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clearsign.com

Tulsa, Oklahoma, United States

Industrial decarbonization and emissions-reduction solutions provider for refining, petrochemical, boiler and allied processing industries.

ClearSign Technologies Corporation provides innovative, cost- and energy-efficient solutions for decarbonization and emissions reduction across industrial and energy markets. Serving the refining, petrochemical, boiler and related processing sectors, the company focuses on improving operational performance, energy efficiency and safety in industrial combustion and sensing systems. Through its advanced technology platforms, ClearSign aims to help customers meet stringent environmental regulations while maintaining equipment performance and reliability.

Mission statement

Providing cost and energy efficient solutions that enable the world’s refining, petrochemical, boiler and flaring industries to meet the most stringent environmental toxic emissions regulations and increase efficiency.

Products & Services

ClearSign Core Process Burner Product

Achieves Ultra-Low NOx Emissions While Enhancing Existing Heater Performance.

clearsign.com/process-burners-3
  • NOx Reduction Focus — Achieves Low NOx Emissions
  • Retrofit Suitability — Easily Integrates into Existing Heaters
  • Superior Operating Efficiency — Optimizes Fuel Usage
  • Advanced Burner Technology — Incorporates Cutting-Edge Solutions
  • Hydrogen Compatibility — Supports Cleaner Fuels

ClearSign Core M1 Product

Maximize Efficiency And Minimize Emissions For Industrial Heating.

clearsign.com/midstream-and-power
  • Maximum Efficiency — Achieves High Efficiency Rates
  • No CO Emissions — Ensures Compliance With Emission Standards
  • Ultra-Low NOx Design — Reduces Environmental Impact
  • Easily Retrofittable — Facilitates Simple Integration
  • Robust Design — Supports Longevity And Reliability
  • Short Flame Geometry — Enhances Equipment Compatibility

ClearSign Core Boiler Burner Product

Achieves Sub-2.5ppm NOx Emissions with Easy Automation for Boilers.

clearsign.com/boiler-burners
  • Low NOx Performance — Achieves Industry-Leading Emissions Control
  • Boiler Compatibility — Versatile Integration
  • Automated Package — Enhances Operational Simplicity
  • High Efficiency — Reduces Operational Costs
  • Retrofit Capability — Facilitates Quick Upgrades

ClearSign Core Flares Product

Achieve High Reliability and Low Emissions with ClearSign Core Flares.

clearsign.com/flares
  • High DRE — Achieves 99.99% DRE
  • NOx Performance — Ultra Low NOx <15ppm
  • Modular Design — Scales Firing Capacities
  • VOC Elimination — Reduces Hydrocarbon Slip
  • Community Friendly Design — Ensures No Light Pollution

ClearSign Eye Product

Enables Safe, Non-Contact Flame Detection for Industrial Applications.

clearsign.com/clearsign-eye
  • Electrical Flame Sensor — Provides Reliable Flame Detection
  • Non-Contact Sensing — Detects Flames Without Contact
  • Long Expected Life — Enhances Reliability Over Time
  • Maintenance-Free Design — Reduces Downtime
  • Adaptable Configuration — Fits Diverse Industrial Needs

Market Segments

Low‑NOx boiler burners

Burners that retrofit firetube and watertube boilers to achieve ultra‑low NOx (sub‑2.5 ppm), maintain stable operation at low excess air, and integrate with existing boiler controls to improve fuel efficiency.

Process heater burners

Ultra‑low NOx burners designed for process heaters and refinery heaters to reduce NOx where SCR is uneconomical, enable cost‑effective retrofits, and maintain operating efficiency including hydrogen compatibility.

Midstream and power plant burners

High‑performance burners for midstream and power applications engineered for maximum efficiency, robust operation, retrofitability using existing fuel and air controls, and ultra‑low NOx emissions.

Flares and vapor combustion systems

Modular, enclosed flaring and vapor combustion systems that deliver high destruction and removal efficiency (99.99+% DRE), reduced VOC emissions, low NOx performance, and community‑friendly designs.

Flame monitoring and non‑contact sensors

Electrical, non‑contact flame sensing for industrial combustion that offers long life, low maintenance, adaptable configurations, and reliable flame detection without electrodes contacting the flame.

Common Questions

What does ClearSign Technologies Corporation do?
ClearSign Technologies Corporation provides innovative, cost- and energy-efficient solutions for decarbonization and emissions reduction across industrial and energy markets. Serving the refining, petrochemical, boiler and related processing sectors, the company focuses on improving operational performance, energy efficiency and safety in industrial combustion and sensing systems. Through its advanced technology platforms, ClearSign aims to help customers meet stringent environmental regulations while maintaining equipment performance and reliability.
What is ClearSign Technologies Corporation's role in the Low‑NOx boiler burners market?
Burners that retrofit firetube and watertube boilers to achieve ultra‑low NOx (sub‑2.5 ppm), maintain stable operation at low excess air, and integrate with existing boiler controls to improve fuel efficiency.
What is ClearSign Technologies Corporation's role in the Process heater burners market?
Ultra‑low NOx burners designed for process heaters and refinery heaters to reduce NOx where SCR is uneconomical, enable cost‑effective retrofits, and maintain operating efficiency including hydrogen compatibility.
ClearSign Technologies Corporation — company overview