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  2. European seasonal energy efficiency ratio - Wikipedia

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

    The formula for ESEER can then be presented as follows: ESEER = (EER@100% load × 0.03) + (EER@75% load × 0.33) + (EER@50% load × 0.41) + (EER@25% load × 0.23) [ 1 ] Eurovent publishes EER and ESEER values in its Directory of Certified Products together with cooling capacity and power input for standard conditions at full load for a wide ...

  3. Seasonal energy efficiency ratio - Wikipedia

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

    Typical EER for residential central cooling units = 0.875 × SEER. SEER is a higher value than EER for the same equipment. [1] A more detailed method for converting SEER to EER uses this formula: 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 ...

  4. Heating seasonal performance factor - Wikipedia

    en.wikipedia.org/wiki/Heating_seasonal...

    Example: For a heat pump delivering 120,000,000 BTU during the season, when consuming 15,000 kWh, the HSPF can be calculated as : HSPF = 120000000 (BTU) / (1000) / 15000 (kWh) HSPF = 8. The HSPF is related to the non-dimensional Coefficient of Performance (COP) for a heat pump, which measures the ratio of heat delivered to work done by the ...

  5. Coefficient of performance - Wikipedia

    en.wikipedia.org/wiki/Coefficient_of_performance

    The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [1] [2] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs. The COP is used in thermodynamics.

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  7. Talk:Seasonal energy efficiency ratio - Wikipedia

    en.wikipedia.org/wiki/Talk:Seasonal_energy...

    SEER, EER, and COP. Next, regarding the relationship between the SEER, the EER, and the COP (coefficient of performance), the SEER and the EER are both ratios (and ratings) for air conditioning systems. In contrast, the COP is a ratio for heat pumps and is not specifically defined by some industry standard as being a rating.

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