As a product expert, I can confidently say that the STRATFORD II WOOD FIREPLACE is a top-of-the-line heating option. With features such as cast iron andirons, a 6" chimney diameter, and moulded refractory bricks, this fireplace offers efficient heating for a recommended area of 750-2,200 square feet. Its Non-catalytic combustion technology and 8-hour maximum burn time make it a reliable and long-lasting choice for your home.