Direct Vent Fireplace Venting Requirements

Standard for chimneys fireplaces vents and solid fuel burning appliances nfpa 211 reduces fire hazards by ensuring the safe removal of flue gases the proper installation of solid fuel burning appliances and the correct construction and installation of chimneys fireplaces and venting systems.

Direct vent fireplace venting requirements.

Fireplace inserts most are vented vertically through the roof via the existing chimney. 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 system. The vent terminal shall be at least 12 inches below 12 inches horizontally from or 12 inches above any door window. Not all fireplaces require venting and some don t require direct vent pipe but the best fireplaces do.

One of the benefits of this type of design is that it must draw air necessary for combustion from the outside since the sealed combustion chamber does not allow air to be drawn in from around the fireplace. Ok you need an exhaust system for your new direct vent gas fireplace. 5 tjernlund gas side wall power venters tjernlund corporation 1601 9th street white bear lake mn 55110 6794 tel. For most wood burning fireplaces with a single venting system the choice is simple.

Natural vent natural vent also referred to as b vent hearth products take in combustion air from inside the home and vent products of combustion outside home via a brick and mortar chimney or pipe venting system installed through the roof. It typically has a 1 inch clearance when it is run vertically but when it is run horizontally the clearance requirements vary. With the vent route and appliance selected check your list of venting components. Class a chimney usually has a 2 inch clearance to combustibles and a type b gas vent normally has 1 inch clearance.

Vent pipe for a direct gas fireplace is unique. You can finish it with drywall or some other material. The exhaust vent terminal shall. If the vent remains inside the home you can conceal the system using a framed enclosure.

Pellet stoves most are vented horizontally directly through the wall to the outdoors. Wood fireplaces and stoves venting must be terminated to the outdoors vertically. Direct vent fireplaces are best for newer more air tight homes. Electric fireplaces no venting is required.

Also see more citations at references at the end of this page. Ideally you d want to route the vent pipe to the corner of a room or in a closet to avoid its visibility. Sources of direct vent gas fireplace clearance information. The exhaust vent terminal shall be located at least 3 feet above any forced air inlet located within 10 feet.

Direct vent is a term used to describe a specifically designed fireplace that performs differently from the traditionally vented fireplace which use a chimney.