Arrived to no cool. customer states that there is no airflow on one side of the house. Manufactured home with a down flow furnace. Found that the crossover duct has become detached and is preventing any air from reaching that side of the house. The indoor unit is very dirty and needs to be be cleaned. The outdoor unit is very dirty and is causing the refrigerant pressures to spike. Outdoor unit needs to be cleaned. Estimates will be sent via email.