Seasonal Energy Efficiency Ratio (SEER) explained
SEER stands for Seasonal Energy Efficiency Ratio. It measures the cooling output of an air conditioner or heat pump over a typical cooling season, divided by the amount of electricity consumed in watt-hours. In simple terms, a higher SEER number means the system provides more cooling for each unit of energy used.
Manufacturers test and rate units across standardized conditions to establish SEER ratings. The rating helps consumers compare models, estimate annual energy use, and predict potential savings on utility bills. SEER is most relevant in warm or hot climates where air conditioning dominates energy consumption during the summer months.
How SEER is calculated involves calculating the total cooling output (measured in BTU) across a range of indoor/outdoor temperatures and dividing by the total electrical energy input (in watt-hours) for those tests. The result is expressed as SEER, such as SEER 14, SEER 16, or higher for more efficie ... Read more »

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