The ProBuilder Series™ 42 Linear gas fireplace is the smallest model in the ProBuilder line-up, which makes it ideal for smaller living spaces such as bedrooms or family rooms. The ProBuilder Series™ 42 Linear features sleek, elegant styling and a contemporary fire viewing area that showcases tall dancing flames. This fireplace is designed to provide comforting radiant heat plus excellent natural convection to homes and living spaces up to 1,250 square feet.