Clean fireplace and chimney

Clean your fireplace firebox to maintain safe operation and prepare for the next burning season.

Why it matters#

Ash buildup and creosote are fire hazards. Regular firebox cleaning and annual chimney inspection keep your fireplace safe to use.

What you'll need#

Tools#

Shop vacuum or ash vacuum
Stiff brush
Dustpan and brush
Flashlight
Drop cloths

Materials#

Rubber gloves
Dust mask
Bucket
Warm water and dish soap
Newspaper

Steps#

1. Wait until completely cold#

Don't clean until at least 24-48 hours after the last fire. Ashes can retain heat for a long time.

2. Prepare the area#

Lay drop cloths around the fireplace to protect flooring. Open a window for ventilation.

3. Remove the grate and andirons#

Take out any fireplace tools, grates, and decorative items.

4. Remove bulk ash and debris#

Using a dustpan, scoop out larger pieces of debris and most of the ash into a metal container.

5. Vacuum remaining ash#

Use a shop vacuum or dedicated ash vacuum to remove fine ash. Regular vacuums can be damaged by fine ash particles.

6. Scrub the firebox#

Mix warm water with a few drops of dish soap. Scrub the walls and floor of the firebox with a stiff brush.

7. Wipe down the interior#

Wipe with damp cloths to remove loosened soot and residue. Let dry completely.

8. Clean the hearth#

Scrub the hearth with appropriate cleaner for the material (stone, brick, tile).

9. Inspect the damper#

While you're there, check that the damper opens and closes properly.

10. Look up the chimney#

Shine a flashlight up the flue. If you see significant creosote buildup (black, tar-like coating thicker than 1/8 inch), schedule professional cleaning.

Pro tips#

Leave about an inch of ash in the firebox—it helps insulate and makes starting fires easier
Clean the firebox several times during burning season, and thoroughly at season end
Dispose of ashes in a metal container away from the house—ashes can stay hot for days
Annual chimney inspections are recommended for regular fireplace users

Warnings#

Ashes can remain hot for days—always treat them as if they're still burning
Creosote is highly flammable—significant buildup requires professional chimney sweeping
Never use water on a fire or hot ashes—it creates dangerous steam
Don't clean the chimney flue yourself—this requires professional equipment and expertise

Hire a certified chimney sweep ($150-300) for: annual inspection and cleaning (if you use the fireplace regularly), any visible creosote buildup, smoke coming into the room when damper is open, or if you haven't had an inspection in over a year.