Most energy-efficient building uses thermal energy storage
The most energy-efficient building in the United States, according to the Department of Energy (DOE) and the Environmental Protection Agency (EPA), uses an Ice Bank® thermal energy storage system from Calmac Manufacturing Corp., Englewood, NJ.
The Centex Building at the International Center in Dallas, TX, has earned a score of 99 (out of a possible 100) in the EPA/DOE Energy Star Building rating system — the first building in the country to achieve that rank.