Around 78% of Americans are concerned about rising energy costs but staying in a cool environment shouldn't cost a worrisome amount -- especially during this heat wave. It's important to find a good, ...

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 ...

It goes without saying that, during the summer, a window air conditioner is an absolute must-have. Considering the massive heatwaves that sweep the country during the hotter months, a reliable window ...

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 ...

We've spent the last several months testing window air conditioners and portable air conditioners and found that while window units cooled rooms faster, it wasn't that much faster. It's true that ...

Sure, a quiet air conditioner is nice during the day, but it’s essential at night when you’re trying to sleep. That’s why, in addition to testing how well air conditioners cool a room, we also rate ...

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 ...