Tulikivi fireplaces that heat 750 sq ft start at about $5,000. Add the flue system, support structure, and installation and you can easily approach $10,000 depending on the design. A more typical new construction project would heat 1,000-2,000 sq ft and range between $12,000 and $35,000. This typically includes the support structure, flue system, hearth tiles, and installation. Ask us about the 2200 series fireplaces. They are a good value for maximizing your heat capacity and your dollar.