What does SHR mean in regards to air conditioner sizing?

SHR stands for Sensible Heat Ratio, which is a measure used in air conditioning to indicate the ratio of sensible cooling to total cooling provided by an air conditioning system. Sensible cooling refers to the temperature reduction in the air, while total cooling includes both sensible and latent cooling (which addresses humidity). A higher SHR indicates that the system is more effective at reducing temperature compared to humidity, which is important for comfort and efficiency in different climates. Proper sizing of an air conditioner often considers SHR to ensure optimal performance for specific conditions.