Two window air conditioners that look identical can vary significantly in cooling power. Just look at our top pick: The Midea U-Shaped AC has models rated at 8,000, 10,000 and 12,000 BTUs.

Black + Decker's portable AC and dehumidifier is on sale for the lowest price we've seen all year - get it for just $250 ...

Living in buildings with small, oddly-shaped windows or even no exterior ventilation to hold a traditional box-shaped window unit had tarnished my dream of ever having my own AC. Then I learned about ...

The 10,000-BTU output of this window air conditioner is enough to cool everything from basements to master bedrooms to most living rooms. Our testers immediately noticed the larger size and heft ...

For example, a 12,000-BTU air conditioner that uses 1,200 watts of electricity has an EER of 10. Generally speaking, window AC units typically have ratings between 8 and 12.

Window AC units are the most effective and energy efficient at cooling rooms. James Brains/Business Insider Winner: Window air conditioners We test portable ACs by running them in a 550-square ...

This unit isn’t like other window AC units. It’s stylish, near-silent, and cleverly designed so you can still open your window without risking a tragic 60-pound steel box plummeting to the ...

If placed correctly, window fans can keep your home cool for a much lower cost than air conditioning. Here's how to make them most effective.

Outside of that, and the longer-than-normal installation process, the Midea U-Shaped Air Conditioner is an excellent way to cool your home while avoiding the usual pitfalls of traditional window ACs.

The window air conditioner is a dreaded summer staple in many homes. But one company is redefining how an AC functions by thinking outside the typical window box.

A version of this article appears in print on July 24, 2022, Section RE, Page 2 of the New York edition with the headline: Can I Force My Landlord to Install Window Boxes for Air-Conditioners?.