As our cars age, we are seeing more and more new complaints. This is one of them.

Fuse 37 powers a lot of the heater/AC functions as well as one half of the SKREEM module and the recirculation switchover valve. Someone must get in there and disconnect the various wires and find out which one of them is blowing the fuse.
This is not a job for a "mechanic" it's a job for an electronics technician, using the diagrams in the service manual. We have several people around the country capable of tracking this down, but without knowing where you are, we can't recommend any one of them.