How to Use a Fireplace Safely and Efficiently

Whether you have just moved into a home with a fireplace for the first time or are returning to an appliance that has not been used in a while, there are important steps to take before striking a match. A fireplace is a controlled combustion system, and like any system, it performs best when properly prepared and maintained.

The first and most important step is to confirm your chimney has been inspected within the past twelve months. The National Fire Protection Association recommends annual inspections for all chimneys, and starting a fire in an uninspected chimney risks burning against an unknown accumulation of creosote, an undetected blockage from animal nesting, or a damaged flue liner that could allow heat or combustion gases to reach your home’s framing. If you are unsure when your chimney was last inspected, schedule one before using the fireplace.

Once you have confirmed the chimney is in safe operating condition, familiarize yourself with the damper. The damper is a metal plate located in the throat of the chimney above the firebox. It must be fully open before lighting any fire. Look up into the firebox with a flashlight to verify the damper is open and that you can see daylight or the sky through the flue. If the damper is stuck, corroded, or does not move freely, have it serviced before attempting to use the fireplace.

Preparing the Firebox
Remove excessive ash from previous fires, leaving about an inch-deep bed on the firebox floor. A thin layer of ash actually helps insulate the fire and reflects heat back into the flames. Position a fireplace grate if you have one, as elevating the fire allows air to circulate beneath the logs for more complete combustion.

Open the damper fully. If your fireplace has an outside air intake, open that as well. Place a fire screen or close the glass doors partially during the starting phase to prevent sparks from reaching your room.

The Top-Down Fire Method
The most effective way to build a fireplace fire is the top-down method, which produces less smoke during the critical startup phase and establishes a strong draft faster than traditional bottom-up approaches.

Start by placing your largest logs on the grate or firebox floor, parallel to each other with small gaps between them. Add a second layer of medium-sized logs perpendicular to the first. On top of that, place a layer of kindling, which consists of small dry sticks, split wood pieces, or commercial fire starters. Finally, place your fire-starting material on the very top, whether that is crumpled newspaper, natural fire starters, or fatwood.

Light the fire starter material at the top. As it burns downward, it heats the flue quickly and establishes an upward draft before the larger logs begin producing heavy smoke. This method results in significantly less smoke entering your room compared to trying to light newspaper under a stack of cold logs.

Priming the Flue
If your chimney is on an exterior wall, which is common in many Middle Tennessee homes, the flue may be filled with cold, dense air that resists the upward draft your fire needs. Before lighting your main fire, hold a rolled-up newspaper or a commercial fire starter near the damper opening and light it. This warms the air in the flue and establishes an upward draft. You should feel the warm air being pulled upward within 30 seconds to a minute. Once the draft is established, proceed with lighting your prepared fire.

Getting the most warmth from your fireplace is about managing combustion, not just piling on more wood. A well-managed fire burns hotter, produces less smoke, creates less creosote, and actually delivers more usable heat into your living space.

Feed the fire gradually rather than overloading the firebox. Adding one or two logs at a time to an established bed of coals produces cleaner, hotter combustion than smothering the fire with a large load. Keep the damper fully open during active burning to ensure adequate oxygen supply. Restricting the damper to extend burn time lowers the combustion temperature and dramatically increases creosote production. It is a false economy that costs you in chimney maintenance.

Use properly seasoned hardwood with a moisture content of 20 percent or less. Seasoned wood ignites faster, burns hotter, produces more heat, and deposits far less creosote than green or wet wood. Oak, hickory, ash, and cherry are excellent choices that are readily available from firewood suppliers throughout the Nashville area and Middle Tennessee.

Even experienced fireplace users sometimes develop habits that reduce efficiency or create safety risks. Being aware of these common mistakes helps you get the most from your fireplace while keeping your home safe.

Never burn trash, cardboard boxes, wrapping paper, or magazines in your fireplace. These materials burn unpredictably, can send flaming debris up the flue, and some release toxic chemicals. Treated lumber, plywood, and particleboard should never be burned because they contain adhesives and preservatives that produce harmful fumes and accelerate flue deterioration.

Avoid leaving fires unattended, especially with glass doors fully open. Always use a fire screen to contain sparks when doors are open. Do not close glass doors completely on a roaring fire, as this can overheat the firebox and damage the glass or surrounding materials. Most glass doors are designed to be open during active burning and closed after the fire dies down to prevent room air from escaping up the chimney as the coals cool.

Never use gasoline, kerosene, charcoal lighter fluid, or any liquid accelerant to start or revive a fireplace fire. These products produce explosive vapors in an enclosed space and have caused serious injuries and house fires. Use only approved fire starters, newspaper, or natural kindling.

A working smoke detector should be installed on every level of your home, and carbon monoxide detectors should be present near sleeping areas and on every floor. Test these devices monthly and replace batteries annually. Carbon monoxide is an odorless, colorless gas that can leak into your home through cracks in the flue liner, and a properly functioning detector is your only reliable warning.

Keep a fire extinguisher rated for Class A fires accessible near the fireplace. Maintain at least a three-foot clearance between the fireplace opening and any combustible materials including furniture, curtains, decorations, and holiday greenery. Never hang stockings or decorations from the mantel while a fire is burning. Before going to bed, make sure the fire has burned down to a bed of coals and the fire screen is in place. Do not close the damper until the fire is completely extinguished and all embers have cooled, as closing the damper on a smoldering fire traps carbon monoxide inside your home.

Your fireplace should draw smoke cleanly up the chimney without sending any into your room. If you experience persistent smoke spillage with the damper fully open, difficulty starting or maintaining fires, unusual odors during or after burning, or a damper that does not operate smoothly, these are signs that your chimney system needs professional evaluation.

At Allegiance Chimney Solutions, our CSIA-certified technicians help homeowners across Nashville, Murfreesboro, and Middle Tennessee get the most from their fireplaces safely. Whether you need an inspection, a cleaning, or troubleshooting for performance issues, our team provides honest, professional service backed by our BBB A+ rating and over 466 Google reviews.

Want to make sure your fireplace is ready for a safe, warm season? Schedule an inspection with the CSIA-certified team at Allegiance Chimney Solutions. We serve homeowners across Nashville, Murfreesboro, and all of Middle Tennessee. Visit https://allegiancechimneysolutions.com/contact/ or call us today.