Specifications include, but are not limited to: BASIC MAINTENANCE PLAN - Perform a 14-point check and keep the system in peak operating condition - once before winter and once before summer. This plan covers the labor charge for both seasonal checks. Parts are not included. Any additional service calls for breakdowns will get priority service but at the regular rate. Including the following: AIR CONDITIONING SYSTEM - Check refrigerant charge and operating pressures. Check voltage and amperage to all motors with meter. Check air temperature drop across evaporator. Check evaporator superheat. Check and lubricate all moving parts when applicable. Check belt and adjust tension when applicable. Check and Replace Filters if necessary. Check pressure switch cut-out setting. Check electrical lock out circuits. Check all wiring and connections. Adjust thermostat. Check air temperature across condenser. Check for dirty condenser coil. Check that condensate drain is open. Turn exposed dampers to cooling position, if marked. HEATING SYSTEM - Adjust thermostat. Clean and adjust all safety controls. Vacuum clean burners and controls if necessary. Test ignition components. Adjust burner for efficiency. Check for gas leak in the furnace. Check and lubricate all moving parts when applicable. Check belt and adjust tension when applicable. Check flue pipe. Shut down central air conditioner per customer request. Turn exposed dampers to heating position, if marked. Activate humidifier if applicable. Check all circuit boards and electronics. Check total performance and operating efficiency of heating system.