This study, funded by the New York State Energy Research and Development Authority (NYSERDA) and performed by Performance Systems Development, identified the underlying causes for over-estimation [...]
Earth Day is a yearly reminder of why each of us is personally invested in the effort to reduce energy consumption. We want to thank every one of our clients and program participants in helping [...]
Emelie Cuppernell, Manager of Provider Services for Performance Systems Development (PSD), has been elected as the President of the Northeast Home Energy Rating System (NEHERS) Alliance 2015 [...]