The reversible window system technology features two panes: one clear, airtight pane, and a smaller, tinted glass with an opening on top and bottom, which allows air to circulate between the panes.

Our top pick is the Genesis A1 Window Fan. Thanks to its accordion panels, it snugly fits into most window openings but can also be used as a free-standing fan via the included feet. We also like the ...

Ben-Gurion University of the Negev (BGU, Israel) researchers have developed a new, highly energy-efficient window technology, featuring two reversible panes that will save energy all year round in ...

If your home doesn’t have central air and installing a window unit isn’t feasible, there are a variety of other ways to stay cool and comfortable. The best air conditioner alternatives include ...

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