Energy Efficiency

Downtown Denver features many buildings with glass facades. Researchers from NREL say retrofitting these windows with thermochromic ones can improve energy efficiency across all climate zones in the United States. Photo by Dennis Schroeder, NREL.

Towards Realizing Eco-Friendly & High-Performance Thermoelectric Materials

In a new study, environmentally benign inverse-perovskites with high energy conversion efficiency have been reported by Tokyo Tech scientists with potential for practical application as thermoelectric materials (TEMs). Addressing the limitations typically faced with TEMs, such as insufficient energy conversion efficiency and environmental toxicity due to heavy elements, the new … [continued]

Leading Heat Pump Manufacturers Successfully Develop Next-Generation Prototypes to Withstand Subfreezing Weather

With DOE Support, Four Additional Industry Partners Enter Next Phase of Residential Cold Climate Heat Pump Challenge WASHINGTON, D.C. — The U.S. Department of Energy (DOE) today announced that four additional heat pump manufacturers successfully produced heat pump prototypes as part of the Residential Cold Climate Heat Pump (CCHP) Technology … [continued]