by Jeff Ihnen | Jul 24, 2017 | Energy Rant
Thank you to Mike Frischmann (our Director of Evaluation Engineering) for contributing to this week’s Rant. Eight hundred pound gorilla alert! Energy efficiency program evaluation “best practices” need a big overhaul. I am not talking about best practices for doing...
by Jeff Ihnen | Aug 17, 2015 | Energy Rant
This post is brought to you by the International Energy Program Evaluation Conference (IEPEC), circa 19, er 2015. I moderated one session featuring four great papers and presentations concerning residential space heating and cooling. I also observed one concurrent...
by Jeff Ihnen | Apr 20, 2015 | Energy Rant
About two years ago, I wrote Duct Leakage Chaff, which explained that residential duct leakage is a mole hill, a red herring, a boogeyman. I recently reviewed a report[1] that nails my assertions from June 2013. The program evaluation (residential HVAC tune-up) was...
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 23, 2012 | Energy Rant
It has been a while since I’ve written anything about programs, so here it goes. Program evaluation provides about half our business, and much of that is verifying gross savings estimates, which are simply the original program-claimed savings. Verifying custom...
