No heat. On arrival the system was turned on in heat mode and the condenser did not kick on. The thermostat was removed from the wall and the wires were jumpered and the system did kick on. The thermostat was then replace and the settings were adjusted to power the o during heating mode. It is possible that there was a wiring issue behind the thermostat or an intermittent thermostat issue. If the problem happens again it is recommended to replace the thermostat.