[Greenbuilding] Insulate the ENTIRE hot water line? :-)

[Nick Pine]

>I wonder which green certification systems require insulating the entire 
>hot water line, and why.

Perhaps these systems are heavily supported by pipe insulation 
manufacturers, like SBIC with its heavy support from the masonry industry 
and guidelines requiring lots of sunspace masonry, which raises costs and 
cripples performance.

Nick