Smoke coming back into the house means the chimney is not creating enough upward draft to carry combustion gases outdoors. A little smoke may appear while a cold flue warms, but continued smoke indicates an airflow problem.
Wood smoke contains fine particles that can harm your health. If smoke continues entering the home, stop using the fireplace, ventilate the room when safe and schedule an inspection. If an alarm activates, leave the home and call emergency services from a safe location.
Is the Fireplace Damper Fully Open?
A closed, partially open or damaged damper can prevent smoke from entering the flue. Before lighting a fire, confirm that the damper opens completely. Do not use the fireplace if it is stuck, obstructed or will not remain open.
Can a Cold Chimney Cause Smoke?
Cold air can settle inside a chimney, especially one located on an exterior wall. Until the flue warms and establishes upward airflow, smoke may spill into the room. Repeated or prolonged smoke should not be considered a normal part of starting a fire.
Are Exhaust Fans Creating Negative Pressure?
Kitchen hoods, bathroom fans and clothes dryers remove indoor air. In a tightly sealed house, they can create negative pressure that competes with chimney draft. If turning them off and slightly opening a nearby window improves the draft, tell the chimney professional.
Could the Chimney Be Blocked?
Animal nests, leaves, fallen masonry, soot or creosote can restrict the flue. A damaged liner may also reduce the passage available for smoke. Never look up an active flue or attempt to remove a blockage while a fire is burning. A chimney video inspection can locate restrictions and determine whether cleaning or repair is needed.
Does Wet Firewood Make a Fireplace Smoke?
Wet wood produces a cooler, smokier fire that may not establish dependable draft. Burn only dry, seasoned firewood; never burn trash, treated lumber or painted wood. Dry wood, however, cannot correct a blocked or damaged chimney.
Can Chimney Height or Fireplace Design Cause Poor Draft?
A short or improperly sized chimney may experience weak draft or downdrafts. An oversized fireplace opening may also demand more airflow than the flue can handle. These conditions require professional evaluation.
Schedule a Fireplace and Chimney Inspection
The
EPA recommends annual professional inspection of wood-burning appliances, chimneys and vents. It also advises stopping use and contacting a qualified professional when smoke enters the home.
Ace Chimney, Fireplace & Outdoor Living provides
CSIA Certified inspections, chimney cleaning and professional
chimney repair in Louisville, KY,
Lexington, KY, and surrounding Kentucky communities. An inspection can identify problems involving the damper, blockage, creosote, liner, house pressure or chimney design.
