Carbon monoxide (CO) clues you can see:
- Rusting or water streaking on vent/chimney
- Loose or missing furnace panel
- Sooting
- Loose or disconnected vent/chimney connections
- Debris or soot falling from chimney, fireplace or appliance
- Loose masonry on chimney
- Moisture inside of windows
Carbon monoxide (CO) clues you cannot see:
- Internal appliance damage or malfunctioning components
- Improper burner adjustment
- Hidden blockage or damage in chimneys
Only a trained service technician can detect hidden problems and correct these conditions!