Question: Does Rasmussen offer either FireBalls, FireShapes or FireStones as a vent-free set?
Answer: Not at this time. FireBalls, FireShapes and FireStones are only for use in fully vented wood-burning fireplaces.
All vent-free gas log sets must be certified to the national unvented heater standard, ANSI Z21.11.2. The most restrictive of all gas appliance standards, it allows the least amount of Carbon Monoxide (CO) (200 ppm air free) of any gas burning appliance. By contrast, the standard for a kitchen range, which is also an unvented appliance, allows up to 800 ppm air free.
The ANSI Z21.11.2 standard also requires that all vent-free heaters be equipped with an Oxygen Depletion Sensor (ODS). By the ANSI standard, vent-free gas log sets must be designed so that they do not produce soot. .
Initial certification testing is extremely rigorous and very costly. We are also subject to unannounced inspections by our certification agency for all certified product. It costs approximately $25,000 to $35,000 to develop and initially certify a new vent-free set. Before we certify a set, we must be assured that we will sell sufficient quantity to cover our development and certification costs, costs of manufacturing, overhead and profit. Although FireBalls, FireShapes and FireStones have become more popular in recent years in our vented line, they still are at “novelty” levels of volume which do not justify the costs to produce them for vent-free.
Additionally, we will never be able to acheive the same "look" in vent-free as we can with a vented burner.
Please check our website from time to time. We may bring a vent-free FireBalls, FireShapes and FireStones set to market in the future. Never say never!
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