What Is the Average Cost for a Garage Mini Split System?

I’m thinking about installing a mini split in my garage because it gets way too hot to use during summer, especially in the afternoons. I’ve been researching the average cost for garage mini split system installations, but the estimates online are all over the place. Some people say it’s fairly affordable for a basic setup, while others mention additional costs for insulation, electrical work, and professional installation.

My garage is mainly used as a workspace and storage area, so I’m trying to figure out what size unit would make the most sense without driving up the power bill too much. I also keep hearing that a well-insulated garage can lower operating costs significantly.

For anyone who already installed one, what was your total cost and do you feel it was worth the investment? Any advice or recommendations would really help before I move forward with it.