Hi All,
My name is claude. I do have a noma thermostat in my first house; but, the first owner did not leave the manual for me.I don't have any inf about the thermostat.the house is always cold and I don't know how to control the thermostat can someone help me

Please pay more attention to posting instructions. You posted this to an existing thread in the Forum Help area which is only for questions about using this site. I've moved your question to its own thread.