NOT KNOWN FACTS ABOUT CUSTOM FABRICATION DUCTWORK IN ELK GROVE

Arrived on web-site to accomplish upkeep in a very 19-year-outdated system. On arrival, system powers on when contacting for heat at thermostat and completes its sequence of operations and commences to heat the home. All motors are pulling correct amperage and all capacitors are in spec, zoning board has a major burn up on it, which may be resultin