Question: what is the difference between 16 seer and 13 seer?
Answer: What is the difference between 13 and 16 seer air conditioning? ... 13 Seer is the federal minimum to be sold, is single stage, and cheaper than the higher seer conditioners. A 16 seer air conditioner is high efficiency, 2 stage so it transfers air twice as fast, and is eligible for a tax credit.