Large spaces ready for a dynamic statement are perfectly suited for the impressive ProBuilder 72 Linear. As the biggest model in our lineup, this model features 72” wide by 15” tall glass and excellent zonal heat at a valued price, without compromising quality or beauty. This GreenSmart^® Basic (GSB) model conserves fuel with a GreenSmart^® pilot system that automatically lights the fireplace when heat is called for, and turns off the fireplace when no heat is needed, making for an excellent energy-efficient fireplace.