A heating and cooling system's SEER (Seasonal Energy Effectiveness Ratio) ranking shows its energy efficiency degree during air conditioning
https://cashihry373.fotosdefrases.com/the-function-of-cooling-and-heating-in-indoor-air-high-quality-breathing-fresh-air-in-your-home
A cooling and heating system's SEER (Seasonal Energy Performance Ratio) score shows its energy effectiveness level throughout cooling down operation.