CO Prevention is Better Than Cure January 03, 2018 CO Prevention is better than cureFor the charities and organisations raising awareness of carbon monoxide (CO), a big question remains: why is a preventable problem still killing people and making thousands ill every year? In this blog post, we shine a spotlight on the work being done to keep people safe from CO. How to stay safe Get an annual gas safety check and have gas, oil, and solid fuel-burning appliances serviced every year.Fit an audible CO alarm in the same room as every gas, oil or solid-fuel burning appliance. Make sure the alarm conforms to BS EN 50291 and has the British Standards (or equivalent European approval organisation's) kitemark.Never bring a barbecue or outdoor heater into an enclosed space such as inside a tent. The warning signsYellow or orange rather than blue gas flames Dark staining on/around appliances Pilot lights that blow out frequently Increased condensation inside windows.