2025: New Generation Greenhouse Films Now Available at Harnois
New Greenhouse Covering for 2025 At Harnois Greenhouses, we are proud to introduce the latest high-performance polyethylene greenhouse films from our trusted partner, Plastika Kritis. Their 2025 lineup redefines climate management and light optimization—empowering growers to boost productivity, enhance crop quality, and reduce operational inputs. These new greenhouse films are now available through Harnois and […]
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
In recent news, Vermont farmers faced another significant challenge as a powerful windstorm wreaked havoc, mangled greenhouses, and toppled trees, underscoring the growing frequency and severity of climate-related events. This incident is a stark reminder of the vulnerabilities inherent in traditional agricultural infrastructure and the urgent need for more durable solutions. At Harnois, we recognize the escalating […]
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, […]