Respond to Carbon Monoxide Alarm During Active Event

Cost Savings

Checklist Tasks

• Evacuate all occupants immediately to minimize CO exposure.
• Leave exterior doors open on exit to help ventilate the home.
• Call emergency services from outside to report possible CO leak.
• Do not re-enter the home until first responders declare it safe.
• If possible, turn off gas appliances and supply from outside.
• Warn neighbors in attached or nearby homes of potential CO hazard.
• Provide responders with details on appliances and symptoms.
• Record alarm activation time and duration for insurance reference.
• After clearance, ventilate the home thoroughly.
• Replace detector batteries and test all alarms after the event.
• Have a technician inspect all gas appliances and vents for leaks.
• Request written safety clearance before using gas appliances again.