It is compact, (12″W X 15″H X 16″D) and lightweight (16 lbs without a stack). It has been designed for safe operation indoors in both permanent and temporary tent or portable structure applications. The heater uses a vaporizing burner and is controlled by a fully adjustable fuel regulator. The heat output can be adjusted from 4,000 BTU/h to 12,000 BTU/h (0.12 US gal/h fuel consumption on high). The heater incorporates two pot holders for cooking purposes. The Trekker also incorporates multiple operational safety features such as a patented, non flooding burner, fuel regulator with overheat protection, and fuel shutoff valve. A heat shield is attached to the heater to protect the user from incidental contact.