Seasonal energy efficiency rating, abbreviated as SEER, also called seasonal energy efficiency ratio, a dimensionless number, measure the efficiency a residental central cooling will operate over an entire cooling season.
- seasonal Btu of cooling
- seasonal watt-hours used
Seasonal Energy Efficiency Rating Index
Seasonal Energy Efficiency Rating (Varying Weather Conditions) formula
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\( SEER = 1 \; ( EER \; 100\% ) + 42 \; ( EER \; 75\% ) + 12\; ( EER\;250\%\ ) \;/\;100 \) |
Symbol |
English |
Metric |
\( SEER \) = seasonal energy efficiency rating (varying weather conditions) |
\(dimensionless\) |
\( EER \) = energy efficiency rating |
\(dimensionless\) |
Seasonal Energy Efficiency Rating (EER above 14) formula
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\( SEER = EER \;/\; 0.875 \) (Seasonal Energy Efficiency Rating (EER above 14))
\( EER = SEER \; 0.875 \)
|
Symbol |
English |
Metric |
\( SEER \) = seasonal energy efficiency rating (when EER is above 14) |
\(dimensionless\) |
\( EER \) = energy efficiency rating |
\(dimensionless\) |
Seasonal Energy Efficiency Rating (EER below 14) formula
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\( SEER = 1.12 - \sqrt{ 1.2544 - EER \; 0.08 } \;/\; 0.04 \) |
Symbol |
English |
Metric |
\( SEER \) = seasonal energy efficiency rating (when EER is below 14) |
\(dimensionless\) |
\( EER \) = energy efficiency rating |
\(dimensionless\) |