The government has made it mandatory for builders and house owners to include carbon monoxide detectors in every floor of a residence. And you must have noticed how the registration officials looked carefully for safety measures in your house before giving you the final nod o owning the property. To be a discerning owner you need to upgrade facilities and fire and safety measures in your home from time to time. And even you are an experienced buyer in terms of carbon monoxide detectors brushing up your basics when before starting on the final market hike is really important.