GreenhouseNL is pleased to supply Harnois greenhouses for your growing needs.

We supply Harnois greenhouses, cold frames and shade houses for your horticultural needs. We provide local service and can also supply irrigation and heating systems, replacement greenhouse cover materials and ground cover.

Ovaltech Favored by many growers, the gothic shaped Ovaltech series is the result of many years of research and testing. The Ovaltech represents the most versatile individual greenhouses and allows you to maximize productivity and usable space at an attractive price.

The Ovaltech offers more light, more crop area, and less cost.

Appreciated by many growers, the gothic shaped Ovaltech Series is the result of many years of research and testing. The Ovaltech is structurally sturdy, provides a quality growing environment for premium plants, and resists snow/ice accumulation. The Ovaltech Series maximizes productivity and usable space at a price few can match.

The latest model, the Ovaltech III, was launched in 1999. It features straighter sides for maximum growing capacity and minimum shadowing, and has higher light transmission than existing models in the Ovaltech Series. All of this at a lower cost per sq.ft. than the other models in this Series.

Features:

Ovaltech III has larger oval tubes (2"x3-9/13") which increases the span without reducing the loading capacity.
With no side roll ups there are curved purlins which allow snow shedding and any inside condensation to flow to the baseboard of the greenhouse.

Natural ventilation with side roll-ups for up to 300 feet long and up to 6 feet tall.  Optional peakvents or butterfly vents.

Top grade steel protection coating applied to greenhouse components which varies according to use and location.Coatings include: Gatorshield

Widths:
Ovaltech I - 25', 27', 30',Ovaltech III -30', 32' and 40'

Nordique Its unique versatility combined with its durability and strength has contributed to its popularity. It is a fully interlocking system that allows for expansion in any direction, keeping pace with your company’s growth. The Nordique NG is a robust greenhouse, resistant to snow loads and wind, while maximizing available light to promote superior crop growth.

Cold Frames - A simple, productive solution for your plants.

ShadeHouse - An outdoor display area without compromising the comfort of your customers.

By paying attention to its customers, Harnois has designed a Shadehouse, available in two models: standard and retractable. Our structures are made entirely of galvanized steel and can cover any surface dimensions.

Features:
Heavy duty 3" round posts on all inside areas and the periphery 10'posts that support a network of crisscrossing galvanized wires
Anchor wires and wind bracing cables are added for structural stability

Specification of the standard Shadehouse:
1. Post spacing of 26' x26'

Specification of the retractable Shadehouse:
1. Easy opening and closing of the shade fabric: manual or motorized
2. Single motorization can open and close up to 35,000 sq.ft. of fabric
3. Post spacing of 24' x25'
4. Heights available are 10' and 12'

Personal Greenhouse - a greenhouse for the backyard of the avid gardener.

For Greenhouse or major heating or irrigations Systems including Product Information & Pricing, please call 709 765-8999, Fax 709 753-1317 or email us at info@MegaDomeNL.com.

GreenHouse NL is a wholly owned division of MegaDome NL Inc. If you need storage structures, please see our other divisions MegaDomeNL and ShedNL.