Thermagro "Professional" Series Greenhouses For the Home & Craft Grower

Grow your own healthy food all year round, chemical free and more affordable than buying organic produce. Our incredible range of styles ensures you can find a product to suit your needs. Call us today for a quote, or visit our shop to see fully assembled greenhouses.

Greenhouse Interior Arched Greenhouse Stone Pathway To Greenhouse

Tough & Reliable Greenhouses

ThermaGro Elite Enclosures is the parent company and brand that TGM Greenhouses of Colorado exclusively represents, and we have been manufacturing greenhouses tough enough for the Colorado climate since 2010. Our greenhouses are durable, efficient, and elegant, built with a unique sealing system that provides not only a hermetic seal on the structure but also an incredible bond on the nearly indestructible polycarbonate twin wall sheeting. So as to protect your vegetables, plants, and herbs, the greenhouses are bullet and hail proof. We also provide:

  • Greenhouse Kits
  • Porch Enclosures
  • Garden Canopies
  • Greenhouses
  • Window Boxes
  • Awnings and Awning Repairs
  • Parts, Services, and Repairs
  • You-Build Kits and
  • Installation Services
  • Rent-to-Own Options
  • Custom Designs
  • Accessories
  • Multi-Purpose Sheds
  • Shelving
  • Heating, Cooling, and Total Environmental Control Systems
  • Aquaponic and Hydroponic Systems
  • Ventilation Equipment

Greenhouse Kit Construction

New Greenhouse


Why You Should Choose Us

  • Locally Owned and Operated in Denver
  • Elegant Designs
  • Durable, Hermetically Sealed Greenhouses and Garden Canopies
  • Hail and Bullet Proof Greenhouses
  • Variety of Sizes and Styles to Choose From
  • Rent to Own Options
  • Full Line of Accessories
  • No Credit Check Financing Available