Venting Gas Fireplace Through Roof
Wood fireplaces and stoves venting must be terminated to the outdoors vertically.
Venting gas fireplace through roof. When the vent is withdrawing air from the house it expels the gas outside through the vent. With vented fireplaces the flames can run through around and over the logs creating a more chaotic and realistic appearance. This type of venting doesn t usually have offsets. Pellet stoves most are vented horizontally directly through the wall to the outdoors.
Ventless gas fireplaces differ from vented gas fireplaces in terms of the logs flame patterning and most notably the method of venting. In fact 90 of gas fireplaces are sold direct vent because of their increased safety efficiency and versatility source. Direct vent pipe for gas fireplaces and stoves in sizes 4x6 5 8 4x7 5x8 8x10 etc. Vented gas fireplaces.
Rather you can run a special vent to the outside through an exterior wall. Simpson dura vent napoleon wolf steel flex vent termination kits etc. The term unvented ventless or vent free is applied to hearth appliances that burn gas natural gas or propane and do not require any kind of. In terms of versatility you can vent a direct vent fireplace horizontally or through the roof.
Ok you need an exhaust system for your new direct vent gas fireplace. Also known as the type b this vent is operating on the natural air convection. This structure generally uses the furnace vent pipe through roofbecause the b venting pipe is designed in vertical manner. The measuring process is straightforward for a vent system routed through a chimney.
Simply measure the distance from the top of the as installed appliance flue collar to the as built height of the chimney chase. Not all fireplaces require venting and some don t require direct vent pipe but the best fireplaces do. They can be installed almost anywhere. You can find some of these fireplaces here if you re looking for a vent free option you can find some great options here yes the best fireplaces on the market generally use a direct vent venting.
Before we discuss the particulars about choosing the correct venting components we must first acknowledge the emergence of the vent free hearth appliances over the last few decades. Be sure to read them carefully because they might differ slightly from what we show here. 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. Direct vent gas fireplaces most are vented to the outdoors horizontally directly through the wall but they can also be routed vertically through the roof.