Old man’s fancy

In the fall an old man’s fancy lightly turns to thoughts of debugging HVAC systems.1 Unfortunately, not only in the fall. Now it’s the heating portion. A few Augusts ago, it was the cooling portion. The resources I found then will come in handy.


  1. With apologies to Alfred Lord Tennyson. 

Author: Brent Logan

Engineer. Lawyer. WordPress geek. Longboarder. Blood donor. Photographer. More about Brent.