Completed with ac 2 on 2016 Lennox merit heat pumps up flow in closet both 3 tons. Found downstairs main freezing up due to being low on refrigerant, both evaporator coils are rusted with no secondary float switches and upstairs has a weak capacitor. Giving customer the option to do all preventative repairs, minimum repairs or complete downstairs upgrade. Customer approved adding refrigerant to downstairs unit and replacing upstairs capacitor. Both units running at this time of check up.