Late last year I began to roll my own heating control system, and I spent a little time writing an article about it. I just wanted to see if anyone has any comments, thoughts or suggestions....
http://docs.google.com/View?docid=dd8r2tb7_2gv37f6
I believe that it is saving us oil, although I can't prove that, and it certainly is a lot more flexible than the old system was, a big hit with SWMBO
Regards
Simon