ClearSign Wins Phase Two Order for 32 Core™ Burners at California Refinery

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ClearSign secured a purchase order for physical testing and demonstration of 32 Core™ burners across two process heaters at a California refinery, marking the second phase of the retrofit project. The order follows an initial October 2025 CFD and engineering engagement and leverages the new Core 2 flat flame application.

1. Purchase Order for Phase Two Testing

ClearSign received a purchase order for physical testing and demonstration of 32 ClearSign Core™ burners across two process heaters at a California refinery as the second phase of the retrofit project.

2. Core 2 Flat Flame Application

This phase will deploy the new Core 2 burner configuration featuring a flat flame design, expanding compatibility with diverse refinery heater types and promising enhanced emissions reduction and operational efficiency.

3. Follow-Up to Initial CFD and Engineering Order

The latest order builds on an October 2025 CFD and engineering engagement with the same customer, underlining the project’s progression from simulation to full-scale physical testing.

4. Strategic Validation and Market Expansion

Demonstration testing at Zeeco’s full-scale facility and positive decision-maker feedback are set to validate scalability, bolster market awareness, and accelerate adoption of ClearSign’s emission-reduction burners in the refining sector.

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