Answers By Ian MacLeod

Is it possible to combine solar thermal collectors with a hot water on-demand system?

— Francoise LaMonica, Newton, MA

Answered by Ian MacLeod on February 5, 2009

What is the safest and most effective insulation for our attic crawl space?

— Alison Rockwell, Boulder, CO

Answered by Ian MacLeod on February 5, 2009