Downloads
All material copyright David White. These are free for all to use, but none may charge money for them.
Insulation Global Warming Potential Calculator
More insulation is generally better for combating climate change, but not always. Some insulations have high embodied energy, and heating systems and fuels are getting cleaner. Most influential is that some foam insulations have an extremely high embodied GWP due to the blowing agents used. This calculator will help you understand the GWP implications of insulation choices. The Excel file is locked to make it safe from accidental errors. If you want to unlock it, the password is "unlock."
An Indoor Air Quality Guide for my Friends in LA
I wrote this for my friends in Los Angeles, but wherever you are, you may find it useful. If this document leaves you with any questions, please don't hesitate to ask me. Indoor air quality affects our health and especially the health of our children. Scientists have good evidence that it influences infectious disease and other serious health events such as stroke. Remarkably, it also affects our thinking, which means better air quality might help our children grow, and help us grow as parents.