by Jeff Ihnen | Sep 9, 2013 | Energy Efficiency, Energy Rant
Okay boys and girls; this week features a slice of energy geek heaven spawned by this human/America whapping article from Clean Technica. The basis for the article, and this post, is Lawrence Livermore National Lab’s (LLNL) annual national energy use and efficiency...
by Jeff Ihnen | Aug 26, 2013 | Energy Efficiency, Energy Rant
As I mentioned in a LinkedIn post last week, this week’s Energy Rant involves an interesting article Why Homeowners Don’t Trust Energy Efficiency. The paper could also be tweaked a little and re-entitled, Why Customers Don’t Trust Energy Efficiency. Period. As...
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 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...