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Alexander Turkewitsch, BASc., MASc., P.Eng.
Alexander Turkewitsch, BASc., MASc., P.Eng.
Alex is the President & Greenhouse Consultant for Alex Turkewitsch, P. Eng. Ltd., dba “Greenhouse Engineering” since March 1999, where he plans, specifies, designs and implements commercial, institutional and research greenhouse facilities.
He designs greenhouse facilities ranging from plant production ranges, garden centers, shade houses and lath houses to compartmentalized research greenhouses, conservatories, rooftop farms, and custom structures. Alex also performs inspections, commissioning services, project management and engineering evaluations.
Alex was the Special Projects Technical Support Engineer for North America with Nexus Corporation and National Greenhouse Company from 1996 to 1999, where he was responsible for designing services for commercial, institutional and research greenhouse facilities, as well as designing the structural, mechanical, electrical and control systems, as they related to greenhouse facilities. He was also the Chief Engineer for Frank Jonkman & Sons Ltd from 1991 to 1996, and Senior Engineer for Growers Technical Services Ltd from 1980 to 1990.
His international client list includes architects, greenhouse operators, manufacturers, institutions, governments, research organizations, universities, and bio-technology companies. Alex has consulted on, provided designs and implemented and commissioned greenhouse projects in all 10 Canadian provinces, Nunavut, 26 States in the USA, Mexico, Uruguay, Philippines, Australia, Kenya, and Malaysia.
Alex obtained his B.A.Sc, Systems Design Engineering, and M.A.Sc, Mechanical Engineering from the University of Waterloo in 1977 and 1980, respectively.
PROFESSIONAL ACTIVITIES
Greenhouse specialist consultant
Structural and cladding systems design for commercial, institutional and research greenhouses, growth chambers and phytotron facilities
Planning, specifying, designing and implementing commercial, institutional and research greenhouse, growth chambers and phytotron facilities
Design and supply specialized subsystems, including irrigation, ventilation, fogging, cooling, shading, heating, automation and mechanization.
WORKING GROUPS
Working Group Member, CEA Facility Design & Construction Best Practices Guide, Resource Innovation Institute, USDA NCRS, 2022,
Working Group Member, Controlled Environment Agriculture Water Circularity Best Practices Guide, Resource Innovation Institute, USDA NCRS, 2023,
Expert Panel Member, Atypical Food Production Technologies for Canadian Food Security, Council of Canadian Academies, 2023.
PROFESSIONAL AFFILIATIONS
Current Registered Professional Engineer in the following provinces: Ontario, British Columbia, Nova Scotia
Available Engineering Registrations include: Alberta, Manitoba, New Brunswick, Newfoundland & Labrador, Northwest Territories and Nunavut, Prince Edward Island, Quebec, Saskatchewan, Yukon.
Life Member, Canadian Society for Bioengineering (CSBE) and the American Society of Agricultural and Biological Engineers (ASABE), Committee member PAFS-30 Plant Science Group,
Charter Member, Canadian Association for Earthquake Engineering (CAEE),
Member and Former Chair, NCERA-101 USDA Committee on Controlled Environment Technology and Use,
Member and Committee Chair, Association of Research and Education Greenhouse Curators (AERGC),
Member, Ontario Society of Professional Engineers (OSPE),
Member American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE).
SPECIALIZATIONS
Greenhouse energy use analysis;
Research greenhouse design;
Commercial greenhouse design and feasibility studies;
Energy Model analysis;
LEED issues.
PROFESSIONAL AFFILIATIONS
Quebec Order of Engineers;
Association of Professional Engineers & Geoscientists of Saskatchewan;
Canadian Green Building Council;
Association of Educational and Research Greenhouse Curators (AERGC).
(418) 333-1330
Gregg Short, P.E., BASc.
Gregg Short, P.E., BASc.
With 29 years of experience, Gregg is a senior partner of Greenhouse Design LLC since 2006. Gregg carries 16 state licenses of professional engineering. His specializations are in structural design, systems engineering, control systems, growing systems, Irrigation systems, and project management. He also carries out client meetings and site visits through various phases of the project.
Licensed Professional Engineer in Ohio, Michigan, New York, Illinois, and Connecticut with a NCEES record.
PROFESSIONAL AFFILIATIONS
American Society of Agricultural and Biological Engineers (ASABE) - Member and past Chair of the Controlled Plant Environments Committee involved in ASAE/ISO Standard revisions.
Member of NCERA-101 USDA Committee on Controlled Environment Technology and Use.
Member of AERGC Association of Education and Research Greenhouse Curators.
Member of AmericanHort The consolidation of ANLA and OFA.
(330) 465-7531
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