefits from your local energy distributor.

FLEXIBLE WINDOW OPENING - Midea U-shaped design allows your window to open, bringing fresh air into your home anytime and allowing you to maintain more of your view even when the unit is installed. The Anti-Theft Mechanism locks the closed window for added security

SMART CONTROL - The Midea U Smart Inverter Air Conditioner is Wi-Fi enabled and can be controlled from anywhere through the cloud using the MideaAir app on iOS or Android. You can also use voice commands throughout your house, office, or apartment using Alexa or Google Assistant.

ROBUST INSTALLATION - Install the included quick-snap bracket, set the unit on the bracket, and secure the sidearms. After that, you are all done and ready to enjoy. Available for single-hung or double-hung windows with size: 22"-36", minimal height at 13.75".

COMPACT DUAL HOSE DESIGN: The hose-in-hose design combines intake and exhaust hoses in one. No more messy running tubes. Dual-hose versions operate more quickly as it has a more efficient air exchange process and more effective at cooling larger spaces than the single-hose variants.

EFFICIENT COOLING AND HEATING - The latest model of Cooper&Hunter 14000 BTU portable Duo hose AC/Heater has variable-speed inverter technology that cools and heats with considerably less electricity than traditional portable units.

DESIGNED TO LAST - You are protected with 2y replacement warranty and a US-based technical support should you need any assistance.

QUIET BUT POWERFUL OPERATION - Using an optimized air duct duo system and improved inverter compressor full cooling speed can be reached only in 5s. And, with only 42 dB of sound level this Cooper&Hunter Duo Hose portable air conditioner is a great fit for any bedroom or a living room.

4 IN 1 MULTI-FUNCTION - Cooper & Hunter Duo Hose Air Conditioner With Heat comes with 4 essential functions for all of your HVAC needs including cooling, heating, ventilation, & dehumidifying features combined all in one system.

QUICK AND SIMPLE INSTALLATION - Everything you need for the installation is included in the box including the exhaust hoses, window bracket, and connectors. Bracket will fit vertical or horizontal windows from 20-46” wide with a minimum opening of 5.9”.

EASY TO USE AND CLEAN - Pre-installed washable filter keeps the system from clogging the internal components. A clean filter alert will let you know when it’s time to vacuum or wash. A standard three-prong plug fits almost any outlet, and a 6’ power cord gives you placement flexibility.

LOW NOISE PERFORMANCE: Operates at sound levels as low as 52dB (in low mode) eliminating unnecessary noise.

MULTIPLE FAN SPEEDS: 3 cooling and fan speeds allow you to customize your cooling.

MAXIMUM USABILITY: Easy to use electronic controls with remote

AUTO RESTART: After a power failure, auto restart will automatically turn the unit back on when power is restored

COOLS ROOMS UP TO 260 Square Fee: LW6017R is ideal for cooling medium rooms (10' X 25')

LOW NOISE PERFORMANCE: Operates at sound levels as low as 52dB (in low mode) eliminating unnecessary noise.

ENERGY STAR CERTIFIED: This air conditioner has met the high standards of the energy star program using energy-efficient technologies that translate into electricity savings.

MULTIPLE FAN SPEEDS: 3 cooling and fan speeds with auto cool allow you to customize your cooling.

MAXIMUM USABILITY: Easy to use electronic controls with remote

COOLS ROOMS UP TO 450 Square Feet: LW1016ER is ideal for cooling medium rooms (18' X 25')

QUICK COOLING: Give your hot room the cold shoulder. TOSOT 12,000 BTU Window Air conditioners are best for spaces up to 550 sq. ft. If your space has high ceiling, an open floor plan, or a lot of traffic, you may want to consider sizing up.

MODERN DESIGN: This ain't your grannie's Window AC. Gone are the eyesores of yesterday, with their ugly metal grilles messing up the flow of your interior decorating skills. Bring the art gallery to your home by installing this sleek, minimalistic air conditioner in your living room window.

1 PRODUCT, 3 USES: At TOSOT, we want our products to solve as many of your problems as possible. That's why we're giving you three products for the price of one! This is not only a Window Air Conditioner, but also comes with modes for fan-only and for dehumidifying.

SMART TEMPERATURE CONTROL: On most air conditioners, the thermostat is located on the unit itself. TOSOT Air Conditioners uses a thermostat is located on the remote, meaning your AC will cool your space based on the temperature around your remote (which is probably close to you, right?)

SAVES YOU MONEY: TOSOT Window Air Conditioners are Energy-Star rated, making them better for the environment and your wallet. Everyone may not agree on climate change, but the one thing we can all stand behind is lower utility bills.

