Preliminary indications suggest carbon monoxide exposure as a possible cause; however, the incident remains under investigation at this time. The New Hartford Fire Department and New Hartford Police Department jointly remind residents that carbon monoxide is a colorless, odorless gas that can be deadly without warning. Working carbon monoxide detectors on every level of the home and near sleeping areas are critical, and all fuel-burning appliances should be properly maintained. The Threat of Carbon Monoxide PoisoningWhen the Upstate New York cold settles in and we button up the house, there’s a hidden danger most people never see coming: carbon monoxide. Carbon monoxide poisoning can mimic the flu with headaches, dizziness, nausea, or weakness—and without a detector, you’d never know it’s happening.