Residential Energy Savings Potential in Better Walls

This article was originally published on on Oct. 31, 2019. Researchers at Pacific Northwest National Laboratory (PNNL) are leading an effort that ultimately could result in residential homes that are tighter and better insulated, blocking cold air and moisture that cause higher energy bills and reduce homeowner comfort. PNNL is joined in the three-year […]


A Benchmarking Head-Scratcher: Is Older Better?

Patrick Hewlett for Zondits, March 31, 2015 New York City’s Local Law 87 reveals top performers and savings potential—and some surprises. Introduced in 2009, New York City’s Local Law 87 (LL87) requires that all residential, commercial, and municipal buildings exceeding 50,000 square feet undergo an energy audit and retro-commissioning study every 10 years. This legislation […]