ProBuilder 42 Clean Face Gas Fireplace

Heating Capacity: Up to 1,750 Sq. Ft.BTU Input Per Hour: 8,000 (NG) 7,500 (LP) to 35,000 (NG/LP) – 77-79% TurndownSteady State Efficiency: Up to 77.71% (NG), 79.11% (LP)EnerGuide P4 Efficiency: 70.11% (NG), 71.34% (LP)Glass Viewing Area: Tempered Glass, 36” W x 31” H, 1,112.8 sq. in.