Questions?

We would love to answer your questions about our greenhouses ... and answer questions about how best to use them! Need some growing tips for your region? Want to know how to best care for certain plants, etc.? Please contact us and ask! If we have an answer, we will post it here on our website.

Quality Canadian Greenhouses

Global Tradewinds Ltd. is proud to present our new custom designed premier series of extruded Aluminum box framed polycarbonate glazed greenhouses for sale now. CURRENTLY IN STOCK!! Choose from 4 convenient sizes: the extremely popular 8'X10' version, 8'X12', 10'X10', and the enormous 10'X12' version.

These structures can be utilized separately or built and joined in sequence end to end allowing for a much larger structure.
All have aluminum powder coated frame design. 6" extruded aluminum box-stock base framing for extreme rigidity and longevity.
All aluminum components are powder coated to ensure maximum corrosion resistance and extreme longevity/durability. We only utilize top quality components in our manufacturing facility ensuring a premier product built specifically to withstand Canada's EXTREME weather conditions.
Custom designed and engineered specifically with additional wall/ceiling/frame/rooftop bracing to ensure extreme rigidity and very high loading characteristics.
The wall height is a greater-than-normal 1.8 meters with full height 6'6" doorways.
Provided assembly hardware is stainless steel to ensure longevity and durability under the harshest of conditions.
Our structures are the best designed, cleanest manufactured, most easily erected Greenhouses on the market.
The polycarbonate is only the highest quality double-wall 6mm.
Optional roller blind setup to further reduce interior temperatures during the hot summer season. These high quality roller blinds feature easy operation and provide full coverage to protect your most sensitive plant varieties.
High quality interior shelving constructed with high strength aluminum frames is designed to ensure a clean floor plan and utmost in usability.
Our greenhouses also offer SIX gas operated fully adjustable vents, FOUR on the roof area specifically placed to ensure maximum heat transfer and ventilation functionality. And TWO additional heat transfer gas operated vents on the bottom of ALL our structures. UNPARALLELED in the industry, as any competitor offers only two openers for ventilation purposes on the roof area and NONE on the bottom of the structure.
The Global Tradewinds Greenhouses were specifically designed to ensure the BEST ventilation and heat retention/dissipation in the industry. We rewrote the standards on which to be judged. We proudly offer our Global Tradewinds Greenhouses at significantly LOWER than competitors' cost, although our product is manufactured to the highest standards and has industry leading innovations and options available. Please feel free to inquire regarding additional information or options available as we strive to achieve/uphold the highest customer satisfaction and stand proudly behind our exemplary products.
Our structures come standard with eavestroughs which one could easily design to re-use/recycle rainwater.
We offer an additional premier extended warranty package which warranties ALL the components for the life of the product for a nominal additional cost.
As outlined previously the Global Tradewinds Greenhouses are the pinnacle of engineering and usability and will most certainly be viewed as the current industry leader minus the HIGH COST!! We are PROUDLY Canadian owned and operated and located on Vancouver Island, B.C. and offer reasonable worldwide shipping and local delivery for a nominal fee.