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 […]