Here's when fans can help reduce cooling costs—and when they're just using extra electricity.

A new AC system may reduce your energy costs, but the savings depend on more than just the equipment you install.

Keep your home cool during extreme heat by avoiding these mistakes.

Repairing your AC can save you thousands of dollars, but only if you know when fixing it makes financial sense.

As a significant May heat wave pushes temperatures into the 90s — and beyond 100 degrees in some parts of the Northeast — many are looking for refuge from the heat. When it comes to choosing the air ...

From easy installation to whisper-quiet settings and new slashed prices, here are the top 5 window AC units, including picks from LC and Windmill, that bring a cooling breeze to any room, according to ...

Until recently, those of us without central air had to choose between sweltering humidity and loud, cold-inducing frigidity every summer. But the latest window air conditioners are capable of cooling ...

Room temperature can significantly impact sleep quality, especially if it is too hot or cold. While the optimal air conditioning (AC) temperature for sleeping is 65°F (18.3°C), this may vary slightly ...

Ginny Bartolone began writing DIY and home improvement guides nearly 10 years ago, covering everything from energy-efficient appliances to cracked foundations. Whether she's compiling cost information ...