Timber Fire™ Collection Home / Our Specialties / Fireplaces / Gas - Linear / Timber Fire™ Collection Single-Sided Configuration Viewing Area Front: 48”W x 30”H, Sides: 72”W x 30”H BTU 173,000 - 115,000 Heating Capacity Fuel Type Gas See-Thru Configuration Viewing Area Front: 48”W x 30”H,Sides: 72”W x 30”H BTU 180,000 - 120,000 Heating Capacity Fuel Type Gas