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12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol
12' x 20' Tunnel Greenhouse Grow Tent w/6 Mil Clear EVA Plastic Film, Cold Frame, Hand Crank Rol

TMG-GH1220 12′ x 20′ Tunnel Greenhouse Grow Tent

Original price was: $1,695.00.Current price is: $1,600.00.

Establish a highly regulated, high-yield growing environment with the TMG-GH1220 Tunnel Greenhouse. Engineered with a corrosion-resistant galvanized steel framework and an advanced 6 mil EVA plastic canopy, this structure delivers 240 square feet of optimized, year-round crop protection. Designed for both dedicated hobbyists and commercial growers, it maximizes solar retention while allowing for precise manual climate control.

Only 1 left in stock (can be backordered)

u003culu003enu003cliu003enu003cp data-path-to-node=u00228,3,1,0,0u0022u003eu0026#x1f69a; u003ci data-path-to-node=u00228,3,1,0,0u0022 data-index-in-node=u00223u0022u003eFast LTL Freight Shippingu003c/iu003eu003c/pu003enu003c/liu003enu003cliu003enu003cp data-path-to-node=u00228,3,1,1,0u0022u003eu0026#x1f6e1;u0026#xfe0f; u003ci data-path-to-node=u00228,3,1,1,0u0022 data-index-in-node=u00224u0022u003eManufacturer Warrantyu003c/iu003eu003c/pu003enu003c/liu003enu003cliu003enu003cp data-path-to-node=u00228,3,1,2,0u0022u003eu0026#x1f4de; u003ci data-path-to-node=u00228,3,1,2,0u0022 data-index-in-node=u00223u0022u003eExpert Phone Supportu003c/iu003eu003c/pu003enu003c/liu003enu003c/ulu003e

Key Features

  • Optimized Solar Transmittance: The commercial-grade 6 mil clear EVA plastic film yields 92%–96% light transmittance and an 80% thermal effect. Integrated anti-fogging and anti-dripping properties protect sensitive seedlings.

  • Precision Climate Control: Dual 4′ hand-crank roll-up sides allow operators to instantly regulate internal ventilation, temperature, and humidity levels.

  • Commercial Framework: Constructed with a rust-resistant galvanized steel frame featuring 18 GA (⌀1.25”) truss arches and 19 GA (⌀1”) horizontal purlins, utilizing a 50″ bay spacing to reinforce structural integrity.

  • Streamlined Access: A standard 4’ W x 6’ H walk-through door ensures straightforward entry for personnel, materials, and cultivation tools.

  • Secure Film Fastening: Integrated aluminum lock channels and steel wiggle wires guarantee the EVA cover remains tightly tensioned in adverse weather conditions.

Technical Specifications

  • Model: TMG-GH1220

  • Floor Footprint: 13’ W x 22.3’ L (Approx. 240 sq-ft)

  • Peak Ceiling Height: 7’

  • Frame Structure: Galvanized steel (⌀1.25” arches / ⌀1” purlins)

  • Cover Material: 6 mil clear EVA plastic film (Replacement covers available)

  • Hardware Included: Lock channels, wiggle wires, and heavy-duty footplates

  • Foundation Requirement: Concrete slab, solid wood, or equivalent

  • Note: Horizontal 1×6 treated wood sides are not included. Engineering drawings are not provided.

Shipping & Delivery

  • Processing Time: 2–3 business days

  • Transit Time: 10–15 business days (subject to location and site accessibility)

  • Packaging Type: Secure wood shipping crate

  • Shipping Dimensions: 87” L x 29” W x 11” H

  • Shipping Weight: 345 lbs

Before You Order

  • Free freight applies to most orders over $1,000; loading docks, loading ramps and bridges are excluded.
  • Oversized freight may require carrier confirmation and unloading equipment at delivery.
  • Local pickup in Gravois Mills, Missouri can save $200 on eligible orders over $1,000.

Need help before ordering? Call 660-858-8251 or contact us with your delivery ZIP code and equipment details.

Why Order From Cliffhouse Buildings?

  • Missouri-based support for equipment, shelters, attachments, fuel systems, and jobsite products.
  • Secure online checkout with freight and pickup guidance before fulfillment.
  • Most $1K+ orders qualify; docks/ramps/bridges excluded, plus $200 local-pickup savings on eligible orders.

u003cp data-path-to-node=u00224u0022u003eu003cb data-path-to-node=u00224u0022 data-index-in-node=u00220u0022u003eFreight policy:u003cbr /u003eShipping offers vary by product. Qualifying products may include free LTL freight to U.S. commercial addresses; residential delivery, liftgate and other accessorial services are extrau003c/bu003eu003c/pu003enu003cp data-path-to-node=u00224u0022u003eu003cb data-path-to-node=u00225,0,0u0022 data-index-in-node=u00220u0022u003eStandard freight delivery:u003cbr /u003eu003c/bu003eCustomer must provide a forklift or heavy machinery to unload.u003cbr /u003eIf unloading equipment is unavailable, liftgate or other accessorial fees may apply and are confirmed before dispatch.u003c/pu003enu003cpu003eu0026#x26a0;u0026#xfe0f; u003cb data-path-to-node=u002211,0u0022 data-index-in-node=u00223u0022u003eOversize Freight:u003cbr /u003eu003c/bu003eLarge structures require custom freight routing and are excluded from automatic free freight.u003c/pu003enu003cpu003eu003cb data-path-to-node=u002211,0u0022 data-index-in-node=u0022115u0022u003eHow to order:u003c/bu003e Proceed through checkout and select the shipping method shown for the product.u003cbr /u003eIf residential, liftgate, limited-access or another accessorial service applies, CHB confirms the additional charge before dispatch.u003c/pu003enu003cpu003eu003ci data-path-to-node=u002211,0u0022 data-index-in-node=u0022313u0022u003eNeed delivery help first? Click the chat icon in the corner to review the shipping terms!u003c/iu003eu003c/pu003enu003cp data-path-to-node=u00226u0022u003eu003cb data-path-to-node=u00226u0022 data-index-in-node=u00220u0022u003eLOCAL PICKUP (Gravois Mills, MO)*u003c/bu003eu003c/pu003enu003cul data-path-to-node=u00227u0022u003enu003cliu003enu003cp data-path-to-node=u00227,0,0u0022u003eFree local pickup is available by appointment only.u003cbr /u003eComplimentary loading assistance is provided on-site.u003c/pu003enu003c/liu003enu003cliu003enu003cp data-path-to-node=u00227,0,0u0022u003eu003cb data-path-to-node=u00228u0022 data-index-in-node=u00220u0022 style=u0022font-size: 14px;u0022u003e LOCAL PICKUP OFFERS VARY BY PRODUCT:u003cbr /u003eu003c/bu003eTake u003cb data-path-to-node=u00229,0,0u0022 data-index-in-node=u00225u0022u003e$200 OFFu003c/bu003e only on eligible products. Excluded products do not receive the automatic coupon.u003c/pu003enu003c/liu003enu003c/ulu003enu003cul data-path-to-node=u00229u0022u003eu003c/ulu003e

Load out assistance at Cliffhouse Buildings. We have staff and equipment for loading customer purchases.

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