Ethanol Fireplaces Ethanol fireplaces do not require chimneys, flues or gas lines, which makes them easy to install in apartments and condos. Vent-free fireplaces come in tabletop, wall-mounted or freestanding models. They also require very little maintenance and do not produce smoke or ash. Learn more about ethanol fireplaces. 1. https://stove88753.collectblogs.com/75451832/12-companies-that-are-leading-the-way-in-bio-ethanol-fireplace