1)hvac diagnostic 2) client said that her system is not heating I confirmed board is faulty and thermostat needs to be switched over to a proper thermostat infinity to complete system, I did advise to replace system due to repair vs replace and due to conditions,age,efficiency, client is waiting until home warranty is active in 30 days to make a claim, I advised to not wait 30 days to avoid pipes freezing over. 3)Job complete, I shut furnace off at furnace switch downstairs, until repairs are made, client is aware of conditions.