Teaching Tips from Educational Researchers

  Converting Research to Suggestions Ruth Colvin Clark has spent much of her career in adult learning, reporting about research into which educational strategies work and which don’t. Her book Building Expertise is based on over two hundred research reports, as...

Uncomfortable, Energy-Wasting New Commercial Buildings

Neglectful Design I understand why developers and contractors want to build commercial buildings out of steel. For cost and flexibility of design, it’s hard to beat steal beams, girders, and studs. The design error is to overestimate the R-value you achieve with...

Passive Houses

What is a Passive House? The passive house concept was pioneered in the Northern U.S. and Canada in the late 1970s and early 1980s when it was called “superinsulation”. European builders have improved the superinsulation technology and applied it to both...

New York City: Lost but Really Moving

My Experience as a Trail Blazer My friends laugh when I make the well-worn announcement, “You won’t believe this, but I got lost.” I’m famous for losing my way and leading others with me in the wrong direction. Like the time I guided my sister Sue and three mutual...

Productivity, Unemployment, and Worker Education

Productivity and Unemployment: A Relationship Labor productivity is an index of economic output divided by labor input. This figure rises and falls several times a year and productivity often spikes at the same time that unemployment spikes. During a spike like this,...

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...

Hands-On Training: The Worst Can Happen

Bruce Manclark and I were training contractors in Pacific Power’s mobile-home weatherization program in a mobile-home court in Yakima, Washington during 1994. We were working on three mobile homes with about 30 participants; insulating, air-sealing, and performing...

Customers Pay for Everything

A Misunderstood Truth When I was six years old, my Dad’s business needed a new warehouse. While the workers built the building, I wondered how my Dad got the money to pay them so I asked. He said: “Son, our customers pay for everything.” That’s...

Ranking Window Treatments & Rethinking Storm Windows

Weatherization and home performance practitioners should reconsider the value of window treatments, especially storm windows. Early energy conservation programs overused storm windows and storms were subsequently banned from some weatherization programs because...