The Empire State Building - Sustainability & Energy Efficiency

The Empire State Building symbolizes America's limitless potential.

Today the building is undergoing a major sustainability retrofit to become a leading example of economic and environmental revitalization.

Consulting, design, and construction partners Clinton Climate Initiative, Johnson Controls Inc., Jones Lang LaSalle, and Rocky Mountain Institute

recently completed an eight-month modeling and analysis project which will save 38 percent of the building's energy and $4.4 million annually.

Creating a leading example for the design of commercial retrofits was at heart a learning experience for the team.  In the process of developing specific project recommendations, the team uncovered several key lessons for the retrofit of large multi-tenant commercial office buildings.