Here are some main introductions about the specifications of central air conditioning: 1. Cooling/Heating Power: It indicates the cooling or heating capacity of the air conditioner. 2. Airflow: The amount of air circulation within a unit time. 3. Static Pressure: The ability of the air conditioner to deliver air against the resistance of the pipeline. 4. Energy Efficiency Ratio: It reflects the energy efficiency level of the air conditioner. 5. Dimensions and Weight: Including the size and weight of the equipment. 6. Refrigerant Type: The type of refrigerant used by the air conditioner.