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Vent Free Stoves

Vent-free wood stoves are ideal for homes with limited space. Since they don't require any bulky vent pipe or external attachments, you can place ventless stoves in places you would never be able to fit vented models. Similarly, if you're searching for efficiency, you're definitely going to want to go with a vent-free stove. This is because while vented units can lose a significant amount of the warm air they produce up their chimneys, ventless wood stoves are entirely self-contained, allowing all of the heat to remain inside the home.
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By Wanda from Frontier, OR on May 25, 2014
Do any of these stoves operate without an electric blower? Also, if there are no vents, where does the smoke go?
By eFireplaceStore on May 27, 2014

Many models of stoves offer a circulating blower as an option, but they are usually not required for operation of the unit. Vent free fireplaces and stoves are limited to a certain BTU output and feature a sophisticated burner system and precise log setup. These features ensure that soot and harmful combustion byproducts are virtually non-existent, making a venting system unnecessary. It is important to have a vent free appliance serviced on a yearly basis to ensure that it continues to operate cleanly.

By Uly from Northeast, VT on May 26, 2014
Is there such a thing as coal, pellet or wood direct vent stoves?
By Tyler M. on May 27, 2014

No, all solid-fuel stoves must utilize a class A chimney system that terminates above the roof. Direct vent technology is only available for gas stoves.

By Dan from GreenValley Lake, CA on May 27, 2013
What is the difference between gas and propane in terms of price and quality? What is the recommended tank size for a propane fueled stove?
By Collin C. - NFI Master Hearth Professional on May 28, 2013

Propane has a higher energy content than natural gas, but is usually more expensive to use. If natural gas is available in your area, it is generally the preferred fuel, as the cost is less, not storage tank is required, and vaporization issues are not a concern. If propane is the only option, a minimum 30 pound tank is recommended for most appliances. The larger the tank, the greater the operating time without having to wait for the tank to "catch up" and vaporize more fuel.

By James from Denver, CO on October 25, 2013
Where does the smoke go if one does not have a vent?
By Collin C. - NFI Master Hearth Professional on October 25, 2013

Vent free appliances are manufactured so that they do not release soot or CO when burning. The burner is designed to facilitate and optimal fuel ratio, with no obstruction to the flame and the release of only carbon dioxide and water vapor. It is important to note that they do use oxygen from within the room for combustion and as such, they do not work well in smaller spaces and high elevations, due to the lack of available oxygen.

By Chris from NJ on January 4, 2015
I have a Napoleon GVFS20 natural gas vent free stove. Can it be converted to use propane?
By eFireplaceStore on January 5, 2015

Unfortunately, no. Because of the danger of vent free systems that have been improperly converted, the unit will come from the factory set up for one fuel or the other and cannot be converted in field. I apologize for the inconvenience.

By Dan from IL on August 9, 2013
My search for vent free wood stoves led me to your site but it looks as if all the vent free WOOD stoves are actually gas stoves. Is there a wood burning stove?
By Dawn H. on August 9, 2013

No, there are no vent free wood burning stoves.

By Eleanor from Evansville, IN on July 24, 2015
I am looking for a natural gas stove that is ventless and could heat between 700-900 square feet. What would you suggest?
By Will M. on July 24, 2015

For a 700-900 sq ft. space with standard 8' ceilings, you will need an appliance that generates 24,500-31,500 BTU. The Napoleon GVFS60 would be an excellent choice.

By Craig from Portland, Oregon on October 31, 2013
I am looking at your stove (30-CC30BO) as I currently use LP. In the near future I will be changing to natural gas. Can this stove be converted to natural gas?
By Collin C. - NFI Master Hearth Professional on October 31, 2013

Vent free stoves are not convertible, due to the dangers that can arise if the stove is improperly converted. Manufacturers only produce conversion kits for vented appliances at this time.

By Carol on November 9, 2012
I am switching to propane heat and I want to know how the ventless stoves process the water vapor from the propane. I prefer the ventless because of the high efficiency but I do not want all the water vapor from the propane in my home. Where does it go?
on November 9, 2012

The water vapor released into the room from the burning of propane is indeed one of the big arguments against using vent-free appliances, as it may cause windows to fog up and there have been issues with mildew in some cases. For more details about the differences and the pros and cons between direct vent and vent-free, please see our Gas Fireplace and Stove Buying Guide.

By Mike from NC on August 21, 2015
I am interested in a vent free gas stove that can output at least 20,000 BTU's. What brand would you recommend?
By Will M. on August 21, 2015

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