heating

Green tech finds: Cool tech, cold tech

Article: Green tech finds: Cool tech, cold tech

Just because we’re all trying to stay warm right now doesn’t mean that some techies aren’t thinking about cold – or at least cool. From climate-friendly freezers to arguments for space heating, we’ve got what’s cool – and what’s cold.

Harvesting human body heat in Sweden

Article: Harvesting human body heat in Sweden

Ever noticed how warm it gets when you’re in a closed-in space with a lot of people? Yeah, could be anxiety from claustrophobia… but, more likely, you’re noticing how much heat our bodies give off in the course of normal events. It turns out that heat can be harvested with century-old technology… and create significant energy savings.

Bring efficiency home: save energy and money with easy changes around the house

Article: Bring efficiency home: save energy and money with easy changes around the house

Could you use an extra $475 a year? According to the US Department of Energy, that’s the amount the average American family could save on energy bills by implementing long-term energy efficiency changes in their home. You don’t have to start with big purchases, though: all of us can cut our energy usage (and utility bills) with some common-sense practices.