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Greenhouse maintenance, repair and 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 ensure your structure and systems remain fully operational throughout the year. Whether you’re preparing for the next season or recovering from weather-related damage, our service team is here to support your productivity and peace of mind.

Greenhouse maintenance for water pipes example

What greenhouse equipment should be inspected?

Regular inspection is recommended to be done at the start and end of each season. To perform it efficiently, it’s important to know what to check. Our service technicians follow a detailed checklist that includes:

  • Structural integrity: arches, anchoring systems, trusses, and bracing
  • Polyfilm or covering tension: detect wear, UV degradation, or slack
  • Ventilation systems: motors, gearboxes, roll-up sides, fans
  • Heating and climate control: thermostats, sensors, and control panels
  • Irrigation and fertigation systems: tubing, emitters, filters, and valves
  • Doors and access points: hinges, seals, and automation
  • Shading and insect netting systems: check for tears, loose fasteners, and coverage
  • Fasteners and cables: tension checks, corrosion, or missing parts

 

This inspection helps identify early signs of wear before they escalate into major repair needs. Our team can perform this audit for you, or guide your in-house team through the process.

We also recommend inspecting your polyethylene or polycarbonate films every 4 years.

Why do you need to perform regular maintenance on your equipment?

A defective roof opening motor, for example, may deprive the crop of sufficient ventilation. This could result in a lower yield or even crop loss, which would have a significant impact on the performance and profitability of your business. Just like any high-performance agricultural system, greenhouse equipment needs routine attention to deliver consistent results. Failing to inspect or maintain key components, such as motors, sensors, or irrigation lines, can lead to breakdowns at the most inopportune time.

Preventive regular maintenance helps:

  • Extend the lifespan of your structure and equipment
  • Avoid unexpected downtime during peak production
  • Reduce emergency repair costs
  • Maintain optimal growing conditions
  • Preserve warranty coverage on key systems

 

Regular checkups are not just a best practice; they’re a wise investment in the sustainability of your operation.

Full-service support for your greenhouse

Whether you’re facing wear and tear from years of use, storm damage, or technical malfunctions, our team is here to help. Our commercial greenhouse maintenance and repair services cover all types of Harnois structures, including:

 

Our Harnois Greenhouses equipment maintenance, repair and calibration department can intervene quickly for both routine maintenance and emergency greenhouse repair needs. We understand that time is critical, especially during growing seasons, and we prioritize fast response times to minimize crop loss or delays

Greenhouse maintenance and repair service example

Why choose Harnois for maintenance, repair and calibration of your greenhouse?

Working directly with our equipment maintenance, repair and calibration department means you benefit from:

  • OEM parts: original Harnois Greenhouse components ensure compatibility and durability.
  • Trained technicians: our team understands the specific engineering of your Harnois structure
  • Preventive maintenance plans: regular check-ups prevent costly repairs and increase your structure’s lifespan.
  • Quick response: our teams serve customers throughout Canada and the US

 

We can assist with frame straightening, cover replacement, tensioning adjustments, air-flow system repairs, and more.

Contact our greenhouse maintenance, repair and calibration department

Keep your operation under control through the year – contact us or request a quote today!

FAQ for greenhouse maintenance, repair and calibration

We recommend performing a full inspection of your climate controls, motors, irrigation lines, and ventilation systems at least twice a year, ideally before and after the growing season. Regular checks ensure your systems function correctly and prevent unexpected downtime.

We understand that inevitable failures, such as a torn poly cover or structural damage from a wind or snowstorm, can’t wait. Contact us directly for emergency response options. We will do our best to respond as quickly as possible.

In many cases, yes. We stock standard parts and adapt to similar greenhouse structures. A short assessment allows us to confirm compatibility.

Yes. All original Harnois parts come with a warranty. We also provide installation assistance and post-service support.

Yes. Organic growers widely use our high tunnel structures for berries and vegetables, as they support pest exclusion, reduce the need for inputs, and are compatible with organic certification standards.