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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 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 Certification for Firetube Boiler Burner in China

April 28th, 2021|All, Homepage News, Investor News, Press Releases|

SEATTLE, April 28, 2021 /PRNewswire/ -- ClearSign Technologies Corporation (Nasdaq: CLIR) ("ClearSign" or the "Company"), an emerging leader in industrial combustion

ClearSign Technologies Corporation Receives Process Burner Order from Super Major Global Refinery for European Installation

February 3rd, 2021|Homepage News, Investor News, Press Releases|

SEATTLE, February 2, 2021 – ClearSign Technologies Corporation (Nasdaq: CLIR) (“ClearSign” or the “Company”), an emerging leader in

Research & Development

We are creating 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.  At our testing facility in Seattle, our team strives to develop solutions that increase emissions 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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firetube

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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flamemobileapp

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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