Harnois Industries

4 products found


  • Climate Control

    Climate Control

    Climate control is an essential part of greenhouse management. A greenhouse is a means to create a perfect microclimate adapted to the needs of specific crops, regardless of the weather outside. Centralized management of equipment facilitates precise control of heating, lighting, irrigation and other components of greenhouse management.

  • Lighting


    In temperate climates where sunlight is not sufficient year round for the production of crops that require a long photoperiod, the use of extra lighting is essential. Harnois Greenhouses offers state-of-the-art photosynthesis lighting systems which can influence the yield and quality of plants grown in greenhouses. For each project, lighting needs are calculated accurately and a complete system is provided. We offer several models of lamps with...

  • Rack and Pinion Screen Systems

    Rack and Pinion Screen Systems

    The rack and pinion screen systems of Harnois Greenhouses modulate efficiently and accurately greenhouse climate and create ideal conditions for crops. Whether it is thermal, shading or blackout screens, we offer a wide range of possibilities for all types of culture.

  • Covering


    It is the addition of covering that turns the skeleton of a greenhouse into an environment compatible with the culture of plants. Essential to creating the desired greenhouse effect, the right covering has a large influence on the quality and characteristics of the microclimate the greenhouse will provide. There are three main types of greenhouse coverings: glass, polyethylene film or polycarbonate sheets. Each has its advantages but for economic...