How Harnois Greenhouses Compare to Other Greenhouse Brands in Long-Term Durability and ROI
Quick summary Harnois delivers one of the most durable commercial greenhouse solutions on the market thanks to oval-tube engineering, cold-climate design, superior materials, and a structural lifespan that often exceeds 20 to 40 years. Compared with typical round- or square-tube competitors, Harnois offers lower long-term maintenance, reduced downtime risk, better snow and wind performance, and […]
Oval vs Round Greenhouse Tubes: Why Oval Wins
When designing a professional greenhouse, every structural choice affects performance, longevity, and crop results. Among these choices, none impacts overall efficiency more than the shape of the steel arches. Traditional greenhouse frames use round or square steel tubes. While functional, these profiles limit structural performance, restrict luminosity, and add long-term operational costs. Today, the oval […]
Why choose Harnois as your commercial greenhouse manufacturer?
Choosing a greenhouse manufacturer with installation and service is more than just selecting a structure. It is a strategic decision that directly impacts your crop performance, operational efficiency, and long-term return on investment. A greenhouse is not just a building it is a complete production system that must be designed, built, and maintained with precision. […]
Rolland Harnois – Pioneer in Greenhouse Manufacturing Since 1958
It is with great sadness that Harnois Industries announces 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 far beyond the professional world — it touches the hearts of his family, […]
Greenhouse Trends 2025: The Essential Guide for CEA Growers
Greenhouse managers and growers continue to navigate challenges such as climate variations, rising energy costs, and increasing consumer demand for local fresh produce — especially berries — all year round. Consumers also want more transparency about where their food comes from and how it’s grown. The key greenhouse trends for 2025 focus on reducing operating […]
High Tunnel vs. Freestanding Greenhouse: 5 Proven Differences
When comparing a high tunnel vs freestanding greenhouse, growers face a critical decision that impacts cost, production capacity, and long-term ROI. At Harnois Greenhouses, we break down the key differences so you can find the right fit for your operation. Choosing between a high tunnel and a freestanding greenhouse can be tricky, especially when each […]
Mastering Greenhouse Production: The Masterclass with Jean-Martin Fortier | Harnois Greenhouses
In this week’s episode, JM Fortier takes us on a greenhouse tour of his summer crops. Jean-Martin Fortier will walk you through the setup of his greenhouse, a Harnois Ovaltech FreeStanding Greenhouse, revealing the ways he provides a shield of protection for his veggies. Whether it’s heavy downpours or heatwaves, his greenhouse acts as […]
What Is a Gutter Connected Greenhouse?
A gutter connected greenhouse is one of the most efficient structures available for commercial growers. Its modular bay design, lower operating costs, and unlimited expansion potential make it the go-to solution for anyone scaling up production — from a single-site operation to a multi-hectare growing facility. Here’s everything you need to know about gutter connected […]
Oregon RFSI Grant: Funding for Greenhouse & Food Infrastructure
In an ambitious move to bolster local and regional food systems, the Oregon Department of Agriculture has unveiled the Resilient Food Systems Infrastructure Grant (RFSI Grant). This USDA-funded program injects vitality and resilience into Oregon’s food supply chain — with a particular focus on empowering small and emerging farms, food businesses, and historically disadvantaged communities. […]
USDA’s New Controlled Environment Crop Insurance: What Producers Need to Know
Agriculture is undergoing a profound transformation. At the forefront of this evolution is Controlled Environment Agriculture (CEA) — a growing practice that is revolutionizing how farmers across the United States produce crops. Recognizing this paradigm shift, the U.S. Department of Agriculture (USDA) has launched a landmark new crop insurance program specifically designed for CEA producers. […]