NEW YORK (AP) — When a heat wave hits, millions of air conditioners switch on at once, straining the electric grid and driving up the risk of outages — and residents’ power bills. To ease that strain, ...

Willis Haviland Carrier designed and launched the first-ever air conditioning system in July 1902. For its time, it was an absolutely revolutionary innovation in technology that fundamentally changed ...

Energy-saving AC units can help reduce both your home's temperature and your electricity bill. Our top choice does that while looking great, too.

SCRANTON — A new space at Johnson College will give students room for hands-on experience on electrical, heating and air-conditioning equipment that will prepare them for careers outside the classroom ...

From quick fixes to new ways of designing our homes, we’re examining better ways to keep comfortable on a warming planet. A green roof covers a building in New York City. Roofs covered in gardens and ...

This is read by an automated voice. Please report any issues or inconsistencies here. NEW YORK — When a heat wave hits, millions of air conditioners switch on at once, straining the electric grid and ...