Ethanol Fireplaces Ethanol Fireplaces don't require chimneys, flues or gas lines. This makes them very easy to install, particularly in condominiums and apartments. Vent-free fireplaces come in tabletop, wall-mounted or freestanding models. They also require minimal maintenance and produce no smoke or Ash. Find out more about ethanol fireplaces. 1. https://fireplaces-stoves57777.thenerdsblog.com/35836705/the-leading-reasons-why-people-are-successful-in-the-bio-ethanol-fireplace-industry