Building 661 Retrofit Upgrade Tags: Demonstration | Integration Type: Presentations Publication Title: Building 661 Retrofit Upgrade Consortium Member(s): The Pennsylvania State University,United Technologies Research Center (UTRC) Project Contact: CBEI Date: May 03, 2011 An early presentation of the goals for the Building 661 retrofit into the CBEI headquarters. Related Posts Showcasing Energy Efficiency Products Integrated Technology Research Roadmap