At Harnois Greenhouses, our commitment does not end when your greenhouse is delivered and installed. We believe that a successful project depends on continuous, reliable, and personalized support long after installation. That is why our greenhouse after-sales service is designed to give you complete peace of mind at every stage of your operation.
With over 60 years of experience as a trusted commercial greenhouse manufacturer, we support growers from design to production — including maintenance, troubleshooting, and long-term optimization of your growing environment.
Repairs and Warranty Service
Our after-sales service includes comprehensive warranty support and repair services for all Harnois greenhouse structures. If an issue arises, our priority is to minimize downtime so your production continues without disruption.
We provide:
- Rapid analysis of your service request
- Remote troubleshooting or on-site intervention by our specialists
- Deployment of certified technicians when required
- Warranty-covered repairs based on applicable conditions
We understand that every hour matters in a production environment. Our team acts quickly to keep your greenhouse operations running at full capacity.
Long-Term Partnership and Continuous Support
Harnois goes beyond standard service timelines. Our after-sales support for commercial greenhouses continues:
- 1 month after purchase
- 1 year after installation
- And even 10 years and beyond
We believe in building long-term relationships with our clients based on trust, performance, and reliability. Our goal is to ensure that your greenhouse remains efficient, durable, and profitable throughout its entire lifecycle — whether you operate high tunnels, freestanding structures, or gutter-connected greenhouses.
Maintenance, Technical Support, and Spare Parts
In addition to after-sales support, Harnois provides complete maintenance services to help you keep your greenhouse operating at peak performance. Our greenhouse equipment team is available to assist at every level.
Our services include:
- Preventive maintenance planning and support
- Replacement parts and accessories for all Harnois structures
- System upgrades and performance improvements
- Optimization of existing greenhouse equipment and coverings
We ensure quick access to genuine parts and expert technical support so you can maintain optimal growing conditions at all times — regardless of the season or crop type.
Recognized Expertise in Controlled Environment Agriculture
With over 60 years of experience, Harnois has become a leader in commercial greenhouse solutions and controlled environment agriculture across North America.
Our comprehensive approach includes:
- Certified engineering and greenhouse design
- Custom greenhouse manufacturing to your specifications
- High-quality production and material standards
- Professional greenhouse installation services
- Continuous technical support from a dedicated team
This integrated approach allows us to deliver durable, high-performance greenhouse systems designed to withstand the most demanding climates — from Canada to the United States and beyond.
At Harnois, we are more than just a greenhouse supplier — we are your long-term partner in agricultural success.
Our after-sales service helps you:
- Reduce operational risks and unexpected downtime
- Extend the lifespan of your greenhouse structure
- Maximize yields and overall productivity
- Improve crop quality across all crop types
- Benefit from ongoing expert support season after season
We understand the challenges professional growers face, and we adapt our solutions to support your goals — whether you grow ornamentals, produce, young plants, or soft fruits.
Peace of Mind, Guaranteed
By choosing Harnois, you gain access to a greenhouse after-sales service that stands out for:
- Constant availability — our team is always reachable
- Advanced technical expertise — certified engineers and technicians
- Proactive support approach — we anticipate issues before they arise
- Fast response times — minimizing any impact on your production
- Long-term commitment — support that evolves with your operation
Your greenhouse is a major investment. Our mission is to help you maximize its performance and ensure its longevity for decades to come.
Ready to learn more about what Harnois can do for your operation? Explore our full range of capabilities or request a quote today.
Frequently Asked Questions About Harnois Greenhouse After-Sales Service
Q: What does Harnois after-sales service include? A: Our greenhouse after-sales service includes technical support, preventive maintenance, warranty repairs, spare parts supply, on-site interventions, and long-term follow-up for all Harnois greenhouse structures.
Q: Do you provide on-site support? A: Yes. When remote troubleshooting is not sufficient, our certified technicians can provide on-site service anywhere your greenhouse is located.
Q: How long does Harnois after-sales support last? A: Our support extends well beyond installation — including structured follow-up at 1 month, 1 year, and 10+ years after purchase. We are committed to your greenhouse’s performance for its entire lifecycle.
Q: Can I get spare parts for an older Harnois greenhouse? A: Yes. We maintain a comprehensive inventory of replacement parts and accessories for all our greenhouse structures, including older models. Contact our team for availability.
Q: How do I contact the Harnois after-sales service team? A: You can reach our team directly by visiting our contact page or by calling us at (450) 756-1041. Our specialists are available Monday to Friday, 8:00 AM – 5:00 PM.
