Maximum Efficiency from Your Fireplace This Winter
The only thing better than a fireplace in the winter is an efficient fireplace in the winter. By following these six tips for max fireplace efficiency and safety, you’ll make a big difference in how much you enjoy your fireplace during the cold months.
Tip 1: chimney health
This tip means to schedule chimney sweep service and fireplace/chimney inspection before the season kicks in. Chimney sweeps will remove flammable creosote and draft-hampering obstructions from your flue, while an inspection will uncover any part of your fireplace system that needs service.
Tip 2: Use dry firewood
Logs that haven’t had time to fully dry out (usually takes six months to a year after chopping) burn inefficiently and produce a lot more smoke than dry logs. Logs that are dry make hotter fires that burn longer and look spectacular.
2a: When storing your firewood outside, set the stack on a rack or pallet to keep it off the damp ground. Store wood in an area that is shielded from rain. If you prefer to use a tarp covering, make sure the ends are open so air can circulate.
2b: Remember that different types of wood have different burn qualities. For hotter, longer-lasting fires, go with hardwoods like maple, elm, oak and beech. When you want a shorter burn time, use softwoods like cedar, fir and red pine.
Tip 3: maximum performance
When stacking logs, make sure to leave some breathing room in between them. Some people say to start your fire from the top down; other say burn from the bottom up. Whichever way you go, a trick to getting really blazing fires is to start with a relatively small log stack and get it blazing well before adding more wood. Try this and see – and feel – the difference.
Tip 4: Keep the firebox clean
The more clutter of ashes and charred wood in your firebox, the less air that can get in to intensify your fires.
Shovel out debris regularly – and wash/scrape off any soot or creosote on the firebox walls to reduce the chance of fire.
Tip 5: Remember to close the damper after a fire
After your logs are finished burning, preserve the heat that’s in your home by shutting the fireplace damper. A house will retain a certain amount of fireplace-produced heat after the fire is over, but all that heat will go right up the chimney if the damper is left open.
Tip 6: Safety precautions
- Burn only wood in your fireplace – no household trash, plastics, cardboard, furnishings or any other material.
- Never use gasoline, lighter fluid or other accelerants to start a fire.
- Know the signs of a chimney fire: large amounts of dark smoke from either end of the chimney; a clicking/tapping noise; a rumbling sound like a distant train. Call 911 if you notice any of these signs, and put out the fire in the firebox, if safe to do so.
- Keep young children and pets away from the fireplace while it’s in use; purchase a fireplace screen, if necessary.
- Make sure you have working smoke detectors and carbon monoxide monitors properly installed inside your home.
High’s Chimney Service of Gaithersburg, MD, is here to help with CSIA-certified chimney sweep, chimney inspection and chimney and fireplace repairs. We’ll do the job right the first time to ensure safety for you and your family. Call us today at (301) 519-3500.
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Many homeowners depend on
It produces a lot of smoke
If you use a wood-burning fireplace, beautiful fires should be expected every time you fire up. So should the production of creosote. You can’t burn wood without creating at least some of this flammable smoke byproduct, but you can keep creosote buildup inside your chimney at minimum levels.
“Chimney sweep” is the common name for people who clean chimneys. The best chimney sweeps hold professional industry certifications such as Master Chimney Sweep and Certified Chimney Sweep, designations given by the Chimney Safety Institute of America. Always look for industry credentials when hiring someone to clean your chimney.
A lot of times when fires in a fireplace are less than spectacular – when they’re too smoky, don’t last very long, produce excess soot and creosote – it’s not the fault of the fireplace. Often, the only problem is the wood that’s being used.
Logs stored outside should be set on some kind of small riser/pallet to keep them off the damp ground. Cover the stack with a waterproof tarp, but leave the ends open so air can circulate within the logs and aid in the drying process.
When the weather turns colder, cozying up to the warmth of a crackling fire in the fireplace is something many homeowners enjoy. But not everyone looks forward to lighting it. If this sounds like you, then you’re in luck. The following guide will show you the right way to light a fire in the fireplace and keep it lit.
Warm up the flue. You can light your fire without warming the flue, but you could experience a draft where smoke may flow back into your home. To warm the flue, light some rolls of newspaper and hold them up inside the flue for around ten to fifteen seconds. It will also reduce air pressure, and oxygen will flow more smoothly.

When a fire burns in your fireplace it constantly produces soot and creosote and deposits them into the chimney flue. Soot is merely carbon, harmless unless it’s allowed to buildup and cause an obstruction. Creosote is produced when organic materials are burned and is made up mostly of tar, a sticky, flammable substance. It builds upon itself until a significant buildup occurs, slowing the flow of air through the flue. As efficiency drops, the buildup worsens and hot air begins to stall in the system. As temperatures increase, the creosote boils and the water evaporates leaving a concentrated, hardened mass when the creosote cools. This buildup called “glazed creosote” is highly flammable, obstructs airflow, and is difficult to remove. Because of this, creosote should be removed before it reaches 1/8 inch in thickness. A standard chimney sweep can remove creosote, but glazed creosote requires a special industrial solvent that transforms the creosote as it’s absorbed.