Go for the low hanging fruit. Professional buildings and skyscrapers offer the greatest amount of surface area and the most obvious cost reduction savings to management firms.
The only things holding them back are there are no proven examples to show empirical evidence i.e. testimonials backed up by utility bills.
Without test structures and no government incentives to be the first guinea pig, WNDW is between a rock and a hard place. It's the chicken and egg thing.
News 
Market Data 
Discover 
