Building efficiency must be considered as improving the performance of a complex system designed to provide occupants with a comfortable, safe, and attractive living and working environment. This requires superior architecture and engineering designs, quality construction practices, and intelligent operation of the structures.

The buildings sector accounts for about 76%* of electricity use and 40% of all U.S. primary energy use and associated greenhouse gas (GHG) emissions, making it essential to reduce energy consumption in buildings in order to meet national energy and environmental challenges and to reduce costs to building owners and tenants. The major areas of energy consumption in buildings are heating, ventilation, and air conditioning; lighting, major appliances (water heating, refrigerators and freezers, dryers); and a significant fraction remaining in miscellaneous areas including electronics. In each case there are opportunities both for improving the performance of system components and improving the way they are controlled as a part of integrated building systems. Energy-efficient buildings also reduce indoor air pollution because they offer cleaner combustion and better ventilation than traditional buildings. And because they use less energy, they also curb outdoor pollution by reducing the fossil fuel pollution created by power generation and greenhouse gas emissions.

While 70 percent of the earth is covered in water, just 2 percent is fresh water.  Global water usage continues to increase at 2X rate of population growth.  Water isn’t a limitless resource. Unquestionably, the world is thirsty for water management and the key to achieve it is with active water efficiency and conservation practices in the buildings we live and work in, and in our daily lifestyles too. Water efficiency is the responsible use of fresh water and reducing the overall usage of water and minimizing wastewater. It also points toward using improved practices and technologies which deliver equal or better life service with reduced water consumption.


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