How to deal with Smoky Endings in generic Stoves | Benefits of using Chimneys

Here are some options if your stove doesn’t seem to be working after you have it started. (Note: Stoves that smoke when they are intentionally operated at low heat may be considered Erratic Smoking. There are different kinds of chimneys found in the market. Check out some of the top class faber chimneys for residential purposes and Inalsa kitchen chimneys for commercial purposes for better results.

Handling smoky endings is absolutely possible and easy with kitchen chimneys, especially the ones with advanced technology features. It is highly recommended for people to consider buying a chimney instead of using any alternative methods because the output is both safe and effective on multiple occasions. Not many people prefer going with natural ventilation because it could take a long time for you to remove smoke from the living environment. Chimneys can do the same job better than any other option because they are equipped with advanced technology features.

Exterior Chimney

Exterior chimneys are known for their tendency to smoke when the fire is too low. Chimneys that are built in the middle of a house keep the fires warm. However, chimneys located outside the house cool more quickly because they are exposed to colder weather. As the fire goes out and less heat is emitted, the draft weakens, increasing the risk of smoke spillage.

A cold chimney from the outside is often a contributing factor to stoves that smoke at the end of the fire. It is usually impossible to build a chimney inside the house, where it should have been. The draft from the cold chimney may not be as important if you can solve other issues.

Particular attention should be paid to sections about chimney height, flue size, and house that is depressurized.

Inadequate chimney height. 

For stoves and fireplaces, the rule for chimney height and the problems that can be caused by insufficient height are identical. See the section on insufficient chimney height, check for the Fireplace Problems section.

Over-Sized Flue

A larger flue is not always better for wood stove venting systems. A chimney flue that is too large requires more heat to keep warm and also cools faster than one that is properly sized. Large flues have lower flue gas temperatures, more creosote buildup, and less draft. This is because the smoke tends not to cool and condense in flues.

It’s easy to find the minimum and maximum chimney flue size for a wood stove.

Minimum Flue Size

The flue size must not exceed the flue collar of the stove. Remember that the flue collar on the stove is where the stove pipe connects. If the flue collar diameter measures 6″, then the cross-sectional area for the chimney flue must equal or exceed 6 inches.

Not all flue liners are rectangular or square

Many venting experts consider round flue liners superior to square or rectangle ones due to the peculiarities of airflow in vertical passageways, expansion factors, and chimney cleaning considerations. However, the most important factor in determining the minimum flue size is not the shape but the cross-sectional area. The stove collar size is the minimum size for the flue.

Maximum flue size

According to current codes and standards, the chimney flue should not exceed three times the area of the stove’s flue collar. Any chimney flue larger than three times the size of the stove’s flue collar will cause serious venting problems and potentially dangerous chimney fires.

What size chimney flue works best?

The chimney flue should be approximately the same size as your stove’s flue collar. The stove’s ability to tolerate a larger flue, and how large it can handle, will depend on what type of stove you have and how often you use it.

Notice: Do not exceed the maximum flue size as specified by codes applicable to your area.

Old, non-airtight stoves. Stoves like Franklin stoves, which have little control over the burner rate, can vent a lot of heat into the chimney. A chimney that is slightly larger than necessary may not pose a problem.

Air-tight stoves

Stoves that are airtight allow for great control over the combustion of air. They often vent a lot of smoke into the chimney at low temperatures. A large flue, regardless of its size, can cause smoke to move slower and cool faster. A flue should be approximately the same size as the stove’s collar. It is also important to know how to operate the stove at the right temperature. For more information on stove operation, see Tips for Wood Stove.

New stoves that are EPA-certified

New EPA-certified stoves emit less smoke and heat to the chimney. This reduces the risk of creosote buildup. However, the heat lost to the flue from the stoves is less.

Draft sensitivity ranges from very sensitive (for which even slightly oversized flues can be a problem) up to not at all sensitive (for whom an oversized flue won’t pose a problem). The catalytic models tend to be a little more draft sensitive than non-cats. However, there are exceptions.

You may have a stove that is EPA-certified and your chimney flue seems too large. Before you decide to change the venting system, ask your stove shop for feedback.

Re-lining the chimney flue with the right size liner is the best way to stop smoking.

Check for a description of the different types of liners that are available. Relining chimneys that are already insulated is usually done using cast-in-place or stainless steel.

A depressurized house

Insufficient air can cause smoking problems, particularly if the fire is too low. This reduces the heating venting into the chimney. This problem is similar to that of wood stoves and fireplaces. You can read the entire discussion in the Fireplace Problems section

Inadequate air space around the liner

Terracotta liner systems include an air space between brickwork and liner. Improper air space can cause problems similar to those associated with fireplaces and wood stoves. See the section on Improper Air Space in Fireplace Problems for a more detailed discussion.