Karibu 57°F Greenhouse PCM Thermal Panel - Box of 6

Includes 6 panels delivering ~435 watt-hours of passive thermal storage. 

Panel dimensions: 11.75" × 7.75" × 0.75" 

Mounting & Placement:

The Karibu Greenhouse PCM Thermal Panel can be wall-mounted, ceiling-mounted, or placed near planting areas without interfering with workflow or valuable growing space.

Thermal Capacity:

Each panel contains ~3.75 lb of PCM. 

A kit of 6 panels delivers ~435 watt-hours of usable thermal energy at plant-relevant temperatures. 

Temperature Selection: 

Panels are available in 50°F and 57°F options. 

Select based on typical winter daytime high temperatures inside the greenhouse. To get the most benefit it is important to ensure that the PCM melts during the day. 

Intended Use:

Designed for greenhouses and indoor grow facilities seeking passive temperature stabilization, reduced heater runtime, and improved overnight temperature consistency. 

What’s Included: 

6 × Karibu Greenhouse PCM Thermal Panels

Installation-ready, sealed PCM units 

Passive operation — no wiring or controls