Greenhouse & Steel-Building Specialists

Structures built for
Northern winters.

From gothic-arch high tunnels to clear-span steel buildings — Sun & Steel engineers turn-key structures that shed snow, stand up to the elements, and ship right to your site.

Explore Greenhouses & Buildings 3D Models
70+ productsGreenhouses, buildings & supplies
Snow-load ratedBuilt for harsh climates
Android appMeet Sunny — on Google Play
Distribution Network7 warehouses across US/CAN
Wind-ratedEngineered for high-wind zones
iOS appComing soon to the App Store

The line-up

Steel Buildings

Engineered steel structures for industry, agriculture and storage — from clear-span Quonset arches and fabric-covered domes to cold-formed C-channel and red-iron rigid frames. Built to your site in Lite, Standard and Heavy.

Industrial Steel Buildings
Steel Buildings

Industrial Steel Buildings

The Sun & Steel Clear-Span Red Iron Building comes in three models to suit the most demanding industrial and commercial…

from $38,999
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Commercial Steel Building
Steel Buildings

Commercial Steel Building

The Sun & Steel Cold-Formed Steel (CFS) Building comes in three clear-span models to suit any commercial or industrial…

from $18,999
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Commercial Dome
Steel Buildings

Commercial Dome

High-clearance dome profile with open-web Warren truss frame and heavy-duty tensioned tarpaulin cover. Available in…

from $12,499
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Quonset
Steel Buildings

Quonset

The Sun & Steel 30' Clear-Span Quonset Hut comes in three models with 100% usable clear-span interior space…

from $8,499
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The line-up

Commercial Greenhouses

Modular, expandable structures from compact high tunnels to multi-span production houses — priced by length and configuration.

Multi-SpanFlagship
Greenhouses

Multi-Span

Our flagship production house: gutter-connected gothic spans that share interior columns for a clear, column-free aisle…

from $19,999
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High TunnelMost Popular
Greenhouses

High Tunnel

Our most popular commercial tunnel: a steep gothic arch over tall sidewalls that sheds snow on its own and clears 8'6"…

from $7,199
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Hoop Tunnel
Greenhouses

Hoop Tunnel

The classic wide-open hoop: a low semicircular arch that sheds wind instead of catching it — ideal for milder…

from $6,299
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Light Deprivation
Greenhouses

Light Deprivation

Full photoperiod control in a compact 30 ft footprint: a sealed gothic blackout house for growers who dictate the light…

from $7,199
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The line-up

Residential Greenhouses

Compact, easy-to-assemble greenhouses sized for the backyard grower — the same Sun & Steel engineering in a residential footprint.

High Tunnel Mini
Residential Greenhouses

High Tunnel Mini

The High Tunnel scaled to the backyard: the same steep gothic profile that sheds snow, in an 8 ft-wide footprint at 12…

from $3,149
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Hoop Mini
Residential Greenhouses

Hoop Mini

The most affordable way into a real steel greenhouse: a compact 8 ft-wide semicircular hoop that springs from grade and…

from $2,924
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Light Deprivation Mini
Residential Greenhouses

Light Deprivation Mini

Full photoperiod control in a compact 8 ft-wide footprint: a light-tight blackout house wrapped in a white tarp instead…

from $3,779
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Covers & films

Covers, films & cladding

Poly films, twin-wall polycarbonate and heavy-duty tarps that keep your structure sealed season after season.

Polycarbonate Sheets
Covers & Films

Polycarbonate Sheets

Twin-wall 8 mm polycarbonate sheets. Two stock sizes: 5 ft x 20 ft (Standard frame) at $199 per sheet, and 4 ft x 20 ft…

from $149
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Polyethylene “Poly” Plastic
Covers & Films

Polyethylene “Poly” Plastic

Pre-cut UV-stabilized greenhouse poly film, sized to the full envelope of a Sun & Steel high tunnel. Four stock…

from $700
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Shade Cloth
Covers & Films

Shade Cloth

Nice Shady Tarp. This cover provides effective light management and temperature control to help maintain optimal…

from $499
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Tarpaulin Cover
Covers & Films

Tarpaulin Cover

Built Strong. Protect your structure and everything inside it with a heavy-duty tarpaulin cover built for tough outdoor…

$1,499
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Automation

Automations & electronics

Climate, irrigation and ventilation controls to run your grow hands-free.

