It's debated whether the AC should stay on or be turned off when people leave during the day. Here are some things to ...

A new light-based method lets tiny quantum dots release perfectly controlled photons, opening doors to faster and cheaper ...

Some swear that turning off the AC when they’re gone for a few hours is the most energy-efficient, costing-saving method.

Having air conditioning at home is a luxury that keeps people comfortable during the hottest months of the year, and it’s ...