B149.1, B149.2 and Venting sub-committee member A CSIA Certified Chimney Sweep can properly evaluate, size, recommend and install the appropriate chimney liner for your home heating equipment. Older, less efficient furnaces release steam that is up to 700 degrees Fahrenheit. If the preponderance of evidence points to relining, you've got some choices to consider. And neglecting to clean your oil furnace can lead to … Without a stainless steel chimney liner, these harmful by-products will eat away at the mortar joints and cause serious damage to your chimney. Gary Sprague is a master plumber with more than 25 years of experience. A properly-sized chimney liner protects against fire by providing a proper draft for your furnace, thus controlling the amount of heat moving through the chimney. If you need to convert round liner dimensions to oval or rectangular, try our Liner Shape Calculator.For ordering multiple sections of liner/pipe, try our Chimney Liner and Flue Pipe Length Calculator. A chimney-sweep we’ve used in the past thinks we should get the flue cleaned every year to the tune of $250 a pop. However, since the temperature of the steam they produce is drastically reduced to about 400 degrees Fahrenheit, they do not need the large cavity of the chimney. If you have an older home with a wide brick chimney, you may need a liner … I mean my house has got … had an oil furnace for many years and never had a lined chimney. A fireplace chimney should always be lined. Chimney Liner Depot: Cleaning an Oil Furnace Chimney, Ultimate Chimney Sweep, Inc.: FAQ's about Chimneys, Caps and Critters. Furnace technology has advanced significantly in recent years, raising concerns over chimney use. Depending on the size of the existing opening, and what is need for the new boiler, and the new lower stack temperature, I would probably recommend a chimney liner. As their name suggests chimney liners line the inside of the chimney. If you have a newer home with a skinny metal chimney flue, these are typically already small enough for higher efficiency furnaces. What type of chimney do I have? People often get a steel liner to upgrade from their old clay or ceramic one. Now you will need to head into the house to finish connecting the tee. Cracked masonry should be addressed from an energy-savings perspective -- a lot of air could be escaping from your home, depending on where the damage to the chimney is located -- but it's not likely to be a fire hazard. All in all, building codes may prevent technicians from using your chimney to vent a furnace anyway. This is where chimney liners become necessary. They are made out of metal and they reduce the size of the chimney space, so that the steam can fill it up. If you have a clay tile chimney, you do not need a liner. Now consider another hom… The combustion of fuel from an oil furnace creates a corrosive by-product of unburned carbon and sulfur commonly known as soot. The thimble is referred to as the hole on the side of the chimney in the living space that allows stove pipe to attach to the chimney. • Improperly sized liner. We guarantee that our technicians verify cracks and voids in heat exchangers during their inspections. This chimney rule can be applied to wood burning fireplaces, heating stoves and any oil fueled appliances, but remember that manufacturer requirements have to be incorporated into it. A liner can also be bypassed when installing a high-efficiency or tankless water heater — which, like a high-efficiency furnace, can be vented directly out a wall instead of through the chimney. Additionally, do you need a chimney for an oil furnace? Nearly all of the chimney is contained within the home (and, therefore, inside the building envelope). The best time to clean an oil furnace chimney should be done after the heating season such as spring time or right before the heating season begins. Steel chimney liners will keep your chimney … The fuel used in an oil furnace creates an oil mist. This can lead to acid seeping in through the mortar to the detriment of the chimney. A properly-sized chimney liner protects against fire by providing a proper draft for your furnace, thus controlling the amount of heat moving through the chimney. This handy guide is provided to assist you in choosing the right size and type of chimney liner for your home. A lot of homeowners are unaware of chimney problems. Many chimneys constructed into homes in our area are quite old, which means they do not have the proper lining to vent a furnace (or even to safely use with a fireplace). If water has made its way into your oil flue, the tile liner can crack or crumble. If it is a high efficiency 90% AFUE and above, these systems have a completely separate ventilation system apart from the chimney, so a chimney liner is not necessary. Please call us if you have any questions or need further assistance. If your chimney does have a liner, another reason you may need to reline is because it is defective. The chimney guy is the right guy to use! So, perhaps you do need a liner or not. This high heat needs the entire space of a chimney in order to escape out the opening. If we find that our initial report of a cracked heat exchanger in your old furnace was wrong, your new furnace and its installation are free. What type of chimney do I have? His articles have appeared in many online and print publications. Both times, it was fallry easy and the liner went down the chimney in less than 15 minutes. In addition to special inspections on the chimney and liner, the oil-to-gas conversion work itself must undergo inspections by the DOB to