Shop for Building Materials . ProCom's Full Size Vent-Free Fireplace Systems are our largest units that include the largest viewing area! The firebox's upgraded log sets includes 9 beautiful ceramic fiber logs. These fireplaces feature a thermostat remote control which allows you to set the desired heat setting for your home. The realistic log and burner technologies give you the look and feel of a real wood burning fire. Featuring Patented Dual Fuel Gas Technology, one fireplace gives you everything you always wanted in a fireplace without all the hassle.