Q. I live in a condo that is heated and cooled by a water-source, electric heat pump. From what I understand, it’s an unusual system for a residential building. There is no outdoor space or even a ...

The Active Silencer™ duct is designed to help with noise control, while allowing heating and cooling units to work at their highest, most energy-efficient speeds, significantly reducing operating ...

Earlier this summer, a Silicon Valley startup called Dandelion was born out of Alphabet’s X Labs. Dandelion hoped to popularize an old and dusty, but energy-saving, technology—that is, ground-source ...