Table of Contents
Do you need a chimney liner for natural gas?
Wood and coal burning fuels must be vented in a separate chimney liner and not to be vented with Natural Gas, Propane or Oil burning fuels in a single chimney liner. Stainless steel or aluminum chimney liners are primarily used to upgrade and repair existing chimneys. They are extremely safe and durable.
Can I install a chimney liner yourself?
Yes it can – and will! While having your chimney liner professionally installed can be more convenient but ends up being costly, averaging anywhere from $2,500 to $5,000. With our DIY Chimney Liner Kits you will have all the components needed to reline your chimney and you wont break the bank!Jun 22, 2020.
Do I need a chimney liner for a 80 gas furnace?
Older, less efficient furnaces do not need a chimney liner. More efficient furnaces, such as those at 80% AFUE, use the chimney for ventilation as well. Conversely, the steam that they release has a much lower temperature at only 400 degrees Fahrenheit. Hence, the entire space of the chimney is not necessary.
What does a chimney liner cost?
The average cost to have a chimney lined by a professional is going to be about $2500. Depending on the type of chimney liner, it could cost up to $10,000. The average DIY chimney liner installation is going to cost about $750 and could cost as high as $3000 for the material.
What happens if you don’t have a chimney liner?
Chimney liners create a clear and direct path for smoke to exit your home safely and efficiently. Without one, your chimney walls will eventually deteriorate and contaminates will be able to seep through any cracks.
What kind of chimney liner do I need?
Stainless will always be the best option when it comes to performance, durability, safety and cost. A stainless steel chimney liner that is properly sized, for the stove, furnace, or fireplace will maintain or improve the venting performance (draft).
Do you have to insulate chimney liner?
It is always a good idea to insulate a stainless steel chimney liner. The insulation will enable the flue to heat up more quickly and to a higher temperature. This helps reduce the risk of having an inadequate draft. In addition, while the flue gasses stay hot, less creosote will form and less fuel will be wasted.
How much does it cost to install a stainless steel chimney liner?
The average cost of a stainless steel chimney liner is around $1,980 when installed by a local chimney professional. For do-it-yourself homeowners, expect to pay around $625 for a ready to install, 6″ x 25′ foot flue liner kit and DIY installation.
When should a chimney liner be installed?
There are three reasons you may need a chimney liner: Because your chimney has no clay tile chimney liner (older chimneys were often not lined when built) The clay tile chimney liner is damaged due to shifting, fire damage, or age- or use-related damage;.
Do you need a chimney liner for oil furnace?
An oil furnace needs a chimney liner. The purpose of any chimney liner, or flue, is to keep the smoke, fumes and toxic gases from penetrating the chimney mortar and entering the living space. The fuel used in an oil furnace creates an oil mist.
Do I need a chimney for a gas furnace?
Older gas furnaces frequently draft their flue gasses safely out of the home through a chimney. But a chimney can’t do its job and vent properly if it is too large for the appliances that are using it.
How long does a chimney liner last?
Average Lifespan of Chimney Liners The average lifespan of a chimney liner is 15 to 20 years. After two decades you will probably need to get the entire liner replaced to make sure it’s still up to code and not a serious fire risk.
Can you vent a furnace into a chimney?
Two or more appliances could vent into an exterior chimney, but design conditions must be appropriate along with appliance fuel input. Additionally, one of the appliances must have a draft diverter (natural draft system). A 90% furnace should never dump flue gases into a chimney.
Does a brick chimney need a liner?
Do brick chimneys need to be lined? Many older homes have unlined brick chimneys. They were built during a period when most building codes didn’t require them. Today, most building and fire codes require chimney liners, even if you have a brick chimney.
Can you vent a gas fireplace through a chimney?
A gas stove can be vented through an existing chimney, whether it is a manufactured or masonry chimney. To ensure proper venting, however, a liner must first be installed in the chimney. In a B-vent system, a substantial amount of heat is lost through the chimney.
Can I install a fireplace insert without a liner?
When an insert has no liner, or a partial liner, it cannot be cleaned in the normal way (by putting a brush into the chimney through the insert). Doing so would cause ash and creosote to fall behind the insert, where it would build up and potentially ignite.
Can a flue liner be installed upside down?
Yes all liners have a direction which they should be installed regardless if they have arrows printed/stamped on them or not. The liners are essentially two interwoven spirals of steel.
What size of chimney liner do I need?
When sizing a fireplace for a square or rectangular liner the 1/10 ratio should be used. This means that the area of the liner should be 1/10th of the fireplace opening. So in the example above where the fireplace had 1080″ of area, it should be divided by 10 which means a liner with 108″ of area is needed.
