| As the name suggests, ventless gas heaters are | | | | infrared waves. They are the oldest heating |
| room-heating furnaces that do not let the air to | | | | systems available and the basis of all heating |
| vent outside a room. Ventless heaters are a hot | | | | systems. |
| favorite among the consumers these days, as | | | | * Gas Logs - Unvented gas logs are designed to |
| they are much more efficient than the traditional | | | | produce an extremely hot flame, which |
| heating systems. They do not lose heat, as there | | | | completely combusts the fuel. This decreases the |
| is no outside air exchange. In other words, they | | | | levels of carbon monoxide and soot that is |
| take the oxygen from inside the room for the | | | | produced by other gas logs. |
| process of combustion to take place. The | | | | How Do They Work? |
| resulting heat is vented out directly from the unit. | | | | Vent free gas logs have specially designed |
| Ventless gas fireplaces are designed in a manner | | | | burners that are not covered with anything. They |
| that they burn natural gas or propane as minimally | | | | are hidden below and behind the logs. Enough air is |
| as possible. Most models do not need any | | | | supplied to the burner so that the combustion |
| electricity for functioning. On the other hand, they | | | | process of natural gas can take place. The |
| burn through a fixed line that is linked to a blue or | | | | combustion of natural gas produces less carbon |
| yellow flame burner or a ceramic plaque burner | | | | monoxide. These gas logs are the easy source of |
| inserted within the gas appliance. | | | | supplemental heat and are simpler to install than |
| Types Of Units | | | | air ducts. They are easier to maintain than a |
| A ventless gas heater is a cost-effective way to | | | | radiator. |
| heat spaces at nearly 99.7 percent efficiency. | | | | Advantages |
| There are many types of units available, such as | | | | Ventless gas heaters are controversial but they |
| blue flame or radiant. They can either be portable, | | | | have many benefits. |
| free standing or wall mount, even gas logs. These | | | | * They do not need a chimney or external |
| work either with the help of liquefied petroleum | | | | venting duct * They are cheaper compared to |
| gas (LPG) or with natural gas. | | | | the wood fireplaces or traditional gas. * Ventless |
| * Blue-Flame Heaters - Blue flame heaters work | | | | gas heaters use natural gas or propane as fuel |
| much like a central heating system. Blue flame | | | | and burn it with the oxygen from the room. * |
| heaters get their name because of the blue flame | | | | They are available in many colors and styles and |
| they give off. Blue flame heaters are preferred | | | | can make a beautiful home décor. * They do |
| by people because of their efficiency, | | | | not use any electricity or battery. |
| effectiveness, and abundance. | | | | The best part about these ventless gas heaters |
| * Radiant Heaters- Radiant heaters are another | | | | is that the oxygen depletion sensor (O.D.S.) pilot |
| type of ventless gas heaters. They are suitable | | | | installed in them shuts off before oxygen drops |
| for large facilities, such as warehouses, garages, | | | | below a safe level. |
| and storerooms. They generate heat using | | | | |