Energy Efficiency: Window & Wall Ratings

The big secret regarding energy efficiency in healthcare facilities is window glass, which compared to insulated walls and ceilings, is a terrible energy loser. While we expect that energy-conserving walls and ceilings will dramatically insulate against heat loss and block direct solar radiation, knowledgeable facility managers and project developers anticipate far less in the way of energy conservation from even the most energy-efficient windows.
 
The numbers speak for themselves.

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