Queens resident in critical condition after carbon monoxide exposure: FDNY

QUEENS - A person is in critical condition after encountering carbon monoxide in a house in Queens on Tuesday, the FDNY said.

The FDNY received a call before 10:30 a.m. reporting elevated carbon monoxide levels in a home located at 114-33 194th Street in St Albans.

"There was seven occupancies in a private house. Members ascended the exterior stair, and as soon as the unit got on the third floor, the officer’s CO detector was wailing. They started treating an unconscious patient in the home," Deputy Chief George Healy said.

Healy said there were several people removed and four were treated by EMS.

Healy said it appeared that "the plumbing and the electric are not code compliant."

"The main culprit was an on-demand water heater. One unit’s piping didn’t exit to the exterior to house. It terminated inside the house, so anytime there was a call for heat, that unit was pumping CO into the house," Healy said.

"We did see smoke detectors, but we did not identify any devices in the house that were CO detectors, nor were there any devices that were actively in alarm," Healy said.

The FDNY said in total three people were taken to the hospital. The names of the people who were taken to the hospital and the woman in critical condition have not been released.

The Department of Buildings, National Grid, and FDNY Fire Marshals are on scene.

This story is developing. Stay with FOX 5 NY for more updates.