When high heat and humidity come on strong, a simple open window with a fan in front of it just doesn’t cut it. Sometimes, it can even make things worse. Instead of trapping hot air in your home and moving it from point A to point B, put an air conditioner in the nearest window and bask in the unique comfort and relief that only air conditioning can bring when the mercury rises. You’ll sweat less, think more clearly, and you’ll find that it’s so easy to do that you’ll wonder what took you so long in the first place.

Here’s a list of our favorite window air conditioning units currently available.

Best overall: Midea Window Air Conditioner 12000 BTU Easycool AC

For Medium-Sized Spaces

Designed with a fresh air vent to keep your space from getting stuffy. Amazon

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Here’s a 3-in-1 unit window air conditioner that offers additional operation modes as a fan and as a simple dehumidifier. It’s effective in rooms up to 550 square feet in area and is designed specifically to be easy to install with the included hardware without requiring modifications to your window frame. You can even set it using the included 24-hour timer function so it turns off at a set time before bed or to start cooling down your home before you arrive from work.

Best for small rooms: hOmeLabs 8,000 BTU Window Air Conditioner

Uninterrupted Flow

Automatically dims and quiets in sleep mode. Amazon

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This window air conditioner from hOmeLabs will keep a room up to 450 square feet cool and its occupants comfortable. With its 8,000 BTUs of cooling power, compact frame, and subtle whir that hovers around 55-decibel units, any small office or bedroom will benefit from this unit’s presence without any subtractive effects. It’s controlled with an onboard digital display and comes with a remote control so you can turn it on and off without interrupting your flow.

Most intelligent: FRIGIDAIRE 12,000 BTU Cool Connect Smart Air Conditioner

Adjust From Your Phone

Great for allergy sufferers. Amazon

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This WiFi-enabled air conditioner from Frigidaire can be fully controlled using the compatible app on your smart device, enabling you to control fan speeds, operation modes, and temperature remotely. It cools rooms of up to 550 square feet and dehumidifies at a rate of three pints per hour, making it a good choice for living areas and kitchens. It’s sleek and stylish, and it even uses ionizing technology to sift pollen, dust, and other impurities out of your air as it runs.