by Jeff Ihnen | May 12, 2026 | Energy Rant
In this week’s post on industrial efficiency, we are finishing out measure family number seven: process heating. Last week, we covered low and medium-temperature process heating, from heat pumps to natural gas boilers. This week, we’re rounding it out with...
by Jeff Ihnen | May 5, 2026 | Energy Rant
Moving on with our top ten list of industrial energy efficiency and load management categories, this week we are tackling process heating – #7 on the list. Note that these are ranked by typical adoption, with the most sophisticated operators deep into this list....
by Jeff Ihnen | Feb 8, 2022 | Energy Rant
In case you missed last week’s post, you’ll need to go back and review the setup for this week’s demonstration of code challenges and mistakes. To summarize, I have an installed ENERGY STAR-qualifying 95% AFUE[1] (efficient) boiler with a brazed plate heat exchanger,...
by Jeff Ihnen | Feb 1, 2022 | Energy Rant
Over the last forty years, computers have become orders of magnitude more powerful while they have become much easier to use. When I was in college, mainframe IBM computers owned all the muscle of computations. I was terrified of coding and wanted nothing to do with...
by Jeff Ihnen | Jul 30, 2012 | Energy Efficiency, Energy Rant
Rant fans are getting a break this week. This post exemplifies a smashing success in energy efficiency and is a bit of a spinoff on capitalizing energy efficiency as I discussed in Facility Management, Taliban Style and Better than Doritos. The story begins with a...
