Compact heat pumps that slot into windows could be a planet-friendly way to efficiently heat and cool apartment buildings without breaking the bank, experts say.

Summer is here and as temperatures heat up staying cool is on everyone’s minds. If you don’t have central air conditioning in your home, a window unit can be a real life saver. Brian Borges and John ...

If you don’t have central air and are in the market for an air conditioner, you’ve probably been debating which style would work best for your home or apartment. While both portable and window air ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Summer can either be something to endure or something to enjoy, depending on your perspective. But either ...

Erin Gobler is a personal finance writer based in Madison, Wisconsin. She writes about topics including budgeting, student loans, credit, mortgages, investing and insurance. Her work has been ...

It’s hot out. Like seriously hot. So we’ve been testing models of both portable and window air conditioners and poring over energy efficiency ratings to find promising units that can drop the ...

The best way to cool a room fast is with a window-mounted or portable air conditioner, but smart air conditioners make it even easier to enjoy comfy temps anytime you need it. “The most useful thing ...

There is no need to suffer through summer heat when inexpensive, energy-efficient air conditioners are widely available. Since October 26, 2015, all ENERGY STAR rated room air conditioners have been ...