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ClearSign Combustion Corporation (CLIR)



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Upturn Advisory Summary
08/14/2025: CLIR (1-star) is currently NOT-A-BUY. Pass it for now.
1 Year Target Price $2
1 Year Target Price $2
0 | Strong Buy |
1 | Buy |
0 | Hold |
0 | Sell |
0 | Strong Sell |
Analysis of Past Performance
Type Stock | Historic Profit -32.4% | Avg. Invested days 30 | Today’s Advisory PASS |
Upturn Star Rating ![]() ![]() | Upturn Advisory Performance ![]() | Stock Returns Performance ![]() |
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Key Highlights
Company Size Small-Cap Stock | Market Capitalization 32.14M USD | Price to earnings Ratio - | 1Y Target Price 2 |
Price to earnings Ratio - | 1Y Target Price 2 | ||
Volume (30-day avg) 1 | Beta 1.08 | 52 Weeks Range 0.46 - 1.72 | Updated Date 08/15/2025 |
52 Weeks Range 0.46 - 1.72 | Updated Date 08/15/2025 | ||
Dividends yield (FY) - | Basic EPS (TTM) -0.12 |
Analyzing Revenue: Products, Geography and Growth
Revenue by Products
Earnings Date
Report Date 2025-08-14 | When - | Estimate -0.04 | Actual - |
Profitability
Profit Margin -216.48% | Operating Margin (TTM) -562.84% |
Management Effectiveness
Return on Assets (TTM) -44.28% | Return on Equity (TTM) -75.96% |
Valuation
Trailing PE - | Forward PE 72.99 | Enterprise Value 19442553 | Price to Sales(TTM) 11.1 |
Enterprise Value 19442553 | Price to Sales(TTM) 11.1 | ||
Enterprise Value to Revenue 6.72 | Enterprise Value to EBITDA -3.71 | Shares Outstanding 52426300 | Shares Floating 43134308 |
Shares Outstanding 52426300 | Shares Floating 43134308 | ||
Percent Insiders 5.56 | Percent Institutions 24.65 |
Upturn AI SWOT
ClearSign Combustion Corporation

Company Overview
History and Background
ClearSign Combustion Corporation (CLIR) was founded in 2008. It focuses on developing and deploying combustion and emissions control technologies for industrial, commercial, and utility markets. Its evolution has been centered around refining its core technology and expanding into new applications and markets.
Core Business Areas
- Industrial Combustion: Development and commercialization of combustion technologies for industrial applications like flares, process heaters, and boilers. Focus is on improving efficiency and reducing emissions.
- Commercial Combustion: Applying combustion technology to commercial systems that include power generation.
Leadership and Structure
The leadership team consists of experienced professionals in engineering, technology, and business development. The organizational structure is designed to support R&D, manufacturing, and sales efforts.
Top Products and Market Share
Key Offerings
- Duplex Plug and Play (DPP) Burner: A low-NOx burner technology designed for various applications. Market share data is not readily available publicly, however, ClearSign is a small player in a large market. Competitors include established burner manufacturers like John Zink Hamworthy Combustion, Honeywell Thermal Solutions, and Zeeco.
- Electrically Driven Combustion: Electrically Driven Combustion is in development, however, no market share data or revenue is currently generated. Competitors include established burner manufacturers like John Zink Hamworthy Combustion, Honeywell Thermal Solutions, and Zeeco.
Market Dynamics
Industry Overview
The industry is driven by increasing environmental regulations, demand for energy efficiency, and the need to reduce emissions. The power generation, refinery and petrochemical industries are key customers.
Positioning
ClearSign is a technology provider focusing on niche applications within the combustion market. Its competitive advantage lies in its specialized technology and focus on emissions reduction.
Total Addressable Market (TAM)
The TAM for industrial combustion technologies is estimated to be several billion dollars globally. ClearSign is positioned to capture a share of this market by focusing on specific applications where its technology offers a distinct advantage.
Upturn SWOT Analysis
Strengths
- Proprietary technology
- Focus on emissions reduction
- Potential for high margins
Weaknesses
- Limited financial resources
- Small market share
- Reliance on key partnerships
Opportunities
- Increasing environmental regulations
- Growing demand for energy-efficient technologies
- Expansion into new markets
Threats
- Competition from larger, established players
- Technological obsolescence
- Economic downturns
Competitors and Market Share
Key Competitors
- John Zink (HLN)
- Honeywell (HON)
- Zeeco N/A
Competitive Landscape
ClearSign faces intense competition from established players with greater resources and market reach. ClearSign's advantage lies in its specialized technology, however adoption is slow.
Growth Trajectory and Initiatives
Historical Growth: Historical growth has been slow and uneven, tied to the adoption rate of new technologies.
Future Projections: Future growth is dependent on successful commercialization of its technologies and expansion into new markets. Analyst estimates vary.
Recent Initiatives: Recent initiatives include strategic partnerships and investments in product development.
Summary
ClearSign Combustion Corporation is a small technology company with promising combustion and emissions control technology. The company's success depends on securing partnerships and expanding the reach of its technology. Competition from larger companies is intense, and limited financial resources are a key constraint. ClearSign needs to focus on commercialization to grow.
Peer Comparison
Sources and Disclaimers
Data Sources:
- Company Website
- SEC Filings
- Industry Reports
- Analyst Reports
Disclaimers:
This analysis is based on publicly available information and is for informational purposes only. It is not financial advice. Market share data is estimated based on available industry data and may not be precise.
AI Summarization is directionally correct and might not be accurate.
Summarized information shown could be a few years old and not current.
Fundamental Rating based on AI could be based on old data.
AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action.
About ClearSign Combustion Corporation
Exchange NASDAQ | Headquaters Tulsa, OK, United States | ||
IPO Launch date 2012-04-25 | CEO, Corporate Secretary & Director Dr. Colin James Deller Ph.D. | ||
Sector Industrials | Industry Pollution & Treatment Controls | Full time employees 16 | Website https://www.clearsign.com |
Full time employees 16 | Website https://www.clearsign.com |
ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems in the United States, the People's Republic of China, and Hong Kong. The company's technologies include ClearSign core burner technology consists of an industrial burner body and a downstream porous ceramic or metal flame stabilizing structure; ClearSign core process burner technology that provides a direct burner replacement for traditional refinery process heaters; ClearSign core boiler burner technology; ClearSign core flaring burners that can be used individually, or in combination, to provide a flare product with extremely low nitrogen oxide emissions; and ClearSign eye flame sensor, an electrical flame sensor for industrial applications. It serves energy, institutional, commercial and industrial boiler, chemical, and petrochemical industries. ClearSign Technologies Corporation was formerly known as ClearSign Combustion Corporation and changed its name to ClearSign Technologies Corporation in November 2019. The company was incorporated in 2008 and is headquartered in Tulsa, Oklahoma.

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