FOUND THERMOSTAT FAULTY INTERMITTENTLY UNABLE TO SEND CALL FOR AUXILIARY HEAT. 19 YEAR OLD SYSTEM FURTHER INSPECTED FOUND COMPRESSOR EXTREMELY NOISEY UPON STARTUP. WINDING READINGS WITHIN HIGH END OF CAUTION/BAD RANGE. LARGE REPAIR COSTS NOT RECOMMENDED DUE TO AGE/OVERALL POOR CONDITION. PLANS TO SELL HOME SOON. HANDED OVER TO FIELD SUPERVISOR TO SEND OVER NEW EQUIPMENT PROPOSAL.