Heating, cooling, and humidifying air wasn’t new when Willis Carrier came on the scene. What was groundbreaking was the ...

To combat stickier weather, air conditioners need to go from cooling machines to humidity gulpers. THANE, India — In this tropical city, where humidity levels oscillate between muggy and oppressive ...

Desiccants that pull water out of the air could help cool buildings more efficiently A surprising set of materials could soon help make more efficient air conditioners that don’t overtax the ...