Partner with Harnois Greenhouse
the North American leader in creating unique growing environments
that provide professional growers with greater predictability.
Why choose Harnois?
Whether you're an experienced installer or a dealer ready to grow
Local support
With you, coast to coast in North America.
New innovations yearly
Stay ahead of the curve
North American-made
All engineering and manufacturing done locally
Full greenhouse range
Fromh high tunnels to turnkey glass structures
A Legacy of Excellence
With over 55 years of innovation
Bank on the Brand
Trusted for quality and longevity