by Jeff Ihnen | Aug 12, 2013 | Energy Efficiency, Energy Rant
This week’s rant is brought to you by Ryan Kroll, Michaels’ Program Evaluation Manager. Last week Ryan issued a Program Brief discussing 90/10 confidence and precision sampling that is the industry norm for energy efficiency program impact evaluation. The 90/10...
by Jeff Ihnen | Jul 22, 2013 | Energy Efficiency, Energy Rant
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...
by Jeff Ihnen | Jun 24, 2013 | Energy Efficiency, Energy Rant
Communication in our business of delivering energy efficiency services, reports, and projects, and in any organization for that matter, is almost always an issue. One thing never heard is, “I don’t want to know all that. Stop it.” Why? Because the receiver can hit...
by Jeff Ihnen | Jun 17, 2013 | Energy Efficiency, Energy Rant
I was reading this opinion piece by the Rolling Stones keyboardist and forestry nut, and it didn’t take long for an age-old rant topic to emerge. This one is about misguided allocation of resources, particularly for alternative fuels, to achieve desired ends. If an...
by Jeff Ihnen | Jun 11, 2013 | Energy Rant
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...