Ethanol Fireplaces Ethanol fireplaces don't require chimneys, flues, or gas lines, which makes them easy to install in apartments and condos. These vent-free fireplaces are available in freestanding or wall-mounted models. They also do not produce smoke or ash, and require little maintenance. Find out more about ethanol fireplaces. 1. https://fireplace91111.blog4youth.com/30589488/what-is-the-reason-adding-a-key-word-to-your-life-can-make-all-the-difference