by Jeff Ihnen | Dec 14, 2021 | Energy Rant
I introduced exergy to readers 4.5 years ago, had a refresher on it for industrial decarbonization earlier this year, and it is part of our decarbonization training course that is frontrunning AESP’s annual conference in Nashville on February 7th. Decarb Course...
by Jeff Ihnen | Dec 3, 2018 | Energy Rant
As children, some engineers liked to take things apart to see how they worked – and maybe even put them back together. That was too much work for me, but I was curious. I would intently watch my Mom as she accelerated the 1970s Ford Galaxy 500[1] down the road. What...
by Jeff Ihnen | Jun 1, 2015 | Energy Rant
Everyone has probably heard at least one hundred or maybe a thousand light bulb jokes – the ones that disparage a class, gender, group, country, state, generation, etc. The point is to make fun of the group in question because changing a light bulb is so simple, but...
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 | Mar 23, 2015 | Energy Rant
This article, Americans could pay more for clean energy. But will they really?, from Utility Dive reminds me of my own life experiences with squirrelly people. They talk a good game, but where is the action? It also reminds me of the folly in precise net-to-gross,...
