The Chaska gas fireplace insert fits almost anywhere. With ease, a professional installer can transform your wood-burning fireplace into an energy-efficient gas fireplace that will fit effortlessly into your existing structure. Providing comfortable warmth and an attractive touch to any room, this line of fireplaces was created for modern living. Designed with passion by Kozy Heat to give years of service, modern innovation combines with proven technology to provide a fireplace that will be a superb long-term investment. "Available with natural gas or propane."