How to Replace a Gas Fireplace Insert?

Gas fireplace inserts are an excellent choice for homeowners who want to save money and energy while enhancing the look of their homes. In addition, a gas-fueled fireplace is much cleaner than a wood-burning model because there is no smoke and soot to clean up. 

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The process of replacing a gas fireplace insert can be difficult and requires professional assistance, but it doesn’t have to be overwhelming. Using the following tips, you can make the installation a breeze and ensure your new unit is properly installed. 

Start by removing the existing insert from your fireplace, which will require some effort. Remove the door, screen, and any other parts that need to be removed. Then, carefully unhook the gas line. Pulling too hard may damage the hookups or the chimney. 

Before removing the old insert, measure the depth and width of your fireplace opening to determine what size gas insert you need. You should be able to use this information when you’re shopping for a replacement. 

Choosing a Pro to Replace Your Fireplace

The first step is to find a local gas fireplace insert specialist who can perform the work. It’s best to choose someone with experience installing gas fireplaces and who is NFI (National Fireplace Institute) certified. This will help you get a good quote and avoid costly mistakes and repairs down the road. 

You should also ask about their work ethic and whether they are experienced in working with your specific type of appliance. This will help you find a reputable and trustworthy contractor who is willing to handle your project from start to finish. 

Installing a Gas Fireplace Insert

In order to install your new gas insert, you will need to run a new line from the source of the gas to your house. This can be done through a vent pipe or through the roof, and will depend on where your house is located. A professional will know the best way to connect this new line to your gas supply and install the insert safely. 

Adding a Chimney Liner

If your chimney is not rated for a gas fireplace, you will need to have a stainless steel chimney liner installed before bringing in the insert. This will ensure that the insert and chimney are built correctly and will prevent the release of carbon monoxide and other dangerous byproducts. 

A stainless steel chimney liner is a round, continuous tube of stainless steel that fits through your existing chimney and connects to the insert. UL-listed chimney liners provide the proper clearances between the insert and the existing chimney, allowing byproducts to vent out of the house safely. 

Depending on your needs, the gas fitter will then install the new insert and liner. They will also run any electrical wiring and the gas line needed for your new insert. 

Removing an Existing Insert

To remove your old insert, you’ll need to disconnect the gas line and remove the hookups. You should try to do this without damaging the line, but if you are having trouble, a wrench or other tool might be necessary.