Ethanol Fireplaces Ethanol fireplaces don't require chimneys, flues, or gas lines, which makes them ideal for installation in apartments and condos. Vent-free fireplaces are available in tabletop, wall-mounted or freestanding models. They also do not produce smoke or ash, and need minimal maintenance. Find out more about ethanol fireplaces. 1. https://fireplacesandstoves-uk54218.isblog.net/12-facts-about-bio-ethanol-fireplace-to-make-you-seek-out-other-people-47432536