Do I Need A Chimney Liner For A Gas Furnace

If you have a newer home with a skinny metal chimney flue these are typically already small enough for higher efficiency furnaces.

Do i need a chimney liner for a gas furnace.

One for an oil furnace it s nice if it s lined. A chimney professional can answer your questions and schedule an inspection for your home. The chimney liner should never be undersized for any appliance especially to accommodate insulation around the liner. What type of furnace do i have.

Not so with the other chimney. You deserve to get the most from your appliance. A fireplace chimney should always be lined. A properly sized chimney liner.

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. The liner size is the number one factor for the appliance to burn properly. When connecting a new regular type known as category 1 type gas appliances furnace water heater with efficiency slightly below 83 old chimney flue size might need to be decreased with a new liner. This is extremely important and serves various purposes properly sized chimney flue.

Liners can help direct gases up and out of your flue so your system works better and faces less decay and deterioration. 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. When hot combustion gases enter the chimney they don t lose much heat they re still hotter than the surrounding air. That being the case they easily vent out of the chimney and away from the home.

I would not use one if it wasn t lined. What type of chimney do i have. If it is older and not very efficient you most likely do not need a liner. It s not 100 percent required all the time.

If you have an older home with a wide brick chimney you. Draft efficiency when it comes down to it you need your furnace functioning as efficiently as possible to ensure you get the warmth and comfort you need this winter. Do you have questions about your chimney and whether it needs a new liner. I mean my house has got had an oil furnace for many years and never had a lined chimney.

Choosing the correct size liner for your appliance is crucial to ensure your appliance or stove is running properly. 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.