Air Inflation Pump
Automations & Electronics

Air Inflation Pump

Insulate Smarter. Grow More Efficiently. The Double Poly Air Inflation System is the industry-standard method for…

$289
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Automatic Doors
Automations & Electronics

Automatic Doors

Hands-free. Convenient. Automatic door opener systems are motorized door actuators designed to open and close large…

$399
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Circulating Fan Mini
Automations & Electronics

Circulating Fan Mini

A circulating fan that keeps air moving to even out temperature and humidity across your structure and prevent…

$129
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Circulating Fans
Automations & Electronics

Circulating Fans

Good Choice. Air circulation fans are designed to maintain consistent airflow throughout greenhouse and indoor growing…

$199
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Climate Control
Automations & Electronics

Climate Control

A compact all-in-one climate unit — cooling, heating, and dehumidification in a single wall-mounted device to hold a…

$999
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Commercial Ventilation
Automations & Electronics

Commercial Ventilation

Full-length commercial ventilation, sold as a complete set — ridge and side vents running roughly 80% of the roof…

from $1,499
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Electric Poly Rollers
Automations & Electronics

Electric Poly Rollers

Roll Smarter. Ventilate With Precision. The Electrical Poly Roller System is the go-to solution for automating the…

$249
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Electrical Box
Automations & Electronics

Electrical Box

Waterproof Outlets. A waterproof outdoor electrical outlet designed to provide safe and reliable power access in…

$99
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Electrical Wire
Automations & Electronics

Electrical Wire

A Necessity. SPT-1 electrical wire rolls provide flexible and reliable power distribution for small electrical devices…

$199
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Ethernet Cables
Automations & Electronics

Ethernet Cables

Ethernet Cables (1000ft) SPT‑1 electrical wire rolls provide reliable power distribution for small devices, sensors…

$199
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Heavy-Duty Extension Cords
Automations & Electronics

Heavy-Duty Extension Cords

The Easy Way. Heavy-duty extension cords provide reliable power distribution for tools, equipment, and agricultural…

from $199
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Intake & Exhaust Fans
Automations & Electronics

Intake & Exhaust Fans

A matched intake + exhaust fan set that pulls fresh air in one end wall and pushes hot, stale air out the other. Choose…

from $199
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Plant Heating Pad
Automations & Electronics

Plant Heating Pad

Efficient Heating. Seedling heating pads provide controlled soil warming to improve seed germination rates and support…

$49
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Residential Ventilation
Automations & Electronics

Residential Ventilation

Roof and side vents for residential greenhouses. Choose Automatic (motorized, button + remote + app control through…

from $500
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Smart Irrigation Nozzle
Automations & Electronics

Smart Irrigation Nozzle

Automated Watering. The smart irrigation timer is a single-zone hose controller designed to automate watering and…

$49
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Smart Outlet
Automations & Electronics

Smart Outlet

App-controlled smart outlet with on / off schedule and power monitoring. Drops into any standard wall box, pairs with…

$49
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Smart Plugs
Automations & Electronics

Smart Plugs

Set & Forget. Smart plugs are wireless power adapters that allow growers and operators to remotely control electrical…

$49
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Smart Power Board
Automations & Electronics

Smart Power Board

Smart, reliable power control for your greenhouse or home — remote on/off, timers and scheduling, voice-assistant…

$99
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Smart Soil Meter
Automations & Electronics

Smart Soil Meter

Your Mini Laboratory. The smart soil tester is a multi-parameter soil monitoring device designed to help growers…

$199
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Smart Thermostat
Automations & Electronics

Smart Thermostat

Smart Monitoring. A smart thermostat with an integrated humidity sensor is designed to monitor and regulate…

$49
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Smart Touch Switch
Automations & Electronics

Smart Touch Switch

App-controlled smart light switch with capacitive touch face. Schedule, dim, and chain into automations from the Sun &…

$49
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Soil Heating Cables
Automations & Electronics

Soil Heating Cables

Nice & Warm! Soil warming heating cables are designed to maintain optimal soil temperatures for seed germination, plant…

$399
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Sunlight Sensor
Automations & Electronics

Sunlight Sensor

A solar-powered outdoor light sensor that reads ambient sunlight and drives supplementary grow lights and shade…

$99
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Water Pump
Automations & Electronics

Water Pump

Pump It Up. High-pressure electric pumps are designed to deliver consistent liquid pressure for agricultural spraying…

$199
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WiFi Router
Automations & Electronics

WiFi Router

WiFi Router The Smart Agriculture Wi-Fi Router is designed to provide reliable wireless connectivity for smart growing…

$99
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Lighting

Lighting

High-bay hanging lights, motion-triggered floodlights and parking-lot poles for the building interior and the working apron.

