All Archimede houses have an underfloor cavity that is always pressurized with warm air, and a series of tiny holes punched next to the outside wall encourages a slow diffusion of warmer air that prevents condensation and fungus development.

FORBES: Arctic Refuge On Stilts--Kangiqsujuaq, Quebec

When building on permafrost in northern Quebec, non-profit group Archimede Systems had to take into account the melt-and-freeze cycles of the seasons, the need to insulate heat, prevent condensation, and the necessity to keep the home from melting into the icy ground during a thaw.

FORBES: Arctic Refuge On Stilts--Kangiqsujuaq, Quebec