Experts in building science, advanced construction technology, and passive house design.

We provide expert guidance and advanced education to architects, contractors, building owners, and construction industry professionals.

Our sophisticated knowledge base promotes quality green building methods, energy efficiency, comfort, and health.

Based in Reggio Emilia, Italy + Denver, Colorado.

Building Envelope Experts



Emu role with Architect Contractor OwnerOur mission is to supply our colleagues with as much knowledge as possible. With the growing capabilities of our expert staff, we can make designing, specifying, and installing energy efficient designs and systems easy.


  • General Design Consulting + Feasibility Studies
  • HVAC Analysis + Design for Low-Load Buildings
  • Envelope Component Detailing + Specification
  • Passive House Design + Documentation
  • Window and Door Specification + Detailing
  • Glazing Design + Consulting
  • Mold + Dynamic Moisture Analysis (WUFI)
  • 2D + 3D Heat Flow Calculations
  • Energy + IAQ Modeling
  • On-site Training + Inspection
  • Site-specific Custom Climate Data
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The Team

Enrico Bonilauri

Co-Founder + CPO (Chief Product Officer) @EmuBldgScience, based in Italy and Colorado. Passive house consultant, trainer, former architect.
Our Blog

Latest Updates

We continue our series of articles on the topic of thermal bridges: this time, we illustrate the fRsi value, which describes the thermal ”strenght” of a node under the point of view of internal surface temperatures.

As we have explained in a previous article, the PSI value describes a higher or lower heat flow caused by a discontinuity in the thermal envelope – a thermal bridge – the fRsi factor is of primary importance for health and comfort considerations.

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