The 864 TSV See-Thru is the perfect choice for anyone wanting to divide a large living space or integrate two separate rooms. The unique see-thru design allows you to personalize each side of the fireplace, and the beautiful 9-piece log set offers a different look from either side. This top or side vent (TSV) model features a 37,500 BTU input and provides heat up to 1,500 square feet, making it perfect for medium to large homes or living spaces. This model features side Accent Lights. The GreenSmart® Remote Control, along with the 130 CFM convection fan (which delivers heated air on both sides of the fireplace) are optional accessories.