While air conditioning protects people from dangerous heat, it also significantly worsens global warming—by 2050, potentially ...

Heat pumps are hot. And when the need arises, they’re pretty cold, too. These high-efficiency electric fixtures heat and cool using your home’s existing ductwork. That means they can replace a ...

This article explains how seasonal changes in ventilation, humidity, and indoor pollutants affect cough, allergies, asthma ...