This saddle-style air conditioner preserved my window view and cooled a 300-square-foot bedroom quickly.

Find out how to keep a home with casement windows cool this summer—even with portable ACs that require a little extra rigging ...

A room air conditioner can make a sweltering space comfortable again, especially in older homes, apartments, and additions where central air falls short. The bigger challenge is choosing between a ...

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 ...