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What are the greenhouse cultivation costs during winter?

Greenhouse growing in winter allows you to offer fresh produce all year round. Find out the costs associated with it and how to reduce them.

How to properly clear snow from your MegaDome® building?

Learn step by step how to clear snow from your structure and discover our winter maintenance tips.

Growing cannabis in greenhouses: the importance of proper project preparation

Learn about the steps to complete and be well prepared for growing cannabis in greenhouses.

More commercial cannabis growers are choosing greenhouses: what are the options?

Harnois Greenhouses’ after-sales service has no expiry date. See how we support you after the purchase of your greenhouse.

Discover Harnois Greenhouses’ after-sales service

Harnois Greenhouses’ after-sales service has no expiry date. See how we support you after the purchase of your greenhouse.

The best tips for choosing your greenhouse ventilation

Discover our range of ventilation systems and how to choose the right one for your greenhouse.

Checklist : construction of a MegaDome^®building

Plan the construction of your MegaDome^® with this checklist to guide you step by step.

Checklist: preparing for the construction of a MegaDome^® building

Prepare for the construction of your MegaDome^® building with this checklist to guide you step by step.

MegaDome^® Buildings and composting facility

See how MegaDome buildings can help you establish an odour-free centre that meets environmental standards and building codes.

Silicon bronze welding vs. conventional welding

The welding on MegaDome silicon bronze buildings (ERCuSi-A) is much stronger than conventional welding. Discover why.

Why choose a greenhouse designed by in-house engineers?

At Harnois, our in-house engineers design durable greenhouses and can modify building plans to adapt to your unique needs. Discover why having an expert on board means added value for you.

Discover the Harnois difference

Learn about the innovative features developed by Harnois Greenhouses over the past 50 years, all designed to meet your unique growing, production and commercial needs.