Condenser can be typically ~25ft from the air handler. It would have to be outside, otherwise it would act as a refrigerator for the garage, and tank the effici

Condenser can be typically ~25ft from the air handler. It would have to be outside, otherwise it would act as a refrigerator for the garage, and tank the efficiency of the system. System size - we're working on an online tool to get you close to the right size. In the current flow you preorder and a contractor will prepare the final quote and system sizing (we give them a web app to turn a utility bill into a heat pump size).