Responded to condensate leak. Found pressure slightly below ideal, found dirty evaporator coil. Poured 3–38 fluid ounce bottles of water into drain pan, condensate pipe properly disposed of water. Checked joints of condensate pipe, all joints appear to be glued and not leaking at this time. Presented hk1a-e customer chose option a. r22 2013 heat pump manufactured in 08. Advised lack of airflow could cause freezing. Allowing water to leak outside unit. Customer is aware of age and refrigerant. Cannot confirm or deny source of leak. Performed repair. Started unit. 58/176 11 degree SH. Unit is running properly at this time with 22 degree deltat.