Federal renewable energy mandate prompts retrofits

All eight manufacturers in the U.S. Department of Energy’s Residential Cold Climate Heat Pump Challenge completed rigorous product field testing to demonstrate energy efficiency and improved performance in cold weather.

Northglenn, Colo., a Denver suburb, has opened the new Northglenn City Hall—a net zero, fully electric building with a mass timber structure. The 32,600-sf, $33.7 million building houses 60 city staffers. Designed by Anderson Mason Dale Architects, Northglenn City Hall is set to become the first municipal building in Colorado, and one of the first in the country, to achieve the Core certification: a green building rating system overseen by the International Living Future Institute.

A U.S. Dept. of Energy document discusses the benefits and challenges of thermal energy storage for commercial buildings. The document explains how the various types of thermal energy storage technologies work, where their installation is most beneficial, and some practical considerations around installations.

ENSO, a U.K.-based company that makes tires for electric vehicles, has announced plans to build the first carbon-neutral tire factory in the U.S. The $500 million ENSO technology campus will be powered entirely by renewable energy. The first-of-its-kind tire factory aims to be carbon neutral without purchased offsets, using carbon-neutral raw materials and building materials.