SEER stands for Seasonal Energy Efficiency Rating. It measures an air conditioner’s efficiency. Currently, the lowest industry SEER rating is a 13. Some of the best air conditioners may reach a SEER of 21. The higher the number, the more efficient the air conditioner.
Yes, you should care about SEER ratings. More efficient air conditioners are better for the environment. But, they also provide you benefits. An efficient air conditioner will use less energy, which will cost you less money.