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  2. Home Energy Rating - Wikipedia

    en.wikipedia.org/wiki/Home_Energy_Rating

    The Home Energy Rating is an American estimated measurement of a home's energy efficiency based on normalized modified end-use loads (nMEULs). [1] In the United States, the Residential Energy Services Network (RESNET) is responsible for creation and maintenance of the RESNET Mortgage Industry National Home Energy Rating Standards (MINHERS), a proprietary system of standards, [2] which includes ...

  3. Efficient energy use - Wikipedia

    en.wikipedia.org/wiki/Efficient_energy_use

    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. For example, insulating a building allows it to use less heating and cooling energy while still ...

  4. Energy in the United States - Wikipedia

    en.wikipedia.org/wiki/Energy_in_the_United_States

    The United States is the world's second-largest producer of energy. It produces 16% of the world's energy, about three-fourths as much as China. [ 3 ] Since 2019, the country has been a net exporter of energy. In 2021, 97.8 quads were produced and net exports were 3.9% of production.

  5. Energy performance certificate - Wikipedia

    en.wikipedia.org/wiki/Energy_performance_certificate

    Energy performance certificates (EPCs) are a rating scheme to summarise the energy efficiency of buildings. [4][5] The building is given a rating between A (Very efficient) - G (Inefficient). The EPC will also include tips about the most cost-effective ways to improve the home energy rating. Energy performance certificates are used in many ...

  6. Energy Performance Certificate (United Kingdom) - Wikipedia

    en.wikipedia.org/wiki/Energy_Performance...

    Energy performance certificates (EPCs) are a rating scheme to summarise the energy efficiency of buildings. [1][2] The building is given a rating between A (Very efficient) - G (Inefficient). The EPC will also include tips about the most cost-effective ways to improve the home energy rating. Energy performance certificates are used in many ...

  7. Energy Star - Wikipedia

    en.wikipedia.org/wiki/Energy_Star

    New homes or apartments that earn the Energy Star label have been verified to meet energy efficiency requirements set by U.S. EPA. Energy Star certified homes are at least 10% more efficient than homes built to code and achieve a 20% improvement on average, while providing homeowners with better quality, performance, and comfort. [31]

  8. Green home - Wikipedia

    en.wikipedia.org/wiki/Green_home

    A green home is a type of house designed to be environmentally sustainable. Green homes focus on the efficient use of " energy, water, and building materials ". [1] A green home may use sustainably sourced, environmentally friendly, and/or recycled building materials. This includes materials like reclaimed wood, recycled metal, and low VOC ...

  9. Cost of electricity by source - Wikipedia

    en.wikipedia.org/wiki/Cost_of_electricity_by_source

    Typically pricing of electricity from various energy sources may not include all external costs – that is, the costs indirectly borne by society as a whole as a consequence of using that energy source. [ 62 ] These may include enabling costs, environmental impacts, energy storage, recycling costs, or beyond-insurance accident effects.

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