Cooling systems are described with two efficiency metrics, the Energy Efficiency Ratio (EER) and the Seasonal Energy Efficiency Ratio (SEER). The SEER represents the seasonal average performance across the cooling season and will be higher than the EER, which represents the performance at 95 degrees.
At the System level of the tree, select the HVAC system. In the Cooling tab, review your inputs for the SEER and the EER and ensure the EER falls within the range specified in the error message, as the value is likely not valid, or alternatively revise the SEER.
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