by Jeff Ihnen | Apr 21, 2026 | Energy Rant
Last week, I dived into the characteristics and selection factors of air compressors, focusing on full-load and part-load efficiencies. This week, I will round out my assessment of savings opportunities for compressed air systems. First, I will define a couple of...
by Jeff Ihnen | Apr 15, 2026 | Energy Rant
After taking a detour from industrial efficiency in posts one and two to evaluate electricity prices and the blame game hung around data centers like the scarlet letter, we’re moving on to the top ten list of industrial energy efficiency targets. For reference, the...
by Jeff Ihnen | Aug 16, 2022 | Energy Rant
Last week I couldn’t resist responding to the ISO New England’s report, 2021 Economic Study: Future Grid Reliability Study Phase 1 because it paralleled what I wrote a couple of weeks earlier in Electrification At Scale. This week, we’re back to better than best...
by Jeff Ihnen | Sep 24, 2019 | Energy Rant
Two weeks ago, in Natural Gas Savings – Traps and H Vacs we looked at some basic natural-gas-saving measures. The post was wildly popular, and I had a good time, so let’s do it again! We compared some aspects of natural gas end-uses and waste that compare to...
by Jeff Ihnen | Feb 13, 2012 | Energy Rant
True or false: It’s easier to teach Pablo Picasso how to paint a house than it is to make a house painter into a Picasso-grade painter/artist. For the answer, keep reading. I was sitting in a session at last week’s AESP conference sipping my weak overpriced Starbucks...