// case studies we admire

los cerros offices · madrid.

los cerros offices · madrid.

emase arquitectura · los cerros offices · 2025 · madrid · 10 kwh / m² / yr.

at entrópica we collect buildings that learn from their climate, not just our own. los cerros, by emase arquitectura, is one of those.

it is a representative office building in madrid that integrates environmental thinking into modern design rather than retrofitting it as a certificate. the result is a workspace with an operational energy demand of around 10 kwh / m² / year — an order of magnitude below most spanish office stock, and a useful benchmark to keep in mind when we are designing in our own continental-tropical context.

a few things worth noting in their approach:

  • envelope first. mass and insulation are sized for the mediterranean swing between hot summers and cold winters, before mechanical loads enter the conversation.
  • passive light, controlled gain. daylight does the work that overhead fluorescents usually do, but external shading keeps the summer sun off the glass.
  • mechanical sizing follows. the cooling and heating plant is small because the envelope made it possible. the building does not need a chiller to be tolerable.

different climate, same instinct: design the building so the systems can stay quiet.


we feature work that earns its energy honestly. if you have a project worth measuring, reach out.