No you don t need a masonry chimney but for your most efficient gas units you will need a venting system though it does not always require venting through your roof.
Do propane fireplaces need to be vented.
Each type of fireplace requires its own type of gas logs to function safely and correctly.
Ventless fireplaces do not produce soot and ash as wood burning fireplaces do.
This results in a flame that most closely resembles a wood burning fire.
The risk to your health is a long standing and ongoing debate.
Ventless fireplaces can be located in any room of the house making it possible to add supplementary heat right where.
The basic concept is in the name a fireplace insert typically gas or propane burning that needs no ventilation.
But the idea of a fire without smoke and a fireplace without ventilation tends to give people pause.
Vented gas logs can take the place of wood in a traditional hearth and chimney if you choose a unit that burns either natural or propane gas.
Gas fireplaces aren t a solution for a problem chimney.
In terms of versatility you can vent a direct vent fireplace horizontally or through the roof.
This is because the gas or propane insert creates no smoke just a flame and its subsequent heat.
Ventless fireplaces are standalone structures that function off natural gas propane alcohol based gels or electricity but do not require a vent or open chimney flue to heat a room like.
When it comes to a vented gas fireplace it produces a realistic flame because the temperature is controlled.
Installing a fireplace can often be a major problem due to venting especially with retroactive installations.
Ventless logs do not put off these emissions so no chimney or flue is needed and the heat is more likely to stay in your space.
If realism is important to you vented will always beat ventless.
Vented gas fireplaces do require a way to vent to the outside.
In fact 90 of gas fireplaces are sold direct vent because of their increased safety efficiency and versatility source.
Build with propane.
Direct vent fireplaces are the most popular choice for homeowners.
Ventless fireplaces fueled by gas or propane rely on indoor air for combustion and they exhaust a low level of their combustion gases into the room in which they re located.
Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue.
Must vent to the outside.