Circular Hanging Light
Lighting

Circular Hanging Light

Round LED high-bay hanging light with bracket and power cord. Drops from any roof purlin to light an aisle, a bench…

$149
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Grow Lights
Lighting

Grow Lights

A set of two 4 ft LED grow-light bars for supplemental lighting — extend your growing day and keep crops productive…

$299
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Motion Sensor Floodlight
Lighting

Motion Sensor Floodlight

Outdoor PIR motion-sensing LED floodlight. Mounts under the eave at any building corner and triggers on movement at…

$129
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Parking Lot Light
Lighting

Parking Lot Light

Pole-mounted LED parking-lot light. 18 ft pole, gooseneck arm, weather-rated LED head facing away from the building…

$599
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Rectangular Hanging Light
Lighting

Rectangular Hanging Light

Linear LED panel hanging light for long aisles and bench rows. Even wash of light along the full length of a Multi-Span…

$199
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Growing supplies

Garden & growing supplies

Pots, raised beds, irrigation, hydroponics and the hand tools that keep the operation moving.

Bulk Fertilizer
Garden Supplies

Bulk Fertilizer

Premium Water-Soluble Fertilizers – All-in-One Growth Solutions Our line of water-soluble fertilizers provides…

$499
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Drip Irrigation Lines
Garden Supplies

Drip Irrigation Lines

Drip. Drip. A complete commercial drip irrigation system designed to efficiently deliver water directly to plant root…

$399
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Four-Way Splitter
Garden Supplies

Four-Way Splitter

Simple. Effective. Four-way garden faucet splitters are water distribution adapters that allow a single outdoor faucet…

$39
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Frost Cloth
Garden Supplies

Frost Cloth

Plant Protection. Frost protection cloth is designed to protect crops, seedlings, and sensitive plants from cold…

$499
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Hanging Plant Pots
Garden Supplies

Hanging Plant Pots

Hanging Out! Hanging plant pots provide an efficient and decorative way to grow and display plants while maximizing…

from $1,312
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Hydroponic Reservoir
Garden Supplies

Hydroponic Reservoir

Water Soluble Feeding. Black water reservoirs are durable storage containers designed to hold and manage water for…

$99
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Hydroponic Shelving
Garden Supplies

Hydroponic Shelving

Maximize Your Space. The tiered hydroponic growing system is designed to maximize plant production by utilizing…

$299
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Hydroponic Wall
Garden Supplies

Hydroponic Wall

Vertical Hydroponic Growing System | 6ft x 6ft High-Yield Modular Wall Maximize your harvest while minimizing your…

$299
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Landscape Fabric
Garden Supplies

Landscape Fabric

A Must! Landscape fabric is designed to suppress weeds while allowing water and air to pass through the soil. Installed…

$399
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Large Water Tanks
Garden Supplies

Large Water Tanks

Built Strong. IBC (Intermediate Bulk Container) tanks are heavy-duty liquid storage containers designed for…

$399
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Metal Raised Beds
Garden Supplies

Metal Raised Beds

Modular Growing. A versatile and durable modular raised garden bed system built from heavy-duty, UV-stabilized…

$399
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Misting Lines
Garden Supplies

Misting Lines

Coolin’ Off. Pre-assembled misting irrigation lines designed to deliver a fine water mist for plant propagation…

$399
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Nursery Pots
Garden Supplies

Nursery Pots

Standard Nursery Pots. Our pots set the industry standard for reliable, reusable growing containers across commercial…

from $1,139
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Organic Pest Control
Garden Supplies

Organic Pest Control

Pest Control. This multi-variant pest control lineup provides growers with four proven solutions for managing insects…

from $499
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PEX Water Lines
Garden Supplies

PEX Water Lines

Standard Water Lines. PEX water line systems are flexible plastic piping networks designed for reliable water transport…

$399
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Rubber Hose
Garden Supplies

Rubber Hose

Heavy-Duty. Rubber irrigation hoses are flexible water delivery lines designed for agricultural, commercial, and…

$199
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Seed Starter Trays
Garden Supplies

Seed Starter Trays

Get It Started. Seed starting trays are designed for efficient plant propagation and seed germination in greenhouse and…

$399
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Smart Irrigation Controller
Garden Supplies

Smart Irrigation Controller

Multi-zone smart irrigation controller. Schedule, soil-moisture-trigger, skip-on-rain, and fertigation recipes per zone…

$199
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Tall Bamboo Stakes
Garden Supplies

Tall Bamboo Stakes

Natural Vertical Growing. Bamboo plant stakes provide natural and lightweight support for a wide range of plants during…

$299
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Tall Metal Stakes
Garden Supplies

Tall Metal Stakes

Growing Up! Metal plant stakes are designed to provide strong vertical support for plants during growth. These stakes…

$299
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Vertical Hydroponics
Garden Supplies

Vertical Hydroponics

Going Up! Vertical hydroponic stands are designed to maximize growing space by stacking multiple plant growing channels…

$199
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Vertical Plant Shelves
Garden Supplies

Vertical Plant Shelves

Vertical Plant Shelves Galvanized vertical plant shelving provides a durable and space-efficient solution for…

$199
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Industrial equipment

Industrial equipment

Loading ramps, carts, dollies, ladders and the heavy-duty handling gear that keeps a commercial operation moving.

