Emergency Procedures · Life Safety

Carbon Monoxide Alarm Response

Immediate response sequence for carbon monoxide alarms: 1) Move everyone outside to fresh air, 2) Call emergency services, 3) Do not re-enter until cleared, 4) Shut down combustion appliances only if accessible on your way out, 5) Schedule licensed HVAC inspection before restoring service.

Common symptoms

• Carbon monoxide detector alarm
• Headache, nausea, dizziness indoors
• Sooting around combustion appliances
• Backdrafting at water heater or furnace vent

Common repairs

• Combustion analysis and draft correction
• Vent connector replacement
• Heat-exchanger inspection and replacement
• Makeup-air correction