Do I Need A Chimney Liner For A Gas Fireplace

Aluminum liners are very durable but are only suitable for gas fireplaces.

Do i need a chimney liner for a gas fireplace.

It s not 100 percent required all the time. Clay tile cast in place and metal liners. In the case of vented gas logs they require a function code compliant chimney system. One for an oil furnace it s nice if it s lined.

Gas venting basics most homeowners are aware of the need for chimney cleaning and inspection if they own a wood burning stove or regularly use their fireplace but many don t realize that a gas heating appliance whether it is a furnace boiler or even a hot water heater also relies on the chimney for proper venting of the exhaust. A fireplace chimney should always be lined. Even one small crack in the liner can cause a house fire. No you don t need a masonry chimney but for your most efficient gas units you will need a venting system though it does not always require venting through your roof.

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. A chimney liner prevents the transfer of heat to combustible components of a building which surround the chimney. Do you have questions about your chimney and whether it needs a new liner. One test showed that the heat in an unlined chimney caused the adjacent woodwork in a home to catch fire in just 3 hours.

Another type of chimney liner is the aluminum liner. Both of these types of fuel generate heat through combustion and produce dangerous byproducts like carbon monoxide that must be properly vented typically through a chimney. The liner helps guide the combustion by products out and away from the chimney. I would not use one if it wasn t lined.

A chimney professional can answer your questions and schedule an inspection for your home. One of the main reasons why you need a chimney liner is because the liner provides extra protections to the chimney and fires are less likely to happen. I mean my house has got had an oil furnace for many years and never had a lined chimney. The vast majority of homes heat their air and water using oil or natural gas.

There are three main types of chimney liners. Many ventless options may not require a chimney to exhaust the byproducts of combustion but some gas log sets still use and may require an existing chimney to dissipate the heat generated by burning. They retain the heat well and keep your chimney walls protected. But my furnace company checks the furnace every year i don t need a chimney inspection.

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.