ASHRAE 62.2-2013 Confusion

We’ve been dealing with the ASHRAE ventilation standard for a while. 62-89 goes way back. We used that one for a long time, and it worked well enough. After we taught our students how to use 62-89, they could understand it and implement it. Then came 62.2. We...

Energy Standards: Common sense Basics

Our Current Energy Standards-Making Process Engineers and other contributors often write national energy standards, or change them without a clear idea of the desired benefits or the unintended consequences. The process of updating standards resembles software...

Superinsulation Retrofit: What’s it Going to Cost?

I’ve done three superinsulation retrofits. The cost range is somewhere in the range of $35 to $70 per square foot of conditioned floor space. The best opportunity for a superinsulation retrofit is when you’re remodeling or renovating a home.    ...

ASHRAE 62.2 Ventilation Standard

The American Society of Heating Refrigeration and Air-Conditioning Engineers (ASHRAE) published its current ventilation standard, 62.2-2010 in 2010. The standard has been controversial when applied to existing homes, especially in the Department of Energy’s...