This is so that it can both take in air from the outside and then vent out the by products from the flames inside the fire box.
Vented vs vent free gas heater.
And vent free models vent the exhaust inside the house.
With vented fireplaces the flames can run through around and over the logs creating a more chaotic and realistic appearance.
This is not as flexible as a ventless gas fireplace.
But what about the moisture vapor.
In order to install a vented gas fireplace you must use a chimney or an exterior wall.
Ashley hearth products 17 000 btu direct vent natural gas heater model dvag17n.
Vented gas fireplaces ventless gas fireplaces differ from vented gas fireplaces in terms of the logs flame patterning and most notably the method of venting.
Both are extremely efficient typically more than 99 percent using the about the same amount of gas to produce the same amount of overall heat.
All gas fired appliances have exhaust.
Vented gas logs require a fully functional wood burning fireplace and must be burned with the damper open ventless or vent free gas logs can be installed in either a wood burning fireplace or a ventless fireplace that is rated for aftermarket ventless logs and are burned with the damper closed.
Vented log sets are great if you have a large fireplace want a blazing fire and can live with lower efficiency and higher fuel.
Vented propane gas log sets.
Vented gas logs are designed to produce a beautiful roaring fire but it comes at a cost of fuel.
Vented gas fireplaces are not as flexible as ventless gas fireplaces.
Vented fire log sets burn about twice as much fuel as a vent free log set about 80 000 to 90 000 btus hour.
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Infrared vent free heaters use gas to heat ceramic panels that radiate heat like the sun.
If you are planning to buy a gas fireplace a vented model should be your first choice.
Most naysayers focus on the potential co issues and they may have a point.
The results are the same when a ventfree product is used to heat with.
Blue flame or infrared.
Ashley hearth products 11 000 btu direct vent natural gas heater model dvag11n 393 81 393 81.
There is no such thing as a vent free gas fireplace.
Vent free room vented heaters fireplaces gas logs you are right on target with your informatiom about ventfree roomvented products it does not matter if it is a ventfree log space heater or ventfree fireplace.
Unlike vented these logs do not require a chimney or flue to operate allowing more heat to stay in your home.
Vented gas log sets are also less efficient since some of the heat that s produced escapes through the chimney.
They also give recommendations if you do buy a vent free such as keeping a window open top and bottom when you are using the appliance.
Vent free is just a marketing term.
