WHY SAVE ENERGY?

Why Many Choose to Conserve Energy

• Climate change
• Protect and preserve the environment
• Moral principles
• Because energy is getting expensive
• Because laws, regulations, and codes are forcing me to…
• Because conservation brings down prices

The Progression of Energy Technology

• Wood, animal fats (tallow, whale oil)
• Coal
• Oil, gasoline
• Nuclear fuel
• Solar photovoltaic, wind, and hydro-electric
• Every transition has been marked by optimistic projections…

• Energy production and use account for nearly 80% of air pollution, more than 88% of greenhouse gas emissions, and more environmental damage than any other human activity.
• Residential & Commercial Buildings in the United States are responsible for:
• 74.5% of electricity consumption
• 50.1% of total energy flows
• 49.1% of CO2 emissions
• 50% of the CFC emissions

Overall, energy consumption by the building sector continues to increase.