Have fuel-burning heating equipment, flues, and chimneys inspected
Damaged or poorly vented combustion equipment can create fire and carbon-monoxide hazards.
When it usually needs attention
Timing follows the local season
CPSC guidance calls for professional inspection of furnaces, flues, and chimneys before heating use.
When this guide applies
Applies when fuel-burning heating or hearth equipment is present.
What to do
Gather fuel type, model, prior service, vent locations, and symptoms, then arrange qualified inspection before heating season.
Applies when: Applies when fuel-burning heating or hearth equipment is present.
Who should handle it: The responsible owner or manager arranges service; occupants report symptoms and keep vents unobstructed.
Tools
- Equipment list and prior service records
Parts and supplies
- None for the resident
Safety gear
- None for scheduling and record gathering
Before you start
- Working smoke and CO alarms
- Qualified service provider
Power, water, or fuel shutoffs
- Do not alter gas, oil, combustion, vent, or electrical controls
Cleaner or chemical limits
Do not use chimney chemicals, combustion additives, or equipment cleaner as a substitute for inspection.
Stop and get help when
- Leave and call emergency services for a CO alarm, gas odor, smoke, or fire
- No resident combustion adjustment, flue disassembly, or roof access
Who to call: Use the locally qualified combustion, chimney, or HVAC trade for the installed equipment.
Reviewed sources
- The Inside Story: A Guide to Indoor Air QualityU.S. Consumer Product Safety Commission · reviewed July 13, 2026
- Carbon Monoxide AlarmsU.S. Consumer Product Safety Commission · reviewed July 13, 2026