We may receive a commission on purchases made from links. A window air conditioner can be a lifesaver in a heatwave, but how do you install one in a horizontal sliding window? Most window air ...

As summer heat cranks up, so will AC usage. If you don't have the luxury of central air conditioning that cools your whole home, a more affordable fallback is a window AC unit that can keep smaller ...

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 ...