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from This Old House

All About Gas Fireplaces

A gas fireplace doesn't produce smoke or odors, but its flames do create pollutants, such as carbon monoxide and nitrogen and sulfur oxides. Vented fireplaces send these emissions outside, while vent-free ones direct them into your living quarters. | Illustration: Rodica Prato


A small, but mighty vent free gas fireplace is the Napoleon WHVF24 Plazmafire. Being less than 33 inches wide, it will fit practically anywhere.