Ethanol Fireplaces Ethanol Fireplaces don't require chimneys, flues or gas lines. This makes them very easy to install, especially in condominiums and apartments. These vent-free fireplaces come in freestanding or wall-mounted models. They also require very little maintenance and produce no smoke or Ash. Learn more about ethanol fireplaces. 1. https://fireplacesandstoves66553.activoblog.com/31106353/11-faux-pas-that-are-actually-ok-to-make-with-your-bio-ethanol-fireplace