Residential Efficiency, Operations, and Maintenance

Residential Efficiency, Operations, and Maintenance

Last week, I received an email from the American Council for an Energy-Efficient Economy with the headline, Housing, Energy, and Consumer Groups Applaud Senate Opposition to Raising Energy Prices for Americans. “In a bipartisan vote today, the U.S. Senate rejected an...
Decoding Code Compliance, Part 2

Decoding Code Compliance, Part 2

In Part 1, we covered what energy code programs do and different ways of measuring code compliance. In this part, we will examine the steps needed to estimate program savings. Code adoption and compliance change over time. To estimate savings, we must consider the...
Decoding Code Compliance, Part 2

Decoding Code Compliance, Part 1

Building energy codes programs are a very cost-effective opportunity for energy savings and many utilities consider these programs the next frontier of energy efficiency. The potential savings from adopting more efficient building energy codes can be significant, but...
Specious Beliefs in Code Gods

Specious Beliefs in Code Gods

I received a lot of feedback on last week’s Code Compliance Villains, which described blunders that occurred as part of my high-efficiency boiler installation. Such mistakes would likely erode 50% of the estimated savings claimed in a deemed savings document....
Is Energy Recovery Always Good? No.

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....