If you're looking to keep a small room cool in even the hottest months of the year, Consumer Reports recommends trying this ...

If you want fresh, cool air without the stress of a window AC installation, a portable air conditioner can be a great solution. Think of these appliances as AC units on wheels, able to cool a single ...

Split AC vs Window AC: Compare price, cooling, power use and more to find which AC suits your room size, budget and long-term ...

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 ...