Ventless Gas Stoves – Features and Benefits

Ventless gas stoves are an option for room heating that require low cost and maintenance. Most people select ventless gas stoves because they look like a wood burning fireplace without the trouble of actually getting and chopping up wood, lighting a fire or cleaning up debris each time the fireplace is used. It is also the only type of gas fireplace that does not require ducts for operating. Even though there are these benefits; the use of ventless stoves is rarer because they are controversial and even prohibited in some US states due to potential health concerns.

People often purchase ventless gas stoves instead of the other types of gas stoves because they require less space and do not necessarily need to be placed against exterior walls. A ventless fireplace is also very easy to operate and very affordable to install as a chimney or flue is not required. Gas piping will need to be provided by a licensed plumber but should not be too expensive.

Benefits of ventless stoves include:

  • Provide a plentiful, efficient heat source; working with an efficiency rate of at least 90%.
  • They are very easy to add to an existing space because they can be installed virtually anywhere in a room. They do not any require a chimney or ducts and do not need changing of a floor plan.
  • These stoves can be used even without electricity.
  • These are cost-effective heating units because they consume less energy than other stoves based on BTU output vs. raw energy input.
  • They look like a traditional wood burning fireplace but are not as difficult to operate and maintain.
  • They can be used as both an indoor and outdoor unit.

Ventless gas stoves in the market are available in various sizes. These types of units are known to instantly heat up a space and provide a good amount of heat, especially when the unit size is proportional to the room. Models producing less than 5,000 BTU are meant to be used in bathrooms or in kitchens because they are of smaller size and produce less heat.

Ventless gas stoves have burners under the logs that allow intake of air for combustion of natural gas and produce a small amount of carbon monoxide. They need to be fitted with approved oxygen depletion sensors. These sensors work by measuring the amount of oxygen available in a particular room: If the level of carbon monoxide goes up and the oxygen levels decrease; the sensors would be activated and would automatically shut down the unit.

Despite the safety features, some states and countries do not allow the use of ventless units because of the potential dangers associated with their operation. Anyone who wants to purchase a ventless gas fireplace should first check the local laws and regulations. One word of caution; a ventless type fireplace should be avoided by a person who has respiratory health problems like asthma, since the quality of air in the home generally decreases if a ventless gas fireplace is used.


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