Haydale JustHeat

Parent: [[reference/applications]] · [[topics/manufacturing/haydale]]

What it is

Haydale JustHeat: plasma-functionalised graphene ink printed on PET, silver bus bars, copper tape, PET laminate. Sits under a floor covering. 48 V class. Indoor dry use. Company: CE and UL in 2025 results copy.

Numbers on the install guide (V25)

• Panel 600 × 530 mm (~0.31 m²)
• 62 W ±10% per panel at 48 V; ~1.25 A; 200 W/m² ±10%
• Max surface they state: 43 °C
• Substrate PET 250 µm; top PET 75 µm
• Ink: Haydale graphene-based heater ink + silver + copper tape

What stays company language

White paper (Mar 2025): demo-room modelling of large energy-cost and carbon cuts; “effective efficiency >100%” vs other systems on their comparison basis. That is Haydale’s model, not a utility tariff study on this page.