Ronald Wong, P.Eng.

Senior Mechanical Engineer, Principal

Ron initiated his engineering career with Muller (NZ) Ltd., a major air conditioning equipment manufacturer in 1979 representing the firm in Auckland, New Zealand.


In 1980, he joined the engineering firm of Pomeroy Engineering Ltd., a mechanical, structural and civil engineering firm, as a Junior Engineer and gained extensive experience in HVAC, plumbing and fire protection design requirements. He managed the mechanical department from 1985 to 1995.  Projects include Educational, Institutional, Ice Arenas, Commercial, and Care Facilities.


In 1995, he joined the Dominion Company as a Senior Mechanical Engineer and became Technical Director of the Mechanical Division in 1998.  During his time at Dominion, Ron headed up the design for many Home Depot Stores across Canada, including design/build for the Coquitlam City Hall and the Public Safety buildings and tenant improvement for many office tower projects.


In May, 1998, Ron joined Sterling, Cooper & Associates as a Senior Engineer/Sub-Consultant. He directed and designed Residential & Commercial Towers, Office Towers, Hotels, Laboratories and Ice Arena projects.

In 2002 the firm of Ron Wong & Associates Inc. was established. Ron is the Principal of the company. Ron’s current work includes Commercial, Office, School, Multi-story Residential, Hotel, including new construction and retrofit projects.

Memberships & Registrations

  • American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)
  • Canada Green Building Council (CGBC)
  • P. Eng., Association of Professional Engineers and Geoscientists of British Columbia

Helen Liu, P.Eng., LEED® AP BD+C

Senior Mechanical Engineer

Helen Liu graduated with a Heating Ventilation and Air Conditioning Engineering Degree from Beijing Polytechnic University in 1991.  She has been working in Canada for over 10 years for building mechanical consulting firms.  Prior to coming to Canada, she gained 9 years of professional experience in the HVAC industry.


Helen’s experience includes civic and residential projects; many incorporating extensive amenity facilities, libraries, theatres, day cares, restaurants, and commercial kitchens.  Besides HVAC and plumbing designs, Helen performs building energy analysis and has completed a number of LEED projects.

Yan Ma, P.Eng., LEED® AP

Senior Mechanical Engineer

Yan graduated with a Heating, Ventilating, and Air Conditioning Engineering degree from Tianjin Institute of Urban Construction in 1989.  He has been working in mechanical consulting firms in Canada for over 14 years, providing building service designs for commercial and residential projects and project design management.