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  2. House Energy Rating - Wikipedia

    en.wikipedia.org/wiki/House_energy_rating

    The House Energy Rating (HER) or House Energy Rating Scheme (HERS) are worldwide standard measures of comparison by which one can evaluate the energy efficiency of a new or an existing building. The comparison is generally done for energy requirements for heating and cooling of indoor space. The energy is the main criterion considered by any ...

  3. Renewable energy - Wikipedia

    en.wikipedia.org/wiki/Renewable_energy

    As an energy source, biomass can either be used directly via combustion to produce heat, or converted to a more energy-dense biofuel like ethanol. Wood is the most significant biomass energy source as of 2012 [103] and is usually sourced from a trees cleared for silvicultural reasons or fire prevention.

  4. Efficient energy use - Wikipedia

    en.wikipedia.org/wiki/Efficient_energy_use

    Common energy efficiency label on appliances to indicate their energy efficiency in a clear manner. Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many technologies and methods available that are more energy efficient than conventional systems.

  5. An Investor’s Guide to Evaluating Energy ... - AOL

    www.aol.com/news/investor-guide-evaluating...

    Indexing and marketing intelligence firm Alerian has put together a list of key criteria investors can use to evaluate companies working within the energy infrastructure sector.

  6. Energy hierarchy - Wikipedia

    en.wikipedia.org/wiki/Energy_hierarchy

    The lowest priority under the energy hierarchy is energy production using unsustainables sources, such as unabated fossil fuels. Some also place nuclear energy in this category, rather than the one above, because of the required management/storage of highly hazardous radioactive waste over extremely long (hundreds of thousands of years or more ...

  7. Energy audit - Wikipedia

    en.wikipedia.org/wiki/Energy_audit

    The term energy audit is commonly used to describe a broad spectrum of energy studies ranging from a quick walk-through of a facility to identify major problem areas to a comprehensive analysis of the implications of alternative energy efficiency measures sufficient to satisfy the financial criteria of sophisticated investors.

  8. 7 Tips for Having More Energy - AOL

    www.aol.com/lifestyle/7-tips-having-more-energy...

    5. Stay Hydrated. Staying hydrated is essential for keeping your body and mind feeling energized. Water plays a critical role in many bodily functions, including transporting oxygen and building ...

  9. Sustainability measurement - Wikipedia

    en.wikipedia.org/wiki/Sustainability_measurement

    Many sources of energy, such as fission, solar, wind, and coal, are not subject to the same near-term supply restrictions that oil is. Accordingly, even an oil source with an EROEI of 0.5 can be usefully exploited if the energy required to produce that oil comes from a cheap and plentiful energy source.