What to do to focus on design field of refrigeration?

[Salah_Abdulla]

I'm graduated in mechanical engineering. I would like to do MS on Refrigeration from USA. Then I would like to focus on design fields. But currently I'm working in the field of steel structure erection. Hope your suggestions and advices to change career.

 

[russ_watters]

Most of the HVAC engineers I work with just have regular mechanical BS degrees.