Janssens | 13x13x10 Ft Royal EOS T Glass Greenhouse Kit With 4mm Tempered Glass Glazing

Janssens

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Regular price
$25,999.00
Regular price
$28,999.00
Sale price
$25,999.00
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Free Shipping to the 48 Contiguous States including Lift Gate Service

Our Shipping Policy Page has details of our Free Shipping to the 48 contiguous states with Lift gate Service included, as well as other things you should know.

No Sales Tax (except in GA)

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Before You Purchase

Before you Purchase has several things to consider before ordering a large greenhouse or building. You should also review our Refund Policy.

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The 12ft 10in x 13ft 2in x 9ft 8in Royal EOS T Glass Greenhouse Kit has a romantic style that leans heavily into the Victorian aesthetic. It features narrower glass panels that those of most Janssens models. It fits in nicely with any garden style. Thanks to the classic orangerie shape and steep roof of this model, you will enjoy a lot of space and light in the greenhouse. Its entry portico roof peak is slightly lower than the main room, which adds architectural interest. The roof has a dramatic 38º slope, making it less susceptible to snow accumulation. The floor plan is a T-shape. The narrow 4mm tempered glass panes (14 inch wide) add to the vintage appearance. The design features a low door threshold for easy entry. It includes:

  • 4 roof vents
    • 2 with automatic openers
    • 2 with spindle openers
  • 2 louver windows with automatic openers
  • Double hinged full-length glass doors
  • 1.25 inch threshold

The Royal EOS T comes in both a ground mounted and a stem wall mounted configuration. However, unlike most Janssens models the addition of a stem wall will not make the greenhouse taller because its side walls are shortened to compensate. Like all Janssens greenhouses its 4mm tempered glass and 17 gauge aluminum frame make it resilient enough to withstand strong wind gusts and moderate hail. The primary benefit of the EOS Royal T over other T-Shaped models is its aesthetic, and it is primarily chosen by gardeners and recreators who want a true vintage look.

Note that Royal EOS T models are not typically kept in stock and that units must be special ordered. Thus, lead times will be longer than other models.

If you prefer to have a professional crew install the greenhouse for you, call 888-648-5333 for a free consultation and quote.

Features
  • Durable white or black finish / aluminum framing and rubber
  • 38° roof angle
  • Available for regular ground foundation or to be placed on a stem wall foundation
  • Double hinged full length glass doors
  • Four roof windows
    • 2 with automatic openers
    • 2 with spindle openers
  • Two louver windows with automatic openers and winter covers
  • 4mm tempered glass glazing
  • 17 gauge tubular aluminum extrusions
  • Unique T-shaped floor plan
  • Narrow glass panes
  • Narrower portico, with a slightly lower roof than the main building
  • Size: 169 sq feet
Specifications
  • Side Wall Height: 6ft
  • 4mm tempered glass glazing
  • 17 gauge tubular aluminum extrusions
  • Overall Size Assembled: 12ft 10in x 13ft 2in x 9ft 8in
  • Peak Height: 9ft 8in
  • Overall Size Assembled: 12ft 10in x13ft 2in x 9ft 8in
  • Overall Weight Assembled: approximately 1600 lbs
  • Overall Shipping Size: 2 pallets & 3 long boxes (see wholesale price list for complete dimensions)
  • Overall Shipping Weight: 1995 lbs
INSTALLATION MANUAL

Janssens Victorian Hang Window Installation Manual

Janssens Victorian Fly Net Installation Manual

 

Available Accessories

Accessories

Comes Standard With

  • Louvre Window Cover
  • Gutters with Downspout

Can Also Add

Doors

  • Drop Kits for Doors (to place on a knee wall)

Windows

  • Additional Roof Vents
  • 'Push-Open' Side Windows
  • Additional Louvre Windows
  • Fly Screens for Roof vents
  • Fly Screens for Push Open Side Windows
  • Fly Screens for Louvre Windows
  • Manual Openers for Roof or Side Windows
  • Automatic Openers for Roof or Side Windows
  • Automatic Openers for Louvre Windows
  • Covers for Louvre Windows
  • Restraint Cable System for Roof Vents

Shelving

  • Top Shelf
  • Bottom Shelf (Seed Tray)
  • Slatted (2- and 5-slat) Shelving

Climate Moderation

  • Shade Curtains
  • Exhaust Fan
  • Solar Powered Exhaust Fan
  • Intake Vent
  • Palma Heater
  • Big Red heater
  • Digital Thermostat

Miscellaneous

  • Wheelbarrow Ramp
  • Metal Plant Hooks
  • Solar Powered Light
  • Grow Light
  • Scroll Supports
  • T Bolts

About Janssens Greenhouses

Janssens Greenhouse Assembly Overview

What Makes Janssens a Quality Greenhouse Brand

Janssens greenhouses are renowned for their European craftsmanship, superior materials, and long-lasting design. Every detail is built to exceed the standards of most competitors in the same price range, ensuring exceptional performance and visual appeal.

Premium Construction and Materials

  • Heavy-duty aluminum frame: Janssens uses thicker, stronger aluminum profiles than most greenhouse brands, giving each structure superior rigidity and weather resistance.

  • Corrosion-proof hardware: All fittings are made from stainless steel, preventing rust or deterioration in humid or outdoor environments.

High-Performance Glazing

  • 4 mm tempered safety glass: While many greenhouses use 3 mm glass, Janssens provides thicker, TÜV and GS-certified tempered glass for better insulation and durability against wind, hail, and impact.

  • Full-length glass panels: Each glazing sheet is a single, unbroken panel that creates a sleek, modern appearance—unlike the overlapping or segmented panels found on many other brands.

  • Weather-tight sealing system: Heavy-duty rubber gaskets hold the glass securely in place, improving insulation and reducing heat loss during colder months.

Smart Design Advantages

  • Integrated foundation frame (4” high): Included with every Janssens greenhouse, providing a stable, level base that other brands often charge extra for.

  • European engineering standards: Janssens greenhouses are precision-built and independently tested for strength, safety, and long-term reliability.

Optional Accessories

Doors

  • Additional Sliding Doors
  • Additional Hinged Doors
  • Lowered Threshholds for Doors
  • Drop Kits for Doors (to place on a knee wall)

Windows

  • Additional Roof Vents
  • 'Push-Open' Side Windows
  • Additional Louvre Windows
  • Fly Screens for Roof vents
  • Fly Screens for Push Open Side Windows
  • Fly Screens for Louvre Windows
  • Manual Openers for Roof or Side Windows
  • Automatic Openers for Roof or Side Windows
  • Automatic Openers for Louvre Windows
  • Covers for Louvre Windows
  • Restraint Cable System for Roof Vents

Shelving

  • Top Shelf
  • Bottom Shelf (Seed Tray)
  • Slatted Shelving

Climate Moderation

  • Wooden Roof Shades
  • Shade Curtain
  • Roll-Up Shades
  • Exhaust Fan
  • Solar Powered Exhaust Fan
  • Intake Vent
  • Palma Heater
  • Big Red heater
  • Digital Thermostat

Miscellaneous

  • Wheelbarrow Ramp
  • Metal Plant Hooks
  • Solar Powered Light
  • Grow Light
  • Scroll Supports
  • T Bolts

Warranty

Glass Greenhouse
15 Year Limited Warranty

Polycarbonate Greenhouse
15 Year Limited Warranty

Hybrid Greenhouse
15 Year Limited Warranty

Questions & Answers

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  • Can one get tempered and tinted glass?

    The glass is tempered.   For tinting, we recommend you have that done locally by a firm that can apply tinted film to the glass.