Table 344: Variables for HVAC Systems Term Unit Values Source , Rated cooling capacity of the energy Nameplate data (AHRI EDC Data efficient unit or AHAM) Gathering New Construction or See Table Replace on Burnout: 345 to Table Default values from 347 Table 345 to Table 347 , Efficiency rating of the baseline unit None Early Replacement: EDC Data Nameplate data Gathering , Efficiency rating of the energy efficiency Nameplate data (AHRI EDC Data None unit. or AHAM) Gathering CF, Demand Coincidence Factor None See Table 326 1 Based on Logging, EDC Data , Equivalent Full Load Hours for the cooling BMS data or Modeling Gathering season The kWh during the entire operating – season divided by the kW at design Default values from conditions. 1 Table 325 Table 345 below lists the minimum federal efficiency standards for room air conditioners (effective as of June 1, 2014) and minimum ENERGY STAR efficiency standards for RAC units of various capacity ranges, with and without louvered sides. Units without louvered sides are also referred to as the units or units. Note that the new federal standards are based on the “through wall” “built-in” Combined Energy Efficiency Ratio Metric (CEER), which is a metric that incorporates energy use in all modes, including standby and off modes.
Table 344: Variables for HVAC Systems Term Unit Values Source , Rated cooling capacity of the energy efficient unit Nameplate data (AHRI or AHAM) EDC Data Gathering , Efficiency rating of the baseline unit None New Construction or Replace on Burnout: Default values from Table 345 to Table 347 See Table 345 to Table 347 Early Replacement: Nameplate data EDC Data Gathering , Efficiency rating of the energy efficiency unit. None Nameplate data (AHRI or AHAM) EDC Data Gathering CF, Demand Coincidence Factor None See Table 326 1 , Equivalent Full Load Hours for the cooling season – The kWh during the entire operating season divided by the kW at design conditions. Based on Logging, BMS data or Modeling EDC Data Gathering Default values from Table 325 1 Table 345 below lists the minimum federal efficiency standards for room air conditioners (effective as of June 1, 2014) and minimum ENERGY STAR efficiency standards for RAC units of various capacity ranges, with and without louvered sides. Units without louvered sides are also referred to as “through the wall” units or “built-in” units. Note that the new federal standards are based on the Combined Energy Efficiency Ratio Metric (CEER), which is a metric that incorporates energy use in all modes, including standby and off modes.
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