Seedling Heat Mat & Thermostat Combo | 20' x 20.75' | Fits Two 1020 Trays | Safe, Energy-Efficient Propagation Mat for Seed Starting & Cloning

Professional-Grade 20’ x 20.75’ Heat Mat & Thermostat Combo – Uniform Root Zone Heating for Faster Germination & Healthier Plants

Boost germination rates and seedling success with this 20’ x 20.75’ Seedling Heat Mat and Digital Thermostat Combo. Designed to gently raise the root zone temperature by 10-20oF above ambient, this mat provides the perfect thermal environment for seed trays and clones. It fits two standard 1020 propagation trays, making it ideal for small grow tents, indoor greenhouses, or windowsill gardening.

Paired with a digital thermostat controller, this combo delivers consistent, adjustable heat between 68-108oF (20-42oC) and includes a precision sensor probe for real-time temperature readings.

Consistent Root Zone Heating
Maintains temperatures 10-20oF above ambient for reliable seed starting and propagation. Ideal for starting spring crops, cuttings, and cold-sensitive varieties year-round.

Fits Two 1020 Trays
Sized at 20’ x 20.75’, this mat offers more coverage than comparable models, giving you space-efficient heat distribution for dual-tray propagation setups.

Digital Thermostat with Sensor Probe
Set and monitor your temperature range from 68-108oF (20-42oC) using the simple 3-button interface. Switch between oF and oC modes and fine-tune your growing environment easily.

Safe & Durable Design
Made with strengthened Alloy Nikrothal heating wire, PET insulation film, and a fortified power cord seal. The mat is water-resistant, flexible, and safe for use in humid growing environments.

Low Power Consumption (45W)
Offers a balance of performance and energy efficiency. Ideal for extended use without spiking your electricity bill.

• Seed Starting & Cutting Propagation

• Spring Garden Prep & Indoor Winter Growing

• Use with Humidity Domes, Propagation Trays & Cloners

• Grow Tents, Greenhouses, and Home Gardens

• Root Zone Support for Herbs, Veggies & Flowers

• Mat Dimensions: 20’ x 20.75’

• Coverage: Fits 2 Standard 1020 Trays

• Temperature Range: 68oF – 108oF (20oC – 42oC)

• Temp Increase: 10-20oF Above Ambient

• Power Usage: 45 Watts

• Materials: Alloy Nikrothal Heating Wire, PET Film, Reinforced Waterproof Housing

• Included:

  • Heat Mat (20” x 20.75”)

  • Digital Thermostat Controller

  • Temperature Probe

  • Instruction Manual