An existing "grandfather tree" (Cordia dodecandra or Ciricote) will consolidate a small sample of native vegetation that is growing in the inner courtyard of the house as its core. Thus, the concrete structure give tribute to the vegetal structure, framing its phenological transformations (sun, moon, rain, shade, etc.) with all that this entails (air purification, thermal comfort, reduction of stress and anxiety, among others). The perimetral four equipped walls, not only relates to immediate activities (storage, desks, closets, plateaus, etc.), but additionally stretch and exceed the roof level in order to become skylights and scape valves of heat. In this way, although the house is completely closed, it can breathe through its perimeter achieving a passive cooling system in the interior, very necessary in most of the year due temperature reach almost 50 degrees in the most heat season. All the involved material for the house is apparent and some elements with local and common plasters, valuing the natural aesthetics (texture, vain and grain) of the aggregates and spills based on concrete with native tree resins additives, offering an artisan perception that not only gives an added value to the atmosphere but also contribute to lower the inversion. The house concludes with a total constructed area of 130 m2 for a family of four members with a total cost of $ 50,000.00 usd.