Building A Ventless Gas Fireplace

A complete ventless fireplace does not require a mantel.

Building a ventless gas fireplace.

Mock up the fireplace using the dimensions given in fireplace brochures and. If you install one where it s against local codes you may be asked to remove it and you may be fined for non compliance with building codes. Set the fireplace in. Cut 2x10s and nail them together to create an 11 1 2 in.

The difference in price between a gas fueled and propane fueled fireplace is in the fuel cost. The average cost to install a ventless propane fireplace is 1 200 and the cost to convert a gas furnace to a propane furnace is about 25 to 100. One that expels gasses and another that draws in fresh air from the outside. Attach short section of stovepipe to exhaust port on rear of fireplace.

Apply construction adhesive to wall around sides and top of fireplace opening. Get the gas electrical and vent in place first. Cut hole through exterior house wall and install stovepipe thimble. It is not complicated to build a ventless fireplace yourself.

Less propane is needed to provide the same amount of heat as gas. Ventless fireplaces are not permitted in some areas. Building your own ventless fireplace can save you a great deal of money and your fireplace will work just as well as any purchased fireplaces. Prepare installation site by building wall recess to accept fireplace.

Direct vent gas fireplaces require two vents in the back.