Hub: Building Innovation
AWHI News: Central heat pump water heaters can act as massive hot water batteries, meetings, webinars, and more
News / March 1, 2023
Pilot project in Seattle shows central heat pump water heaters can act as massive hot water batteries that help reduce carbon emissions Central heat pump water heaters (CHPWHs) present a tremendous opportunity to reduce the substantial energy used for water...
Electrification On the Rise in the Southwest U.S.
News / February 1, 2023
Published by Green Builder: With 2023 off to a flying start, this new year is an opportunity for the building industry to act on the benefits of heat pump technology for space and water heating in cold climates–especially in the...
AWHI News: webinar, IRA resources, supporting members, meetings, call for photos, and more
News / January 17, 2023
Join us for a webinar tomorrow on tankless gas water heaters and their infamous methane puff AWHI will participate in an Electrify Now webinar about tankless gas water heaters tomorrow (Wednesday, January 18), from 12:00 – 1:30 pm PST. There...

Central Heat Pump Water Heaters for Multifamily Supply Side Assessment Study
Report / January 10, 2023
The Northwest Energy Efficiency Alliance (NEEA) contracted with New Buildings Institute (NBI) in January 2021 to conduct research and outreach to better understand the current landscape of central heat pump water heater (HPWH) adoption in multifamily buildings. Research objectives included…
Podcast: Carrots and Sticks in Hot Water – Role of Codes and Policy in Market Transformation
News / December 30, 2022
In the third episode of our series of NBI staff discussing papers presented at the 2022 ACEEE Summer Study, we talk with Senior Project Manager, Amruta Khanolkar, about the role of building codes in the market transformation of the heat...
Sonoma Clean Power’s new Santa Rosa headquarters named Best North Bay Sustainability Project
News / December 16, 2022
Published by North Bay Business Journal: Sonoma Clean Power unveiled its new all-electric headquarters in September. As the world’s first “GridOptimal” building, certified by the New Buildings Institute and the U.S. Green Building Council, it features an innovative microgrid that...
Advanced Water Heating Initiative December 2022 Newsletter
News / December 5, 2022
The latest newsletter from the Advanced Water Heating Initiative (AWHI) features information on a California study testing 120-V HPWH technology, a recap of Heat Pump Water Heater (HPWH) Day, a funding opportunity from DOE, upcoming stakeholder meetings, webinars, resources, news, and...
The retrofitting strategy behind Sonoma Clean Power’s all-electric headquarters
News / November 28, 2022
Published by GreenBiz: Sonoma Clean Power, a community-owned electricity provider for California’s Sonoma and Mendocino counties, is the owner of a unique carbon neutral, 15,330-square-foot headquarters in Santa Rosa, California. Perhaps the most innovative feature of all is the headquarter’s...
District explores electric buses
News / November 16, 2022
Published by Columbia Gorge News: Superintendent Rich Polkinghorn began with an exciting update at the Oct. 26 Hood River County School District school board meeting: The potential for electric buses and necessary infrastructure in the next few years. New Building...
A Public Building That Can Decarbonize Santa Rosa’s Electric Grid
News / November 1, 2022
Published by Next City: Two years ago, the energy company Sonoma Clean Power set out to renovate a 1979 structure in Santa Rosa, California, for its new headquarters. The building had long been powered by natural gas. The vision for...