Leading Commercial Greenhouse Solutions

Harnois builds high tunnels & commercial greenhouse solutions, creating unique growing environments that provide professional growers with greater predictability.

Our commitment

Redefining the standards of​ CEA

commercial greenhouse solutions

At Harnois Greenhouses, sustainability lies at the heart of every commercial greenhouse solutions we create. We design greenhouses and develop technologies that address today’s needs while preparing for tomorrow’s challenges. Our solutions minimize environmental impact while maximizing productivity, combining innovative technology with durable materials for long-lasting performance.

Our commercial greenhouse solutions provide a sustainable path forward, from energy-efficient designs to materials that optimize natural light and conserve resources. In partnership with growers who share our vision, we are helping to build a resilient agricultural sector, one greenhouse at a time.

Our mission is to enhance predictability, efficiency, and sustainability in agriculture, paving the way for a more resilient future.

Solutions & Services

Leading Commercial Greenhouses

Greenhouse Design & Manufacturing

Greenhouse Equipment

We understand that every grower has unique needs, which is why we offer a wide range of equipment and technologies designed to optimize your greenhouse operations.

Greenhouse Equipment

We understand that every grower has unique needs, which is why we offer a wide range of equipment and technologies designed to optimize your greenhouse operations.
Learn More

Greenhouse Installation

Professional greenhouse installation services across Canada and the USA — delivered with precision, speed, and local expertise.

Greenhouse Installation

Professional greenhouse installation services across Canada and the USA — delivered with precision, speed, and local expertise.
Learn More

Explore Recent Projects

From supporting commercial growers to celebrating agribusiness on a global scale, we’re proud to share some of our turnkey greenhouse projects with you.

Garden Center

Abbotsford Garden Center

Animals shelter

Ferme Miclerc

Garden Center – Agrizone Avantis

Consult our experts

Every grower’s success begins with the proper greenhouse structure and support. Whether expanding your greenhouse, optimizing your production, or starting a new project, we’re here to help you create the perfect environment for your crops to thrive. Reach out to us today—your success is our priority.