150 Years to 10

Houses should last a very long time.  The Knap of Howar was built approximately fifty-five hundred years ago.  Pueblos in New Mexico were built over a thousand years ago.  Saltford Manor House, in Somerset, England was built sometime in the twelfth century and is still occupied!  These houses are built of extremely durable materials like stone or adobe.  But even the wooden houses built in … Continue reading 150 Years to 10

BPI Building Analyst and Envelope Professional Problems

I just taught a BPI Introduction to Building Science course last week that included both the information required for both Building Analyst and Envelope Professional.  There is an enormous amount of complex information included particularly for someone who may never have been in an attic or framed a house.  It’s all new from the second law of thermodynamics to R value to convection and boilers.  … Continue reading BPI Building Analyst and Envelope Professional Problems

Building Diagnostics and Infrared Cameras

Infrared photography for thermal analysis has changed dramatically in the last thirty years.  The cost of the cameras has dropped to the point where just about anyone can buy one.  But that doesn’t mean that anyone can understand the information they are providing.  I know someone who uses his infrared camera to find his dog when he lets him out at night! Most of the … Continue reading Building Diagnostics and Infrared Cameras