Impact Evaluation Confidence and Precision – Fluffy Illusions or Autopsies

Energy Efficiency in the USA

Over the weekend I was reading this white paper by ACEEE, and as almost always, a number of responses came to mind. With the passing of years I observe that as people age, they fall into perhaps three categories: (1) the curmudgeons  – the glass is ¾ empty and...
Impact Evaluation Confidence and Precision – Fluffy Illusions or Autopsies

Duct Leakage Chaff

Duct Leakage Chaff Due to duct leakage, only 57% of heat generated in a home furnace is delivered to conditioned spaces. OMG! Run for your lives. Big deal. Where the “Only 57%” Claim Comes From I have overheard conversations at conferences and other...