The best window AC units of 2026 are both powerful and energy-efficient. Our top five picks include quiet models from LG, ...

Why air-conditioning is the wrong climate villain. I’ll admit that I’ve rarely hesitated to point an accusing finger at air-conditioning. I’ve outlined in many stories and newsletters that AC is a ...

You probably don’t spend much time thinking about the compressor in your air conditioner, at least as long as it’s pumping out cool air. But if you’re in the market for a new window AC this season, ...

This past July was the hottest recorded month in human history. Heat waves smashed temperature records worldwide and even brought summer temperatures to Chile and Argentina during the Southern ...

Forget data centers—cooling is the real beast in energy demand. Things are starting to warm up here in the New York City area, and it’s got me thinking once again about something that people aren’t ...

In many parts of the world, the cool blast of an air-conditioner on a hot day is nowadays seen as a luxury rather than a necessity. Climate change is tipping the balance. Average global temperatures ...

The Chinese bus company couldn’t work it out. Some days when its buses merely crawled along Shanghai’s streets, their power consumption would go through the roof. The reason why was a mystery. So, a ...

Over this scorching hot Fourth of July, millions of Americans from California to Louisiana will put their air conditioning into overdrive. Who could blame them? AC can be a matter of life and death.

High temperatures in India are prompting many to set their air conditioners to extremely low settings, often around 16°C to ...