“Her family had routinely used the generator when the power was out, including during the 2021 freeze, which resulted in the worst carbon monoxide poisoning event in recent history. They always kept the device at a safe distance to prevent the colorless, odorless gas from seeping inside. On July 11, however, they moved it a few feet closer to their home in Cleveland, Texas, placing it under the porch in anticipation of rain from the hurricane.”
“The family did not have a CO detector. Nothing in state law required them to. At the time of the 2021 winter storm, Texas was one of six states with no statewide requirement for CO detectors in homes…”
My generator manual is pretty specific about this risk. It also mentions not pointing the exhaust toward the dwelling.