Design in Series; Operate in Parallel

Design in Series; Operate in Parallel

Last week we revealed the five priorities of saving energy: Shut it off Slow it down, set it back (temperature, etc.) Reduce waste Retrofit or replace with efficient equipment Don’t be stupid Speaking of don’t be stupid, if you didn’t read last week’s post… In this...
Design in Series; Operate in Parallel

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...
Design in Series; Operate in Parallel

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....