Maximize Your Growing Season Metal Greenhouses

All-Season Gardening, Made Easy

MaxSteel greenhouses provide a reliable, all-metal solution for year-round gardening and plant propagation. Featuring climate-control components like exhaust fans, thermostats, and clear MR‑9 panels, these durable structures are ready for planting season from the moment they’re installed.

Why Choose Metal Greenhouses from MaxSteel

Climate-Control Ready

Every MaxSteel greenhouse comes equipped with MR‑9 clear panels, an exhaust fan with a thermostat and variable speed controls—giving you precision over your growing environment.

Built Tough & Turnkey

Designed with standard carport framing, a walk-in door, metal trim, and 18″ shelving, assembled professionally—so you get sturdiness and usability from day one.

Budget-Friendly Sizes

Offered in three economical sizes—8×10, 10×15, and 12×20—MaxSteel greenhouses make it easy for gardeners to find the right fit without overspending.

Why Metal Greenhouses Are Superior

Complete Climate Control Setup

Unlike basic greenhouses, MaxSteel units include essential growing infrastructure: MR‑9 panels on all surfaces, cooling fan with variable speeds, a thermostat, and adjustable ventilation via an aluminum shutter.

Structural Consistency

Built with durable metal framing and components that resist discoloration and rust—designed to withstand weather and provide long-lasting performance.

Gardener-Approved Design

These aren’t just structures—they’re outfitted for growing from the start, with integrated shelving and ventilation that let you plant sooner and better.

Metal Greenhouses

12x20x9-MaxSteel-Greenhouse-Homestead-Landing-2

MaxSteel Greenhouse

3D Design Tool

See your barn before you commit—customize every detail from size and roof to color and doors with our 3D design tool.

Launch 3D Builder

Need Help or Have Questions?

Fill out this form and we’ll get right back to you.

Download the MaxSteel Brochure

Want all the details at your fingertips? Download the free MaxSteel brochure to explore carports, garages, barns, workshops, and custom steel buildings. See sizes, options, and features, then start planning the structure that’s right for you.