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AC Infinity S3 seedling heat mat with corded thermostat and power plug, black with blue leaf pattern.
AC Infinity Suncore S3 seedling heat mat (10" x 20.75") with instruction label and dimensions.
Black AC Infinity heat mat controller with dial, L/M/H settings, and power button.
AC Infinity seedling heat mat with UL, MET, IP-67, temp, and energy efficient certifications.
3D diagram showing layers of a seedling heat mat: multi-layer PVC, infrared film, and graphite base.
AC Infinity seedling heat mat with plants, showing heat distribution.
Black seedling heat mat with blue leaf design and seedling tray with 10 young plants.
AC Infinity S3 seedling heat mat with corded thermostat and power plug, black with blue leaf pattern.
AC Infinity Suncore S3 seedling heat mat (10
Black AC Infinity heat mat controller with dial, L/M/H settings, and power button.
AC Infinity seedling heat mat with UL, MET, IP-67, temp, and energy efficient certifications.
3D diagram showing layers of a seedling heat mat: multi-layer PVC, infrared film, and graphite base.
AC Infinity seedling heat mat with plants, showing heat distribution.
Black seedling heat mat with blue leaf design and seedling tray with 10 young plants.
Extra 5% Off

AC Infinity Suncore S3 Seedling Heat Mat - 10" x 20.75"

Price:
$21.99 USD
Or
Pay as little as
$2199/mo
for a term that suits you, up to 36 months. Learn More
⚡ EXCLUSIVE OFFER! 5% off this item
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MODEL: AC-SMS3
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AC Infinity Suncore S3 Seedling Heat Mat - 10" x 20.75"

Struggling with slow or inconsistent seed germination? Cold temperatures can be the biggest barrier to successful propagation. The AC Infinity Suncore S3 Seedling Heat Mat is the solution, providing gentle, consistent warmth to create the perfect environment for rapid root development and giving your plants the best possible start. The Suncore S3 is a cornerstone of any serious propagation setup, ensuring your seedlings and clones thrive from day one.

Engineered with an innovative far-infrared film, this mat distributes heat evenly across its entire surface, eliminating hot spots that can scorch delicate roots. The simple inline controller allows you to maintain the ideal temperature, while the rugged, IP67 waterproof quad-layer PVC construction ensures durability and safety for years of use. As a key component of the AC Infinity ecosystem, this mat is designed for reliability and performance.

Features

AC Infinity Suncore S3 mat with healthy seedlings
AC Infinity Suncore S3 used for a reptile enclosure
🌡️
Intelligent Heat Control

Features an inline controller to dial in the perfect warmth for your specific seeds or clones.

🔥
Uniform Far-Infrared Heat

Provides consistent, gentle heat across the entire mat surface without creating damaging hot spots.

✅
Durable & Safe

Built with IP67 waterproof quad-layer PVC and meets UL/MET certifications for complete peace of mind.

🦎
Versatile Applications

Ideal for more than just plants; use it for home brewing, fermentation, or reptile enclosures.

Specifications

Specification Value
Total Dimensions 10 x 20.75 in. (25.4 x 52.7 cm)
Outer Material Multilayer PVC
Heating Material Far Infrared Film
Temperature Range 80-87°F
Waterproof Rating IP-67
Operating Voltage 100-125V AC
Max Power Draw 20 W
Power Source Wall Outlet

Support & Manuals

Warranty

This AC Infinity product includes a two-year manufacturer's warranty. Please note this does not cover non-durable goods or consumables.

FAQs

What is the ideal use for the Suncore S3 heat mat?+

The Suncore S3 is designed to accelerate seed germination and promote healthy root growth in seedlings and clones by providing consistent, controlled warmth to the root zone.

What size tray does this mat fit?+

Its 10" x 20.75" dimensions are designed to perfectly fit a standard 1020 seedling tray, making it an ideal companion for most humidity domes and germination kits.

Is this heat mat safe to use indoors?+

Absolutely. The mat is both UL and MET certified for electrical safety and features an IP67 waterproof rating, making it safe and durable for use in indoor growing environments.

How durable is the mat?+

The Suncore S3 is constructed with a rugged, quad-layer PVC material that is flexible yet highly resistant to fraying, tearing, and water damage, ensuring a long operational lifespan.

Can I use this with other AC Infinity controllers?+

While the Suncore S3 includes its own effective inline temperature controller for standalone use, it is part of the extensive AC Infinity ecosystem. For more advanced, centralized environmental control, you might consider a unit like the AC Infinity Smart Controller 69 Pro.

What else can I use this mat for besides plants?+

Yes, its gentle and consistent heat makes it suitable for various hobbies, including home-brewing kombucha or beer, fermenting yogurt or sourdough, and providing warmth for reptile terrariums.

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

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