Efficiency by Baby Steps and Giant Bounds

Efficiency by Baby Steps and Giant Bounds

This post features concepts everyone can use to identify terrific savings opportunities, even if you did not take beloved calculus and thermodynamics. Let’s review a general hierarchy of typical energy efficiency families: 1. Shut it off 2. Slow it down, set it back...
Efficiency by Baby Steps and Giant Bounds

Is Energy Recovery Always Good? No.

Last week we introduced exergy and at least one application of it in a building. First, let me make something very clear, for the refrigeration cycle, if I’m cooling beer or freezing leftovers, the heat that is sucked out of those masses is rejected somewhere else....
Efficiency by Baby Steps and Giant Bounds

Exergy, Easy – Heavy Savings

Exergy is a sexy word (maybe only to energy nerds), but it represents a vital class of measures and opportunities as we sprint head-on into the game changer (cliché alert) that will be the post-gravy-train-of-lighting-retrofit-era of energy efficiency. Pay attention!...
Efficiency by Baby Steps and Giant Bounds

Climate Change – Surveys and Truth Telling

I have written rather popular articles on critical thinking and climate change in greenhouse gas basics, tribal views (non-critical thinking) on climate change, and others.  This week, I am going to bring the two together, with this article from the New York Times...