Where is the filter on the goodman package heat pump Model GPH1436H41?

The filter for the Goodman package heat pump Model GPH1436H41 is typically located in the return air duct or access panel. You may need to remove a panel or grille to access the filter compartment. It's important to check the manufacturer's manual for specific instructions on locating and replacing the filter, as designs can vary. Regularly changing the filter is essential for maintaining optimal performance and efficiency.