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How does a fireplace work?

Whether that provides ventilation for homes, stoves or wood pellet stoves, fireplaces are designed to bring the smoke out of your home and release it into the atmosphere. In some cases, the smoke coming from the top of a chimney is a sign of normal operation. In other cases, such as the smoke out of the chimney inside your home can be a sign of a serious problem.


When a fireplace is working properly, will release the smoke out, the purpose of the fire, including external and internal layer of masonry, his cloak covered, is to provide ventilation for the byproducts of burning wood, oil and gas. Depending on the type of fuel you use, you’ll see a consistent reasonable amount of smoke escaping from the top of your chimney and drifting.

Down draft

If your chimney smokes free base rather than the top, letting the smoke from entering your house where the chimney meets the stove or through the home, it may be due to the down draft. This occurs when high winds alter the air pressure in your chimney, causing a downward air flow which is more powerful than the tendency of the smoke to rise. A chimney cap or a fan can avoid the down draft blocking the effects of wind or offering additional force out, respectively.

Open fires

Chimney fires occur when soot that covers the inside of the chimney eventually catches fire due to hot air rising from it. A chimney fire can result in extraordinarily thick, dark smoke coming from the top of your chimney. You can also smoke seeping into the interior of the chimney bricks, filling your home or attic with smoke. In some cases you will see the flames coming from the top of the fireplace, or you could hear from inside your home. If you notice that the fire seems to indicate a chimney fire, immediately call your fire department.


Like other types of vents, chimneys can be locked. This can make emit smoke inside your house, either through cracks in the bricks or through your fireplace or stove. The blockage may come from the accumulation of snow on your roof, dirt inside the fireplace or something that covers the top of the chimney, like a bird’s nest. To avoid this kind of smoke, clean your fireplace and make sure your cover enough about your roof is raised to prevent snow and ice cover it. Install a cover mesh to prevent animals from installing and protects the chimney of the accumulation of dirt.