A heat pump heats and cools your home, functioning like a combined furnace and central air conditioner. Because it absorbs and moves heat from the air, it is exceptionally energy-efficient and ...

Refilling a bottle instead of throwing it away has become a popular way for people to reduce waste — a small, tangible action in response to larger environmental problems.

Whether you're a tech junkie or a casual user who's seen every era of computing, you likely have plenty of old tech ephemera in your home. Maybe it's a desk drawer or closet (or even a tote) filled ...