air conditioning

ChatGPT generated image of Masdar City’s streetscape where district cooling and architectural design reduce heat stress in one of the hottest regions on Earth

Underground Heat, Urban Cool: The Physics & Promise of Geothermal Cooling

Cooling in the Persian Gulf is one of the hardest energy challenges anywhere on the planet. Air conditioning is not a luxury in the United Arab Emirates but a necessity, and it consumes as much as 70% of the country’s electricity. That reality has made Masdar City, the experimental urban … [continued]

Image courtesy of Mitsubishi.

What Are Heat Pump Air Conditioners?

The world recently experienced its hottest month on record. And with climate change fueling increasingly routine heat waves across the map, leaving a worrisome trail of health emergencies and deaths, keeping cool is a matter of health and safety like never before. Shoppers considering buying a new air conditioner—whether that’s … [continued]

Bringing Energy-Efficient Building Technologies Closer to Commercialization

The U.S. Department of Energy (DOE) is accelerating emerging technologies from lab to market through its Technology Commercialization Fund (TCF). With an overarching goal to increase the number of commercialized energy technologies developed at national laboratories, the TCF Program awarded funding to support two NREL Buildings projects. Because buildings use 75% … [continued]