The terms water meters and flow meters can be used interchangeably, but there is a key difference between them. Whilst all water meters are flow meters, not all flow meters are water meters. Commonly ...

Scientists cooled water without electricity by sending excess heat where it won't be noticed -- space. The specialized optical surfaces they developed are a major step toward applying this technology ...

When troubleshooting HVAC systems or designing new installations, engineers should follow these essential steps, regardless of whether they work for consulting firms or mechanical contractors. The ...

Illustration by Sarah Cheney. Imagine a home in which the temperature is always comfortable, yet the heating and cooling system is out of sight. That system performs efficiently but doesn’t require ...