Latest 11++ Direct Vent Gas Wall Fireplace
Latest 11++ Direct Vent Gas Wall Fireplace. Post a question or comment about the installation or diagnosis of sidewall vent or direct vent chimney or flue exhaust systems for heating appliances: Direct vent fireplaces draw their combustion air from the outside and they also vent back to the same outside air. They are suitable for almost all spaces, including bedrooms and direct vent means that the unit has a closed glass front, and the venting for the unit is double walled.