AC Infinity SUNCORE H3 Propagation Heat Mat with Digital Controller

AC Infinity SUNCORE H3 – Seedling Heat Mat with Digital Heat Controller

Give seeds a better start with gentle, even warmth

The AC Infinity SUNCORE H3 is a propagation heat mat designed to make germination and propagation easier. It provides gentle, even warmth beneath propagation trays, helping growers maintain better temperatures around developing roots.

Getting seeds to germinate can be frustrating, especially during colder months. Even when the room feels warm enough, the growing medium can still be too cold.

When root-zone temperatures drop, seeds may take longer to germinate. They can also develop unevenly, leaving growers with seedlings at different stages.

The SUNCORE H3 helps solve this by providing warmth directly where it’s needed.

Warm the roots, not the whole room

Seeds and young plants often benefit from warmer growing media during their early stages.

Instead of heating an entire grow room, the SUNCORE H3 works from underneath the propagation tray. This helps maintain a more suitable temperature around seeds and developing roots.

As a result, growers can improve germination consistency without making major changes to the surrounding environment.

The mat also provides useful warmth when propagating cuttings or establishing young plants.

Of course, different plants need different temperatures. The SUNCORE H3 makes it easier to provide extra warmth when the growing medium gets too cold.

Even heat across the whole mat

The AC Infinity SUNCORE H3 uses far-infrared heating film to spread warmth across its surface.

Unlike traditional heating wires, this thin heating film provides more even heat distribution. That helps reduce hot spots and supports consistent conditions across the propagation tray.

This is particularly useful when starting several seeds at once. After all, growers want seedlings to develop at a similar rate rather than dealing with uneven germination.

The heating film also warms up quickly, making it easy to introduce gentle bottom heat when needed.

Take control with the digital heat controller

One of the biggest benefits of the SUNCORE H3 is its supplied digital heat controller.

Rather than guessing how warm the mat is, growers can check the temperature directly on the digital display. They can also adjust the target setting to suit their plants.

This gives growers greater control throughout germination and early propagation.

For example, some seeds prefer warmer conditions, while others need less heat. The adjustable controller makes it easier to respond to those different requirements.

Plus, the clear display helps growers keep an eye on temperature without repeatedly checking the growing medium by hand.

Waterproof design for everyday propagation

Propagation can get messy. Watering trays, damp surfaces and high humidity are all part of the process.

That’s why the AC Infinity SUNCORE H3 features an IP67-rated waterproof mat.

Its durable, four-layer PVC construction protects the heating elements against water and dust. The material also resists everyday wear, making it suitable for repeated growing cycles.

Cleaning is simple, too. Just unplug the mat and wipe down its surface when required.

Once it’s clean and dry, the flexible design allows growers to roll it up for convenient storage.

A practical size for propagation trays

Measuring 25.4 × 52.7 cm (10 × 20.75 inches), the SUNCORE H3 provides a useful heating area for seedling trays.

Simply place it on a suitable flat surface and position the propagation tray above it.

The mat uses up to 20 W of power, so it provides targeted warmth without the energy demand of a room heater.

For extra control over propagation conditions, growers can also use a suitable humidity dome above their seedlings.

This helps reduce moisture loss while the heat mat warms the growing medium from below.

Together, warmth and humidity can support a more consistent environment during germination and early growth.

Key benefits

• Provides gentle bottom heat for seed germination and propagation
• Helps maintain suitable temperatures around developing roots
• Digital heat controller with temperature display
• Adjustable heat settings for different growing requirements
• Far-infrared heating film for even warmth
• Helps reduce hot spots across the mat
• IP67-rated waterproof mat
• Durable four-layer PVC construction
• Easy to wipe clean and roll up for storage
• Suitable for seedling trays, cuttings and propagation
• Measures 25.4 × 52.7 cm (10 × 20.75 inches)
• Maximum power draw of 20 W

Important information

• Designed for use beneath suitable seedling and propagation trays
• The mat has an IP67 rating; this should not be taken as a waterproof rating for the controller
• Always follow the recommended germination temperature for the plant being grown
• Not part of the AC Infinity UIS ecosystem