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Our Products. Your Solution.

We are committed to developing innovative and differentiated combustion solutions. Our technologies for new systems and retrofits include sub 2.5 ppm and sub 5 ppm NOx guarantees, no flame impingement, low CO emissions and reliable flame detection. ClearSign enables businesses of every scale the opportunity to incorporate combustion solutions that not only meet or exceed their operational and financial needs and goals, but also dramatically improve environmental impact.

ClearSign Technologies Corporation Receives Support and Collaboration from SoCalGas for its Flexible Hydrogen Fueled Ultra Low NOx Process Burner Project

September 20th, 2023|Homepage News, Investor News, Partnerships, Press Releases|

TULSA, Okla., September 20, 2023 -- ClearSign Technologies Corporation (Nasdaq: CLIR) ("ClearSign" or the "Company"), an emerging leader

ClearSign Technologies Corporation Awarded Phase 2 Grant from Department of Energy to Commercialize a Flexible Hydrogen Fueled Ultra Low NOx Process Burner

August 29th, 2023|Homepage News, Investor News, Press Releases|

TULSA, Okla., August 29, 2023 -- ClearSign Technologies Corporation (Nasdaq: CLIR) ("ClearSign" or the "Company"), an emerging leader

ClearSign Technologies Corporation Receives Follow on Process Burner Order for Two Multi Burner Heaters from a California Refinery

May 18th, 2023|Homepage News, Investor News, Press Releases|

Continuation of Project from Engineering Order and Totals 13 Burners   TULSA, Okla., May 18, 2023 -- ClearSign

Research & Development

We have created new and improved technologies that offer unique solutions to some of the world’s most pressing productivity, energy efficiency and pollution problems affecting the energy, oil and gas production, boiler and processing industries.  Through our multi-burner testing at Zeeco’s state of the art testing facility and our 3rd party validated performance tests with California Boiler, our team has developed solutions that reduce emissions and increase efficiency while maintaining our focus on durable, cost-effective solutions.

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A Solution for All Industries

Regulatory mandates are the common theme among the industries ClearSign serves. We are the trusted leader in combustion solutions by providing unmatched innovation, quality and service in the industries we engage.

Heater with Ultra Low Sub 5ppm NOx process burner

Industrial Segments for Heater Technologies

  • Refinery
  • Petrochemical
  • Reforming
  • Midstream Oil and Gas

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Industrial Segments for Boiler Technologies

  • Chemical
  • Food
  • Steel
  • Cement
  • Residential Heating
  • Refinery
  • Petrochemical

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Enclosed Combustor in snow on oilfield production site

Industrial Segments for Flaring Technologies

  • Upstream Oil and Gas
  • Midstream Oil and Gas
  • Downstream Oil and Gas
  • Biogas
  • Wastewater

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Industrial Segments for Sensing Technologies

  • Power and Steam Generation
  • Refinery
  • Flaring

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  • Jeff Lewallen ClearSign Employee

Featured Customers & Partners

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