The Empire gas fireplace series is broad and deep. Choose from Deluxe, Premium or Luxury models as well as a full line of linear and outdoor fireplaces. With a maximum Steady State Efficiency of up to 82 percent for Deluxe and Premium and 85 percent for Luxury models, we have something for everybody. Choose fro “Louvered” or “Clean Face” Models” to suit your taste. The simple, elegant design features hem-bent seams that seal better and eliminate dozens of screws and fasteners.