Building A Ventless Gas Fireplace

Get the gas electrical and vent in place first.

Building a ventless gas fireplace.

Prepare installation site by building wall recess to accept fireplace. 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. Set the fireplace in. Less propane is needed to provide the same amount of heat as gas.

The difference in price between a gas fueled and propane fueled fireplace is in the fuel cost. Ventless fireplaces are not permitted in some areas. However many direct vent fireplaces are vented with a single two chamber vent pipe. How to install a gas fireplace build a mock up to find the best position.

Direct vent gas fireplaces require two vents in the back. The cheapest way to have a ventless fireplace in your home is with gel based units. One that expels gasses and another that draws in fresh air from the outside. Cut hole through exterior house wall and install stovepipe thimble.

Mock up the fireplace using the dimensions given in fireplace brochures and. Attach short section of stovepipe to exhaust port on rear of fireplace. 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. It is not complicated to build a ventless fireplace yourself.

Cut 2x10s and nail them together to create an 11 1 2 in.