Direct Vent Gas Fireplace Through Existing Chimney

Rather you can run a special vent to the outside through an exterior wall.

Direct vent gas fireplace through existing chimney. Be sure to read them carefully because they might differ slightly from what we show here. This process is simple and fire safe as long as you follow the manufacturer s directions. However the glass doors enhance the conversion of most of the fuel into usable heat preventing significant heat loss. This type of fireplace has a completely sealed combustion chamber which allows it to vent directly out a side wall of the home.

For the diy guy here is how to install a gas fireplace insert with a chimney liner. The first thing i do is clean the chimney. A direct vent gas fireplace doesn t need a chimney. The heat generated remains inside the room rather than vanishing through the chimney.

Next i will remove the firepla. Unlike traditional fireplaces which need a flue through the roof gas fireplaces are vent free. Direct venting uses a power ventilating blower or fan and in some models a heat exchanger plenum to cool outgoing gases passing through the building wall sidewall direct exhaust or roof or through an existing unused chimney through which a vent pipe is passed vertical direct exhaust. A gas stove can be vented through an existing chimney whether it is a manufactured or masonry chimney.

The fans preinstalled in the insert control the amount of heat entering the room. Gas fireplaces burn natural gas and propane just like a traditional wood fireplace. Alternatively you can possibly knock a hole in the back of your chimney and just go out the side if you d prefer more labor but less flue inserts you d need to purchase. Hard to say without seeing it but typically you can use the existing flue provided you add the proper direct vent chimney insert for your particular gas fireplace.