Building owners considering an energy-efficiency upgrade now have a new tool to help them weigh their options and choose strategies that will optimize energy savings or target the biggest opportunities among a portfolio of buildings. NBI has released a beta version of a new web based software tool. The Retrofit Savings Estimator is a free resource that allows those interested to learn more about the energy performance of an existing building and evaluate the potential savings from a deep retrofit. This article was written by Alexi Miller, Senior Project Manager, and published in Retrofit Magazine. (10/1/2015) Read article