CONTROL YOUR COOL FROM ANYWHERE - LG ThinQ Technology lets you control your LG air conditioner from anywhere. You can start or stop cooling, change the mode, or set the temperature while on the go. It also works with Amazon Alexa and Hey Google so you can change settings with simple voice commands.

LOW NOISE PERFORMANCE - LG window air conditioners operate at sound levels as low as 52dB (in low mode) eliminating unnecessary noise.

ENERGY STAR CERTIFIED - This air conditioner has met the high standards of the ENERGY STAR Program using energy-efficient technologies that translate into electricity savings.

MULTIPLE FAN SPEEDS - 3 cooling and fan speeds with Auto Cool allow you to customize your cooling.

COOLS ROOMS UP TO 350 SQ. FT.- LW8017ERSM is ideal for cooling medium rooms (10' X 35")

【3-IN-1 FUNCTIONALITY】- ZAFRO portable air conditioner is equipped with 3 modes to choose from-Cool, Dry and Fan. Air conditioner cools your room, 19L/day dry capacity and 2-speed fan satisfies your needs. It’s the ideal portable air conditioner for apartments, dorms, cabins, campers, offices, bedrooms, or living rooms.

【EASY-TO-OPERATE】- The portable AC unit features an easy-to-read LED display and a compact remote control for you to set time, temperature and mode easily. Four castor wheels make it easy to move from room to room. It’s an ideal choice for you to choose ZAFRO portable air conditioner in this summer.

【QUIET & POWERFUL】- Our 5,000 BTU SACC (8,000 BTU ASHRAE) portable air conditioner (13.77 x 13.7 x 27.59 inches) will keep you cool and comfortable this summer. Cool to 250 square feet space (ambient temperature and humidity may influence optimal performance). In addition, the output with quiet 54dB in low-speed mode ensures no interference at night.

【EFFICIENT OPERATION】- The self-evaporating system uses the collected water to cool the condenser oils for a more efficient performance. It is no need to empty the drainage tank in cooling operation, drying operation and high humidity conditions. 24-hr timer. And sleep mode makes it extra quiet while you rest.

【EASY-TO-INSTALL】- Move your portable air conditioner to the preferred cooling aera, connect the included hose and window kit adapter, adjust the louver at the air outlet, and then open the unit to start cooling. No extra tools are needed for assembly, installation instructions are simple and can be completed by anyone.

【BEST SLEEP COMPANION】When you want to adjust it while lying in bed, just point the remote control at the Settings controller.The 7 hour timer will keep you cool all night long.If you want to fall asleep cool, it's a good choice.

【EASY TO CLEAN】Turn it off and unplug the power cord and remove the filter mesh ,then let the water flow through the filter in the opposite direction to the air flow. Set aside to allow the filter to dry completely before reinstalling.

NOTE: Our portable air conditioners are suitable for rooms with windows; 1、Applicable size for up and down sliding windows: 26 inches ≤ width ≤ 50 inches, no height requirements. 2、Applicable size for left and right sliding windows: 26 inches≤height≤50 inches, no width required.

AWARD-WINNING: Good Housekeeping's 2022 "BEST OVERALL PORTABLE AIR CONDITIONER Provides powerful cooling over large areas"

POWERFUL & QUIET: 14,000 BTU (ASHRAE) / 9,500 BTU (SACC) cooling capacity; Noise level (dBA): <56

ADVANCED SELF-EVAPORATION: Dual hose operation; Cools up to a 500 square foot space (ambient temperature and humidity may influence optimum performance); Patented auto drain function fully exhausts all condensate automatically in most environments; Dehumidifying capacity: 71 pints per day; Air Flow (at high speed): 430 m3/h / 253 CFM; 3 fan speeds

MULTI-FUNCTIONAL & ENERGY SAVING: Three operational modes: Cool, Dehumidify, and Fan; Full thermostatic control (61°F – 89°F); Maximum power consumption: 1300 W / 11.6 A; Power supply: 115 V / 60Hz / 1 Phase; Eco-friendly CFC free Green R-32 refrigerant

EASY TO SETUP & PORTABLE: Extendable exhaust hose (up to 60″) 5.9"" diameter; Window kit dimension: 6.5″ W x 20″ L (minimum), 46″ (maximum); Unit dimensions: 19″ W x 16″ D x 35.5″ H; Activated carbon air filter and washable pre-filter

Energy efficiency Ratio (EER): 11.3 (cooling)

Special 230V electrical outlet required (unit will not work with a standard 115V outlet)

12,000 BTU cooling for rooms up to 550 sq. Ft

11,200 BTU heating for Approx. 450 sq. Ft

2 cooling speeds/2 heating speeds/2 fan speeds