Measure descriptions are subject to change.
Evaporator Specific Efficiency for Refrigerated Warehouses
A minimum specific efficiency is proposed for all non-process cooling/freezing evaporators used in refrigerated warehouses. Evaporator specific efficiency is defined as cooling capacity of the evaporator (Btu/hr) divided by the power input (Watts) required for the fan motors at rated temperature conditions at 100 percent fan speed. The rated capacity is defined at 10°F of temperature difference between the incoming air temperature and the saturated evaporating temperature of the refrigerant, assuming a dry coil. This metric is similar to what is used currently in Title 24, Part 6 for comparing the efficiency of refrigeration condensers.
Data Needs/Stakeholder Information Requests
- Energy Savings – What are the energy savings associated with the proposed minimum evaporator specific energy efficiency?
- Technical Feasibility – What new efficiencies / technologies have emerged since the 2022 cycle report came out?
- Costs – What are the incremental costs and operational savings associated with having a minimum evaporator specific energy efficiency?
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The Statewide CASE Team values input from all stakeholders engaged in the Title 24, Part 6 code change process. We encourage the open exchange of code change comments and concerns.
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