CAME OUT ON A FREE SERVICE CALL FOR HEATING UNIT, NO AC. CHECK THERMOSTAT, AIR FILTER, AND ALL ELECTRICAL CONNECTIONS. CHECK FAN CONTROL, GAS PRESSURE AND FOR PROPER VENTING. INSTALL 56 XX A/H COND PUMP ADC 12YR P&L. MADE SUER SYSTEMS WERE INSTALLED PROPERLY AND WORK AREA CLEAN WHEN FINISHED.