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  2. European seasonal energy efficiency ratio - Wikipedia

    en.wikipedia.org/wiki/European_seasonal_energy...

    In the United Kingdom, a Seasonal Energy Efficiency ratio (SEER) for refrigeration and air conditioning products, similar to the ESEER but with different load profile weighting factors, is used for part of the Building Regulations Part L calculations within the Simplified Building Energy Model (SBEM) software, and are used in the production of Energy Performance Certificates (EPC) for new ...

  3. Seasonal energy efficiency ratio - Wikipedia

    en.wikipedia.org/wiki/Seasonal_energy_efficiency...

    EER = −0.02 × SEER² + 1.12 × SEER [2] Note that this method is used for benchmark modeling only and is not appropriate for all climate conditions. [ 2 ] A SEER of 13 is approximately equivalent to an EER of 11, and a COP of 3.2, which means that 3.2 units of heat are removed from indoors per unit of energy used to run the air conditioner.

  4. European Union energy label - Wikipedia

    en.wikipedia.org/wiki/European_Union_energy_label

    Example EU energy label for a refrigerator. EU Directive 92/75/EC (1992) [1] established an energy consumption labelling scheme. The directive was implemented by several other directives [2] thus most white goods, light bulb packaging and cars must have an EU Energy Label clearly displayed when offered for sale or rent.

  5. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    EER is the Energy Efficiency Ratio based on a 35 °C (95 °F) outdoor temperature. To more accurately describe the performance of air conditioning equipment over a typical cooling season a modified version of the EER, the Seasonal Energy Efficiency Ratio (SEER), or in Europe the ESEER, is used. SEER ratings are based on seasonal temperature ...

  6. List of energy abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_abbreviations

    PCS—Power conversion system, electric power conversion. Plant Control System. PCT—Programmable Communicating Thermostat (electricity), Production Conformity Test; PD—Preliminary Determination; PDC—Phasor data concentrator. See description in phasor measurement unit article. (electricity)

  7. Energy efficiency rating - Wikipedia

    en.wikipedia.org/wiki/Energy_efficiency_rating

    The Energy Efficiency Rating (EER) is a score applied to dwellings in the Australian Capital Territory. It ranges from zero to six system– the higher the number of stars, the better. This is mandatory for all dwellings offered for sale in the ACT. The term can also refer to a rating given to household goods sold in the EU.

  8. Coefficient of performance - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_performance

    Less work is required to move heat than for conversion into heat, and because of this, heat pumps, air conditioners and refrigeration systems can have a coefficient of performance greater than one. The COP is highly dependent on operating conditions, especially absolute temperature and relative temperature between sink and system, and is often ...

  9. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    A heat pump's operating performance in cooling mode is characterized in the US by either its energy efficiency ratio (EER) or seasonal energy efficiency ratio (SEER), both of which have units of BTU/(h·W) (note that 1 BTU/(h·W) = 0.293 W/W) and larger values indicate better performance.