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.

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 ...

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 ...

Most cooling technology in use relies on vapor-compression technology, which circulates chemical refrigerants through a compressor. “The cooling sector has historically been very risk-averse,” said ...

Air conditioning has become an essential part of modern life, but its environmental impact is significant. Traditional cooling systems, largely unchanged since their invention in 1902, contribute ...

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 ...

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 ...

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, ...

On May 25, 2026, Arsenal football legend Robert Pirès visited the TCL Air Conditioner Guangzhou Smart Manufacturing Base, embarking on a futuristic factory tour. Having produced 100 million air ...

We got our hands on multiple units and looked for models that are quiet, energy-efficient, and easy to install.