ensure it meets code. We have oil heat in our home, and the furnace vents through the house’s only chimney. Advantages: If properly installed and maintained, metal chimney liners are extremely safe and durable.Stainless steel is suitable for wood-burning, gas, or oil appliances, while the aluminum is an inexpensive alternative for certain medium efficiency gas applications only. There are several reasons for this furnace-chimney incompatibility. Liners can help direct gases up and out of your flue, so your system works better and faces less decay and deterioration. I'm having my chimney cleaned soon and asked the girl making the appointment, if they could replace my cap with one that keeps most rain out of the chimney. If you have an oil-fired furnace, not only should you have your furnace inspected every year, you also need to have the chimney inspected and cleaned annually, because oil’s by-products of combustion can be very volatile and corrosive. Does your home need a chimney liner? Do I already have a chimney liner? For optimal use and safety, a liner is needed when installing a new heating system, furnace, boiler, or water heater. And a properly-fitted chimney liner allows an oil furnace to work more efficiently, saving money on fuel. Metal chimney liners, usually of stainless steel or aluminum, are primarily used to upgrade and repair existing chimneys. The DOB's plumbing division inspects the gas piping and gas meter room, and the boiler division the boiler, burner, and related equipment. Local codes and the International Fuel Gas Code require proper venting and chimney liners for flue gasses to be vented into the outdoor atmosphere. The first home contains a mostly internal chimney. Does my chimney need a liner? Water Heaters and Oil Furnaces For Hot Water Heaters and Oil Furnaces the ideal diameter of the liner needed to vent your appliance is the size on your unit. A home’s chimney has multiple purposes. As a result of changing technology, many existing masonry chimneys aren't able to meet the specific demands of new furnaces. A liner is required by our code. If it is a high efficiency 90% AFUE and above, these systems have a completely separate ventilation system apart from the chimney, so a chimney liner is not necessary. If insulation is required, the installer may choose to wrap the liner as it’s being installed, or use a pour-in liner that flows into place and hardens. If you have a newer home with a skinny metal chimney flue, these are typically already small enough for higher efficiency furnaces. Because when the steam of higher efficiency furnaces does not take up the entire space of the chimney moisture can build up. For example, if it has a 6" opening where the pipe is to be inserted, that is the ideal size liner you need. For more information about the uses or the installation of chimney liners, please contact Flame. Stainless steel chimney liners are extremely durable and perfect for wood-burning fireplaces and gas furnaces and water heater appliances. To check, look at the top of your brick chimney flue. Since most of us no longer use fireplaces to consistently heat our homes, did you ever wonder what the chimney was for other than giving Santa a way in? However, if you're not using your fireplace and your chimney acts solely as a vent for your furnace or water heater, you may not need to have a liner installed. Can a Gas Stove Be Vented Through a Fireplace Chimney? I have helped install a chimney liner on two occasions. One for an oil furnace … it’s nice if it’s lined; it’s not 100 percent required all the time. The standard piping used to ventilate new furnaces should do just fine. Homeowners with gas or electric inserts most likely do not need a new liner because those types of fuel don't produce enough heat to damage a masonry chimney. Imagine two different homes, each of which has a furnace that vents into a chimney. Now, why is this necessary? Yes, they are still used as a ventilation system for the occasional fire, but typically they have a more important job than that. One of the most common questions asked on the HETAS Consumer Helpline is Do I need my chimney lined? Without a chimney liner, corrosion can cause your chimney to deteriorate and allow harmful gasses such as carbon monoxide to seep through into your living space. Most find out after the chimney clogs or the interior of the clay liner or brick has cracked or collapsed. If it is older and not very efficient, you most likely do not need a liner. But you probably need one anyway. And a properly-fitted chimney liner allows an oil furnace to work more efficiently, saving money on fuel. Especially if you're firing a new, properly sized (from a heat loss) boiler. However, if you're not using your fireplace and your chimney acts solely as a vent for your furnace or water heater, you may not need to have a liner installed. Age and use can open cracks in tiles, and combustion gases combined with rain will erode parging and masonry joints between bricks or stones. If going to a Smooth Wall liner, it will additionally improve your draft by up to 20% for gas and up to 15% for oil burning appliances. First, the size of the chimney can be an issue. A stainless steel chimney liner that is properly sized, for the stove, furnace, or fireplace will maintain or improve the venting performance (draft). Not take up the entire space of the most common questions asked on the efficiency of your furnace the... Chimney does have a liner depending on the HETAS Consumer Helpline is do i need my chimney where connects... 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