Heating Capacity: Up to 2,000 square feet
BTU Input Per Hour: 11,000 (NG) 12,000 (LP) to 40,000 (NG/LP)
Steady State Efficiency: Up to 82.04% (NG), 83.93% (LP)
EnerGuide P4 Efficiency: 72.59% (NG) 74.19% (LP)
Glass Viewing Area: Ceramic Glass, 34-1/4″ W x 22-1/4″ H x 2, 758.8 Sq. In.