Ethanol Fireplaces Ethanol fireplaces don't require chimneys, flues, or gas lines, making them easy to install in condos and apartments. Vent-free fireplaces are available in tabletop, wall mounted or freestanding models. They also do not produce smoke or ash, and need little maintenance. Find out more about ethanol fireplaces. 1. https://fireplacesandstoves-uk65319.qodsblog.com/30054684/what-s-the-reason-nobody-is-interested-in-bio-ethanol-fireplace