PERFORMED PRE-BUY INSPECTION ON (2) CARRIER HEAT PUMP SYSTEMS. POTENTIAL HOME BUYER STATED NEITHER SYSTEM IS RUNNING UPON ARRIVAL. FOUND BREAKER IN MAIN PANEL OFF. RESET BREAKER. BOTH SYSTEMS OPERATING WITHIN SPECS IN BOTH HEATING/COOLING. UPSTAIRS SYSTEM EXPOSED PORTION OF DRAIN LINE NOT INSULATED. UPSTAIRS CONDENSER SLIGHTLY UNLEVELED. BOTH DUCT SYSTEMS IN TACT, BUT SHOWING SIGNS OF AGE. BOTH SYSTEMS NEED ESA MAINTENANCE/CLEANING. BUILT ESTIMATES.