| Being there are several different systems to | | | | that is in the room. The air is drawn in the front |
| choose from, the decision of which gas fireplace | | | | of the gas fireplace, used for the combustion |
| venting system to use in your home can be a bit | | | | process. The used air is then returned outside of |
| overwhelming. The ventless gas fireplace, the B | | | | the room by a vent the is usually ran through the |
| vent or the natural vent, the direct vent will allow | | | | roof of the home and terminated just above the |
| for different options to be used. With all of these | | | | roof line, sort of like the furnace venting system. |
| systems, no chimney as used with the wood | | | | The system is more decorative then the direct |
| burning fireplace is needed. | | | | venting system but is also less expensive. |
| The ventless gas fireplace is just as it claims to | | | | The gas fireplaces direct vent is one of the most |
| be. No vent, chimney or flue is needed for this | | | | efficient systems of the gas fireplaces on the |
| fireplace. The air is drawn in from the front of the | | | | market today. The coaxial vent is what makes |
| unit and used for the combustion process. This air | | | | this system the most efficient. This is really a pipe |
| is then returned to the same room. Even thought | | | | within a pipe. The larger or the outer pipe draws |
| there are a few of the major manufactures that | | | | in the fresh air while the smaller or inner pipe will |
| does not produce the ventless gas fireplace, the | | | | remove the used air. The air being removed is |
| leading manufactures that will produce these units | | | | heated and will heat the new air as it is drawn in. |
| have developed a system to monitor the oxygen | | | | The direct vent pipe can be ran two different |
| levels in that room. If the level was to drop by a | | | | ways. Either horizontally through the wall or |
| mere 2 percent, the Oxygen Depletion System or | | | | vertically through the roof. |
| the ODS will terminate the gas to the fireplace | | | | A gas fireplace can add warmth and charm to |
| and shut it off. While all of the producing | | | | any home. Deciding what type of venting system |
| manufactures state the safety of the ventless | | | | is best for your needs and home decorating |
| units are not a problem, some of the states will | | | | before purchasing the fireplace can make for an |
| require a special permit for the use of these units. | | | | easier install as some people are not aware of the |
| There are a few states that will not allow the use | | | | different venting systems. It is important to |
| of the ventless gas fireplace, the majority of | | | | know which type of venting system you have |
| states see no safety issue. Check with your local | | | | before you purchase some of the gas fireplace |
| codes in your area. | | | | accessories such as the gas log fireplaces. |
| The B vent of the natural vent will use the air | | | | |