-Performed CMA Full Service on 11 split system heat pumps, 3 mini split system heat pumps. -System 2: Observed very high heat at time delay relay/board. Board may be due for failure. Recommend replacing time delay board to maintain operation of system. -System 4: Observed loud operation of compressor. -System 10: No vent installed in drain line. Recommend installing EZ Trap to vent and properly service drain line. -System 11: Overflow safety switch damaged prior to service. Recommend replacing. No float switch installed on auxiliary pan. Recommend adding. Unit has no protection from flooding if drain line clogs until switches installed/replaced. Evaporator coil was found to be in poor condition and deteriorating at last cleaning. Replacement of evaporator coil was recommended at that time. Due to age of system and anticipated cost of repair, replacement of system should be considered.