The Miraculous Properties of Cellulose Insulation

Cellulose the Air Barrier According to some experts in our industry, cellulose insulation has truly miraculous powers. Many years ago we noticed that blower-door readings dropped significantly after we dense-packed the walls of an existing home with cellulose...

What is an Energy Auditor?

I am not an energy auditor. I have never worked as an energy auditor, nor do I have enough of the technical knowledge that would allow me to be one if I wanted to. But I have worked for two companies in my illustrious career that employed or trained energy auditors,...

Selling Energy Expertise

A company called Energetechs in Missoula Montana sells energy expertise with energy products. This must be a good strategy because they’ve been in business for over 25 years. The company was formed by Gary and Gregg Mazade and was sold to Russ Hellem some years ago....

The Mystery of Air Leakage

Air leakage causes curiously high heating and cooling costs in buildings that are supposed to be energy-efficient. This shouldn’t be a mystery. You can’t achieve airtightness without trying. Airtightness has never been a goal of the building construction industry, and...