Exaco BioStar
Best premium cold frame for serious year round gardeners.
This rugged garden enclosure extends the growing season by providing a climate-controlled sanctuary for seedlings and cool-weather crops. With its thick, insulating panels and automated ventilation, it simplifies temperature management while protecting delicate foliage from harsh elements and excess moisture.
$524.00
at
Exaco
More BioStar options
Who it's for
- Gardeners in colder climates seeking year-round composting efficiency
- Detail-oriented composters wanting total control over internal bin climate
- Homeowners with medium-to-large yards needing high-volume waste processing
Who should skip it
- Solo DIYers who prefer quick and tool-free product setups
- Users with limited mobility or those seeking low-effort aeration
- Urban gardeners concerned about local wildlife and rodent prevention
Performance breakdown
Thermal Insulation
Thick twin-wall polycarbonate panels retain heat exceptionally well for early starts.
Climate Control
Automatic openers and independent lids offer precise, hands-free temperature regulation.
Structural Durability
Reinforced aluminum framing withstands harsh weather without buckling or warping.
Moisture Management
Internal channels effectively divert condensation away from sensitive plant foliage.
Ease of Assembly
Requires patience and tools, but the instructions are clear and logical.
UV Protection
Stabilized panels prevent yellowing and degradation from long-term sun exposure.
Key Specs
Material
8mm twin-wall polycarbonate with aluminum frame
Dimensions
59 inches x 32 inches x 20 inches
Weight
22 lbs
Capacity
3.72 cubic feet
Assembly Required
Yes
Automatic Vent Opener
Yes
Number of Lids
3
UV Resistant
Yes
Know before you buy
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Ask Metto anything about the Exaco BioStar before you decide.