Do I Need A Chimney Liner For A Gas Furnace

The liner size is the number one factor for the appliance to burn properly.

Do i need a chimney liner for a gas furnace.

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. If you have a newer home with a skinny metal chimney flue these are typically already small enough for higher efficiency furnaces. A stainless steel chimney liner that is properly sized for the stove furnace or fireplace will maintain or improve the venting performance draft. 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.

If you have an older home with a wide brick chimney you. I would not use one if it wasn t lined. If it is older and not very efficient you most likely do not need a liner. You deserve to get the most from your appliance.

Do you have questions about your chimney and whether it needs a new liner. 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. A chimney professional can answer your questions and schedule an inspection for your home. What type of furnace do i have.

I mean my house has got had an oil furnace for many years and never had a lined chimney. A properly sized chimney liner. It s not 100 percent required all the time. Not so with the other chimney.

What type of chimney do i have. The chimney liner should never be undersized for any appliance especially to accommodate insulation around the liner. 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 fireplace chimney should always be lined.

That being the case they easily vent out of the chimney and away from the home. 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. The metal liner also ensures a seamless connection between the exhaust pipe and the chimney itself.

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. One for an oil furnace it s nice if it s lined.