Why choose Harnois as your commercial greenhouse manufacturer?

Choosing a greenhouse manufacturer with installation and service is more than just about the structure. It’s a strategic decision that impacts the performance of your agricultural business, your peace of mind, and the longevity of your investment. At Harnois, we support market gardeners, horticulturists, and nursery operators—whether you’re running a small farm or managing a […]
Harnois Unveils 1st Vermax Project at VegPro International

A Bold Step Toward Sustainable Food Autonomy: VegPro Unveils Vermax Glass Greenhouse in Sherrington On April 30, 2025, VegPro International officially inaugurated its new 5.2-hectare Vermax glass greenhouse in Sherrington, Quebec—an ambitious, forward-looking project built in close collaboration with Harnois Greenhouses, a leading Canadian manufacturer of turnkey greenhouse solutions. This $135 million investment reflects a […]
Growers Are Choosing a Cannabis Commercial Greenhouse

For growers interested in entering or transitioning to cannabis production, one of the first decisions to make is where it will be grown. Options include outdoor, indoor facilities, and a mix of the two, greenhouses. Greenhouses are growing in popularity among cannabis growers. In fact, many cultivators are switching to greenhouses since they are usually […]
Cannabis Greenhouse Projects: Why Preparation Matters

Are you thinking about embarking on a new growing project but with no idea of where to start? It’s best not to jump into a new project without completing the necessary steps to ensure you have the best plan in place. Rather than attempting to grow immediately, any prospective grower should follow some preliminary steps […]
The greenhouse acts as a thermal buffer

Mainly, the greenhouse acts as a thermal buffer, maximizing the plant’s photosynthetic yield. As we explore further, we see how this phenomenon not only enhances day-to-day operations but also contributes to long-term sustainability and resilience against climatic uncertainties. Advanced Climate Management Beyond basic temperature and humidity regulation, the buffer effect plays a pivotal role in […]
Facing Climate Change for market garderners

Climate change is no longer a distant concern; it’s a daily reality for market gardeners. Rising temperatures, extreme weather events, and unpredictable growing seasons threaten not only crops but also the long-term viability of farms. To remain competitive and resilient, growers must reassess their approach to protecting their production Weather-Related Risks Are Increasing The frequency […]
Engineered Commercial Greenhouse. Why?

An engineered commercial greenhouse structure guarante the quality, durability, and safety of the structure. Engineers have to respect laws and regulations, resulting in an end product that meets the highest standards. Harnois’ team of in-house engineers design durable commercial greenhouse structures and can modify building plans to adapt to your crops and commercial needs. Having our own […]
A legacy of innovation in irrigation and greenhouse

It is with great sadness that we announce the passing of Mr. Rolland Harnois, co-founder of Harnois Industries on Friday, January 26, 2024. His passing leaves a void deeply felt by all those who knew and loved him. His loss goes beyond the professional; it touches the hearts of his family, friends, and community. Innovative […]
7 reasons to automate your greenhouse operations

Semi-automation can help greenhouse growers meet the challenge of labor shortages. The integration of technology can streamline processes while still requiring some human intervention. Here’s how semi-automation can help you: Automated equipment can optimize the use of resources such as water, nutrients and energy, reducing the need for manual monitoring. This efficiency allows available manpower […]
Dr. Greenhouse interviews Felix Chassouant

Just last month, nestled among the bright lights of Las Vegas, Dr. Sabeh—affectionately known in our circle as Dr. Greenhouse—dove into the heart of what’s blossoming in the field of indoor agriculture by attending the much-anticipated 2024 Indoor Ag-Con. Over a decade since its inception, this gathering has flourished, this year blooming to host over 1,500 attendees, […]