Ethanol Fireplaces Ethanol fireplaces do not require chimneys, flues, or gas lines, which makes them easy to install in apartments and condos. Vent-free fireplaces are available in tabletop, wall-mounted or freestanding models. They also don't produce smoke or ash, and need little maintenance. Find out more about ethanol fireplaces. 1. https://fireplacesandstoves-uk65319.oblogation.com/29717618/pay-attention-watch-out-for-how-bio-ethanol-fireplace-is-taking-over-and-what-to-do-about-it