Commercial Bay Doors
Industrial Equipment

Commercial Bay Doors

Heavy-duty commercial roll-up bay door for the back face of every span in a Multi-Span greenhouse. 8'6" wide x 12 ft…

$1,999
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Commercial Loading Ramp
Industrial Equipment

Commercial Loading Ramp

Heavy-duty commercial loading ramp on wheels. Bridges the height between ground and a truck deck or commercial bay door…

$1,999
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Emergency Personnel Door
Industrial Equipment

Emergency Personnel Door

3 ft x 7 ft hinged emergency egress door with panic hardware, illuminated EXIT sign mounted above, and code-compliant…

$1,198
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Heavy Duty Tree Dolly
Industrial Equipment

Heavy Duty Tree Dolly

Make Life Easy. Heavy duty tree dollies are designed to safely transport large potted plants, trees, and heavy nursery…

$699
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Heavy-Duty Cart
Industrial Equipment

Heavy-Duty Cart

Well, That Was Easy. Garden utility trailer carts are durable hauling wagons designed to transport soil, compost…

$499
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Heavy-Duty Dolly
Industrial Equipment

Heavy-Duty Dolly

Hand Truck. Plastic wheelbarrows are durable material-handling tools designed for transporting soil, fertilizer…

$399
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Orchard Ladder
Industrial Equipment

Orchard Ladder

Nothings Out of Reach. Aluminum orchard ladders are lightweight, stable ladders designed for safe access to tree…

from $799
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Rolling Step Ladder
Industrial Equipment

Rolling Step Ladder

A Step Up. The heavy-duty rolling step ladder provides safe and stable elevated access for shelving, storage systems…

$799
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Security

Security cameras

Weather-rated PoE cameras for the building envelope and the loading apron.

Dome Camera
Security

Dome Camera

Weather-rated IP dome camera. Ceiling- or eave-mounted for 360-degree coverage of an aisle, a climate cabinet, or a…

$249
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Motion Sensor Floodlight Camera
Security

Motion Sensor Floodlight Camera

Floodlight and IP camera in one head. PIR motion fires the floodlight and starts recording at the same instant.

$299
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Security Camera
Security

Security Camera

Weather-rated PoE IP turret camera. Eave-mounted at every building corner for full 360-degree envelope coverage on a…

$249
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Fire & safety

Fire & Safety

Fire extinguishers, smoke and CO₂ alarms, signage and the wall-mount safety stations a working production site is required to carry.

ABC Fire Extinguisher
Fire & Safety

ABC Fire Extinguisher

Code-rated 5-lb ABC dry-chemical fire extinguisher with wall-mount bracket. UL-listed for Class A (ordinary…

$49
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CO2 Alarm
Fire & Safety

CO2 Alarm

Carbon-dioxide alarm with mobile-app reporting. Continuously reads CO2 ppm and alerts on rapid rise or sustained high…

$99
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Smoke Detector
Fire & Safety

Smoke Detector

Smart smoke detector with mobile-app notifications. Photoelectric sensor with 10-year sealed battery and audible alarm.

$79
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Why Sun & Steel

Built to last, engineered for your site.

Engineered for snow load

Gothic arches and clear-span steel frames shed snow and are built to Northern load standards.

Greenhouses & steel buildings

Modular high tunnels, multi-span houses and clear-span steel buildings — engineered and built for Northern sites.

3D Models

Design and size your structure online, then check it against our snow-load map.

Full automation

Climate, irrigation and ventilation controls to run your grow hands-free.

Meet Sunny

Your greenhouse & building assistant app.

Sunny helps you size a structure, estimate snow loads, compare models and plan your grow — right from the website. Ask a question and get a straight answer, any time of day.

Size my structure Estimate snow load Compare models Plan automation
Meet Sunny
Sunny — the Sun & Steel greenhouse app

Grants & financing for growers.

Many of our structures qualify for Canadian agricultural grants and financing programs. We'll help you find the funding to break ground.

Explore programs

Stay in the loop

Stay up to date with our latest projects and more.