How to Inspect Your Greenhouse Polyethylene: A Complete Seasonal Guide

Inspecting your greenhouse polyethylene at every change of season is one of the most important maintenance steps a grower can take. A small crack left unrepaired can become a large tear after the next wind event — costing you far more in emergency replacement than a 10-minute inspection would have. If your region has recently […]

The best tips for choosing your commercial greenhouse ventilation

Proper commercial greenhouse ventilation is one of the most important — and often overlooked — aspects of a successful commercial greenhouse. A well-designed ventilation system ensures healthy crop development, improves yield, and protects your structure from long-term damage caused by excessive heat and humidity. In this guide, we’ll walk you through key tips for improving […]

Expert Greenhouse Maintenance, Repair & Calibration Services

Carefully inspecting and maintaining your greenhouse and its equipment can save you a significant amount in unexpected expenses.  At Harnois Greenhouses, we’ve designed this checklist to help you take an in-depth audit of your equipment and avoid any surprises that may impact your production. We also offer comprehensive greenhouse maintenance, repair, and calibration services to […]

Choosing the perfect greenhouse for you

Choosing the right agricultural greenhouse is one of the most strategic decisions in any controlled-environment production project. A structure that is poorly suited to your reality can quickly generate significant cost overruns, slow the growth of your operation and compromise your long-term profitability. On the other hand, making an informed choice ensures a high-performing, scalable […]