Safety is one of the major issues and concerns of home owners who have fireplaces in their houses. Traditional or old style fireplaces give out so much emission and can sometimes be fire hazards. Although ventless fireplaces are said to be emission free, they are still combustion based fireplaces thus, emissions are still present although in a small and unnoticeable level.
The first reason why many fireplace owners tend to have negative results is because they have installed a fireplace that is not suitable for the room where it was put. Every unit has a minimum room size requirement. If you install a fireplace in a room that is smaller than its minimum size requirement, chance is that you will have problems with emission build up and depletion of oxygen inside the room. Some home owners prefer electric fireplaces rather than traditional or ventless fireplaces to rid of venting and chimney installations and issues. This type of fireplaces use simulated flames and heater that gives the effect just like a real fireplace.
Whether you what you have is a traditional masonry, ventless or electric fireplace, there will always be a safety concern about it. The best way to avoid this is the proper maintenance and cleaning of your fireplace. Also, you should never leave your fireplace running without an adult present in the room as unattended fireplaces can be as much as a safety hazard as an open fire.