How Harnois Greenhouses Compare to Other Greenhouse Brands in Long-Term Durability and ROI

durable commercial greenhouse

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

IMG 9269

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 […]

Greenhouse Trends 2025

Commercial Greenhouse Solutions

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 trends for 2025 focus on reducing operating costs, improving predictability, and increasing […]

High Tunnel vs. Freestanding: Which is Right for You?

serre individuelle fleurs etats unis

Choosing between a high tunnel and a freestanding greenhouse can be tricky, especially when each option has its unique advantages. At Harnois Greenhouses, we aim to make that decision easier by breaking down the differences, uses, and benefits of these two structures so you can find the perfect fit for your growing needs. What is […]

What Is a Gutter Connected Greenhouse?

serre professionnelle jumelée

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: Resilient Food Systems Infrastructure Grant

commercial greenhouse oregon grant

In an ambitious move to bolster local and regional food systems, the Oregon Department of Agriculture has unveiled the Resilient Food Systems Infrastructure Grant. This innovative program, powered by funding from the USDA, aims to inject vitality and resilience into the backbone of Oregon’s food supply chain. At its core, the initiative seeks to empower small […]

USDA’s New Controlled Environment Crop Insurance: What Producers Need to Know

usda crop insurance

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. […]

Discover Harnois Greenhouses’ after-sales service

header service apres vente

You can count on the unmatched after-sales service of Harnois Greenhouses during opening hours. Best of all, our service has no expiry date. Our team of dedicated experts is always ready to help you solve any issues that may come up once you’ve purchased your greenhouse structure. Simplified after-sales service When you call, our after-sales […]