CO2nnsulting is a carbon neutral sustainability boutique consultancy with international experience based in Hong Kong.  We offer a comprehensive range of services in support of passive and low-energy design for the built environment. 

  • Sustainable masterplanning
  • Microclimatic and zero carbon design
  • Renewable energy projects
  • Air ventilation assessments
  • Corporate sustainability and climate change consultancy
  • Carbon audit and management
  • LEED® , WELL®, BREEAM® and BEAM Plus Consultancy

“We design from first principles and create living machines that pave the way forward to achieve zero climate change.”