Seasonal Energy Efficiency Ratio (SEER)

The Seasonal Energy Efficiency Ratio (SEER) measures how efficiently an air conditioner cools a space over an entire cooling season. It is calculated by dividing the total cooling output (in British thermal units, or BTUs) by the total electricity used (in watt-hours) during that period. A higher SEER indicates a more efficient system, meaning it provides more cooling for less energy, leading to lower energy bills and reduced environmental impact. SEER ratings help consumers compare different units to choose the most energy-efficient option for their needs.