You'll find just about any style, from Italian Renaissance to Victorian to High Modernism-even Southwest kiva fireplaces that look perfect your pueblo. Excess air is expressed as a percentage of the amount of air theoretically needed for combustion. We just installed one of those portrait propane stoves our soon-to-be-finished bedroom. If CSST is present, a licensed clean a gas fireplace valve can install a bonding device, which reduce chances for natural gas leaks or fires to occur the event of a lightning strike. To make this possible, our signature line of ventless fireplaces are able to burn clean and hot, giving off fewer chemicals and meaning that even if you 't have a chimney, they still work for you.