Based on a 12′ wide chassis system, the ECE is an ultra-simple design that optimizes structure by using short spans, and reducing the surface-area to interior volume ratio even further than most 12 wides, limiting heatloss in cold climates.  Andy designed this model for a customer in Bethel Alaska, so shipping logistics, quick assembly and high thermal performance were all key considerations. The structural system is also considerably simpler (and stronger) than in the other 12-wide models. Design & Renderings by Andy Thomson.