What Does a Gas Fire Engineer Do? A gas fire that is regularly serviced by a Gas Safe Registered engineer can prevent problems like carbon monoxide poisoning. CO is poisonous gas which can cause headaches and nausea. It is also crucial to designate evacuation zones based on the risk assessment. https://gasengineer66601.daneblogger.com/30183147/corgi-gas-engineer-it-s-not-as-hard-as-you-think