Turnkey Greenhouses for research and education
At Harnois, we understand the specific needs for institutional greenhouses, especially for botanical gardens, and teaching organizations. Whether the goal is to foster learning, support research, or create accessible growing spaces, our greenhouses are designed to meet diverse requirements while providing durability, efficiency, and aesthetic appeal
Harnois Greenhouses (founded in 1965) have served universities, teaching greenhouses, and other institutional greenhouses for decades by providing them with high-quality, well-crafted, reliable greenhouse structures and maintenance and restoration services.
Institutional greenhouses adapted to your community
Harnois supplies universities, public gardens, botanical centers, and private institutions with high-quality institutional greenhouse structures, benching systems, climate controls, lighting, coverings, and more, designed to meet the needs of both education and research.
- Universities/Colleges
- High Schools
- Elementary Schools
- Public Gardens
- Botanical Gardens
- Conservatories
- Public & Private institutions
- Research and Development
Our Services
Installation
Our expert teams or trusted certified partners handle the installation from foundation to final bolt. With decades of experience across North America, we ensure safe, efficient, and code-compliant assembly, whether it’s a freestanding greenhouse or a large gutter-connected greenhouse.
Integration
We integrate essential systems including climate control, irrigation, lighting, and shading. Our modular approach ensures seamless operation between components, giving you full control over the growing environment and helping you boost efficiency and crop yields.
Equipments
We offer maintenance plans and on-demand support to keep your institutional greenhouse running at peak performance. From membrane replacement to structural inspections and climate system tune-ups, our service team helps extend the life of your investment and minimize downtime.
Types of greenhouse structure
Freestanding
- Ovaltech
- Roof Type: Double Inflated Poly
- Widths (ft): 20, 25, 27, 30, 32, 35, and 42
- Technology Level: Low to High
Gutter Connected
- Luminosa
- Roof Type: Double Inflated Poly
- Widths (ft): 21-4, 24, 25, 26-3, 28, 30, 31-6 and 36
- Technology Level: Mid to High
Institutional Greenhouses - Projects
Ready to plan your project?
Our advisors will analyze your needs, the size of your operation, and your production goals to recommend the model and configuration that best suit your needs.





