If you’re a homeowner, you’re always looking to keep your energy costs down, ideally in a way that’s environmentally friendly. And if you were also able to get federal tax credits and cash rebates for ...

This article was originally featured in Knowable. It was an engineering problem that had bugged Zhibin Yu for years — but now he had the perfect chance to fix it. Stuck at home during the first UK ...

Imagine you have a natural stream running through a low-lying area on your farm. It’s a great source of fresh water, only you really need it to irrigate some crops sitting at a higher elevation. The ...

Heat pumps offer a more efficient way to keep homes warm in winter and have been touted as a key technology in the fight against climate change. Sales of the machines in Europe grew to 3 million units ...

A hydraulic ram is a clever device invented over 200 years ago that can pump water uphill with no other external source of power except for the water flowing into it and there is a way to take ...

What's the difference between warm air and cool air? In fact, what does “temperature” even mean? It's stranger than you think. At a basic level, if you increase the temperature of air, you increase ...

The highly efficient devices are the darlings of the environmental movement. Here’s why. By Hilary Howard Heat pumps, which both warm and cool buildings and are powered by electricity, have been ...

Heat pumps could help address climate change and save you money. Here’s how they work. MIT Technology Review Explains: Let our writers untangle the complex, messy world of technology to help you ...