Published at Saturday, September 15th, 2018 - 23:07:17 PM. Fireplace. By Christiane Elssler.
The benefit to a ventless gas log fireplace outdoors is convenience and cost. The process of building proper ventilation and a chimney can often double the expense of custom fireplaces indoors or outside. Convenience is the ability to create a perfect flame pattern as easily as turning on a barbeque grill. Many gas log fireplaces have complex valve options that allow variable remote controls that alter flame height, on/off remotes, wall switches and thermostatic controllers that turn the fireplace on and off based on the temperature read at the thermostat. I do not recommend any of these valves in your backyard. A manual safety pilot kit has a standing pilot light that stays on always. As long as the pilot is burning, the fireplace can be controlled with a simple control knob. A couple of decorative ceramic pinecones or wood chunks hide the controls. Remotes, wall switches, thermostatic controls and other valves use batteries. Even a gas log fireplace that is under an overhang will be affected by moisture in the air. Here in Florida where humidity is tremendous, a battery operated valve will corrode within a year in most backyards.
For instance, a homeowner decides to build a marble mantle seven feet wide and four feet high. The budget takes into account the marble tile to finish the design and the firebox, structural materials to build the fireplace and labor. Most people do not look at a chimney and think "Wow, that is a great looking chimney" so we do not always account for the ventilation when we design our perfect outdoor accent. The ventilation cannot be skipped just because there is plenty of ventilation outdoors. The proper flue will "pull" the fumes and smoke up and away from the fireplace. Without the vent gas fumes will flow from the front of the fireplace and the area usually reserved for sitting in front of the fire will be hot and smelly. The homeowner contacts a contractor who explains the chimney, flue and roof termination will double the budget.
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