Sustainability is a global issue and shall be managed with globe vision. Green Building (GB) certifications as part of sustainability measures provide useful guidelines on internal hypothetical boundary quality and environmental protection. Subject of Energy and Atmosphere (EA) has major impact on TREES(4hr LEED(5)green building accreditation. ASHRAE standards 90.1<1 provide guidelines for energy efficiency. Applications of EA measures could also be innovations. EA could be measured by carbon fooltprint reduction from energy savings. Management use of refrigerant is important to minimize impact of global warming potential/ozone depletion potential.