VIVOSUN 10x20.75 seedling heat mat, black with green text, power cord, branded box, and beige VIVOSUN storage bag.

VIVOSUN durable, waterproof heat mat used for plant sprouting, indoor gardening, terrarium warming, and home brewing.

Multi-layered VIVOSUN seedling heat mat cutaway: flexible PVC mats and glowing honeycomb heating film for warmth.

VIVOSUN seedling heat mat with green plants, showing far-infrared heating tech, >90% efficiency & heat distribution.

VIVOSUN 10x20.75 IP67-Rated Waterproof seedling heat mat covered in water droplets with visible instructions.

VIVOSUN 10″ x 20.75″ Seedling Heat Mat

Price:

$29.99 USD

Pay as little as
$2999/mo

for a term that suits you, up to 36 months.

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MODEL: WEB-330101NJ

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VIVOSUN 10″ x 20.75″ Seedling Heat Mat

Tired of slow, unreliable germination? Give your seeds and cuttings the consistent warmth they need to thrive with the VIVOSUN 10″ x 20.75″ Seedling Heat Mat. This mat provides gentle, uniform bottom heat, creating the perfect environment to accelerate seed starting and boost root development, ensuring your plants get the strongest possible start.

Ideal for home gardeners and hydroponic growers, this professional-grade mat uses advanced far-infrared technology to maintain optimal soil temperatures between 68-86°F (20-30°C). The energy-efficient 18-watt design heats up in minutes without driving up your electricity bill. Its durable, waterproof, and MET-certified construction ensures safety and longevity, allowing for easy cleaning. The 10″ x 20.75″ size is perfectly designed to accommodate standard 1020 seed trays, making it a seamless addition to your propagation setup.

Features

VIVOSUN 10″ x 20.75″ Seedling Heat Mat showing internal heating element structure

VIVOSUN 10″ x 20.75″ Seedling Heat Mat MET certified waterproof construction

VIVOSUN 10″ x 20.75″ Seedling Heat Mat rolled up showing flexibility

VIVOSUN 10″ x 20.75″ Seedling Heat Mat with a 1020 seed tray on top

🌱

Optimal Germination Temp

Maintains the ideal 68-86°F range for rapid seed germination and cutting success.

💧

Waterproof & Safe

MET-certified waterproof design allows for safe, easy cleaning and long-lasting durability.

⚡️

Energy-Efficient

Low 18-watt consumption provides consistent heat without high electricity costs.

✅

Perfect Tray Fit

Sized at 10″ x 20.75″ to provide complete coverage for standard 1020 seedling trays.

Specifications

Specification	Value
Dimensions	10″ x 20.75″
Power Consumption	18 Watts
Temperature Range	68-86°F (20-30°C)
Maximum Temperature	104°F (40°C)
Safety Certification	MET Standard
Heating Technology	Far-Infrared

Support & Manuals

📄VIVOSUN Seedling Heat Mat Manual

Warranty

This VIVOSUN heat mat includes a 1-year after-sale service warranty and offers free returns within 30 days of delivery for your peace of mind.

FAQs

Can I use this mat with a thermostat controller?+

Yes, this heat mat is fully compatible with thermostat controllers for precise temperature management. For optimal control, we recommend pairing it with the VIVOSUN Seedling Heat Mat Thermostat to maintain a perfectly stable environment for your plants.

Is this heat mat safe to leave on unattended?+

Absolutely. The mat is MET-certified, meeting strict safety standards. Its durable, waterproof construction ensures safe operation, even in humid environments like a grow tent. However, for ultimate safety and temperature precision, using a thermostat is always recommended.

Can I place my seed tray directly on the mat?+

Yes, you can. The mat is designed for direct contact with standard 1020 plastic seed trays. The far-infrared technology provides gentle, uniform heat that will not scorch the tray or your delicate seedlings.

How much energy does this mat use?+

The mat is highly energy-efficient, consuming only 18 watts of power. This allows you to run it continuously to maintain ideal germination temperatures without a significant impact on your electricity bill.

How do I clean the mat?+

Thanks to its waterproof design, cleaning is simple. Unplug the mat and wipe it down with a damp cloth. For tougher residue, you can use a mild soap solution. Ensure the mat is completely dry before plugging it back in.

Where can I learn more about setting up a grow space?+

For a comprehensive overview of creating the ideal indoor growing environment, from lighting to ventilation, check out our complete grow room setup guide. It covers everything you need to know to get started.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

Most orders are processed within 24-48 hours after being placed.

Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

VIVOSUN 10″ x 20.75″ Seedling Heat Mat