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Hearthfalls manufactures interesting "fireplace waterfalls" that are unlike anything you may have seen before (less, of course, fireplaces and waterfalls). The concept is simple - a waterfall runs within a fireplace immediately in front of the flames to produce a visually interesting piece of art that also offers the soothing sounds of flowing water. Whether or not this will work for people is still to be determined, as the unique design is sure to dichotomize opinion, as any such departure from the traditional would.

Hearthfalls also offers some less expensive "Lightweight " units. The Lightweights are waterfalls made for retrofitting existing fireplaces.

Try to visualize one in your home with the company's interactive fireplace and room designer or just view the existing installations in the gallery here.]]> http://www.househacker.com/permanent/Waterfall-Fireplaces-by-Hearthfalls GelFireplaces.com carries a few really nice flueless fireplaces that are fuelled by a clean burning alcohol gel, resulting in a smoke-free fire.

From the site:

Gel Fireplaces holds three fuel cans, each container burning approximately three hours and, because there is no flue, all the heat is projected into the room. ]]> http://www.househacker.com/permanent/Alcohol-Gel-Fuelled-Flueless-Fireplaces in-wall fireplaces that look less like fireplaces than art, and Canada's ThermArt is no exception - in fact they make some of the nicest specimens, if you ask us. The company lists five models on their website: the Teardrop (pictured), Quote, Flow, Bouquet and Clarity. Be sure to check out their installation gallery, available for your surfing pleasure.

If you reside in Europe, Safretti produces similarly stunning units.]]> http://www.househacker.com/permanent/More-Gorgeous-In-Wall-Fireplaces-by-ThermArt EcoSmart produces these unique, flueless fireplaces that can be installed essentially anywhere, as they do not require any sort of permanent fixture or fitting. The company makes many different 'shells' that house the actual burner unit which operates using a green fuel. From the site:

The EcoSmart Fire is fuelled by a renewable energy source called Denatured Ethanol. Ethanol is an absolute alcohol, produced by the fermentation of sugars originating from agricultural and forestry products; mainly sugarcane, potatoes, bananas, beetroot and recently from cereals such as wheat.

What are EcoSmart Fires? The EcoSmart Fire is a new, innovative style of open fireplace. It is environmentally friendly, aesthetically appealing, efficient and cost effective. The modular design means it is versatile enough to fit into a wide range of architectural environments. Whether installed in a loft, studio, apartment, terrace house or freestanding home, the EcoSmart Fire provides the 'primal' warmth and comfort of fire while enhancing the contemporary aesthetics of today's living environments. In essence, it is designed to be an inspiring, mobile 'piece of furniture'.

And yes, according to the FAQ, the fireplaces do indeed produce heat (about 13000BTU's worth).]]> http://www.househacker.com/permanent/Beautiful-Environmentally-Friendly-Flueless-Fireplaces-by-EcoSmart candle wax and stuffed the mixture in an old cigar tube to create a one of a kind product - Java Log. The Java Log burns cleaner and brighter than other manufactured logs, is easier on the environment, smells nice, manages to leave less soot buildup in the chimney, and, according to the FAQ, "has about 25% more energy than wood and triple the flame per unit of energy."]]> http://www.househacker.com/permanent/Java-Log-is-Recycled-Coffee-Grounds Firewall Flueless' lack of a heat-liberating chimney like those found in conventional gas fireplaces. There is also an added environmental benefit in that the warm air the unit exhausts is cleaner than the air it takes in! ]]> http://www.househacker.com/permanent/Beautiful-Wall-Mountable-Flueless-Fireplace