Hydronic Radiant Floor Heating Retrofits

by

In his book Your Green Home, Alex Wilson refers to radiant floors as "a great heating option for a poorly designed house." He goes on to explain that the heating requirements of an extremely well-insulated home with a properly airtight envelope, even in most cold climates, will most likely result in an overheated house if the radiant floor is warm enough to actually feel warm underfoot — which is the main selling point of these systems.

Read more »

Will the New List of LEED Innovation Points Lead to Greener Buildings — or Just More Points?

by
Innovation point for the Hearst Tower in New York: reduced steel in the structure.
In the first few years of LEED, you could count the Platinum-rated buildings on one hand. Now it's hard to keep up with the announcements. There are several reasons for this evolution — more experienced project teams making better buildings, and more buildings going through LEED in general, for example.
Read more »