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A reliable air conditioner is a must-have on hot summer days. Simpler and (much!) cheaper to install than an HVAC system, a window-mounted unit is one of the easiest and affordable ways to effectively ...

Size matters when you’re buying a window air conditioner. An air conditioner that’s too small will struggle to keep a room at a comfortable temperature. A model that’s too big will cool a room too ...

Erin Gobler is a personal finance writer based in Madison, Wisconsin. She writes about topics including budgeting, student loans, credit, mortgages, investing and insurance. Her work has been ...

If you've ever installed a window air conditioner, you know it's a hassle. These beasts can weigh over 100 pounds, and there's always the fear it could fall out and squash someone below. You may be ...

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 ...

While looking at our choices below, it is necessary to keep in mind that most window AC's have multiple sizes and BTUs to fit your needs and square footage. Scroll to the bottom of this article for ...

For those of us without central air, a window air conditioner is the next best thing for keeping cool during the scorching hot summer months. There are hundreds of models to choose from though, which ...