HAG Environmental Design [HED]

HAG is a multi-disciplinary building design practice working with clients and user groups to provide a holistic approach to the production of practical and innovative buildings.

We are taking an active role in the promotion of environmental best practice and as such are seeking to continually review and improve our own working practices.


Ryan Liu



Led by our partner Ryan liu, HED has a wide range of ability and capability for carrying out urban wind environment simulation, daylight provision, solar heat gain study, as well as various green building rating assessments. Ryan also gave lectures and led sustainable studios in universities and schools of China.


Bangkok Tower

Bangkok, Thailand

Evergrande Tower

Changchun, China

Future Energy Center

Shanghai, China

Hybrid Downtown Tucson

Tucson, USA

Indigo Hotel

Hong Kong

Tucson Emergent Studio

Tucson, USA