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 require little maintenance and do not produce smoke or Ash. Learn more about ethanol fireplaces. 1. https://fireplaces-and-stoves-uk00878.wizzardsblog.com/30205526/10-facts-about-bio-ethanol-fireplace-that-will-instantly-put-you-in-a-good-mood