The ventilation roller coaster
You might think the current ASHRAE 62.2 Standard is very controversial and the ventilation rate is fixed. A quick look at the history of ventilation indicates the current disagreement over … Read more
Codes and Compliance
Airtightness testing and the 2009 and 2012 IECC
The adoption of residential building codes that require more energy efficiency is one of the most exciting developments in state energy policy during the past four years. Over 30 states have now adopted codes that meet or exceed the … Read more
