What is Carbon Monoxide? Carbon Monoxide (also known as CO) is a colourless, odourless poisonous gas and is a common yet preventable cause of death from poisoning worldwide. Approximately half of the deaths from unintentional CO poisonings result from the inhalation of CO2 fumes. Other significant causes are vehicle exhausts and deaths in Industrial/ Commercial … Continue reading Always on Smoke & Carbon Monoxide Detectors