Do I Need A Chimney Liner For A Gas Furnace

Liners can help direct gases up and out of your flue so your system works better and faces less decay and deterioration.

Do i need a chimney liner for a gas furnace.

One for an oil furnace it s nice if it s lined. This is extremely important and serves various purposes properly sized chimney flue. I would not use one if it wasn t 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.

The liner size is the number one factor for the appliance to burn properly. If you have a newer home with a skinny metal chimney flue these are typically already small enough for higher efficiency furnaces. Do you have questions about your chimney and whether it needs a new liner. What type of furnace do i have.

If it is older and not very efficient you most likely do not need a liner. The metal liner also ensures a seamless connection between the exhaust pipe and the chimney itself. If you have an older home with a wide brick chimney you. A fireplace chimney should always be lined.

What type of chimney do i have. When hot combustion gases enter the chimney they don t lose much heat they re still hotter than the surrounding air. Choosing the correct size liner for your appliance is crucial to ensure your appliance or stove is running properly. You deserve to get the most from your appliance.

Not so with the other chimney. That being the case they easily vent out of the chimney and away from the home. I mean my house has got had an oil furnace for many years and never had a lined chimney. 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.

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. 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. It s not 100 percent required all the time. A stainless steel chimney liner that is properly sized for the stove furnace or fireplace will maintain or improve the venting performance draft.

A properly sized chimney liner. The chimney liner should never be undersized for any appliance especially to accommodate insulation around the liner.