Like a built-in gas fireplace, an insert can be fueled by natural gas or propane and is tied into your home’s existing gas supply line. Gas fireplaces, including inserts, can be direct-vent or ...

Inserts can be fueled by natural gas or propane, and are tied into your home’s existing gas supply line. There are two types of gas fireplace inserts: direct-vent and ventless Direct-vent ...