Although air conditioning units are generally subdivided into a number of categories, including window, split and whole house/building units, they still work the same, with the compressor, condenser ...

A new AC system may reduce your energy costs, but the savings depend on more than just the equipment you install.

Lee Wallender is a home improvement writer of nearly 20 years and specializes in home remodeling, repair and maintenance. Cassidy was an updates editor whose main responsibility is to write and edit ...

Why do window ACs actually need a window? On the surface, it feels unnecessary — after all, the unit is clearly designed to blow cold air from the front. Why can't you just set it on the floor like a ...

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As is the case for many people, my home cannot be retrofitted with central air. My 100-plus-year-old Brooklyn apartment, which features prominently in my seven years of air quality reporting for WIRED ...

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Living in a historic Pittsburgh home without central air, window units are not optional for my family. Since our 1904 home has radiator heat and no ductwork, I have used many window-unit and ...

NBC Selected independently determines what we cover and recommend. When you click on or buy through our links, we earn a commission. Learn more. Harry Rabinowitz Tech Reporter If you want fresh, cool ...

Few household problems create more frustrations or more sticker shock than a malfunctioning air conditioner. One day, your system is keeping your home comfortable without issue, and the next you're ...

The mercury is peaking, which means that it’s not only shorts weather, but also time to crank that AC. Unless you live in a place with central heating and cooling, you’ll likely need a window unit—you ...