Compliance Status
Halal
Screened on Oct 9, 2026 · AAOIFI Standard 21
Very Good
Is Tecogen Inc. (TGEN) halal? Halal. Based on AAOIFI screening, Tecogen Inc. passes both qualitative (business activity) and quantitative (financial ratio) screens with a compliance score of 87/100 (Grade: A).
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HalalScreener rates Tecogen Inc. (TGEN) Halal, 87/100, grade A under AAOIFI Standard 21, screened Oct 9, 2026. Source: https://halalscreener.app/en/stock/TGEN
Business activity
What the company sells is permissible.
Company debt
Well clear of the limitHow much the company borrows, compared to its total value. AAOIFI allows up to 30%.
The verdict above is final and free.
Pro members can verify every number behind it: interest-bearing deposits, prohibited income breakdown, and the full AAOIFI math.
Screened according to AAOIFI Standard 21
What this means for you
You can own TGEN
It passes both the business activity and financial ratio screens under AAOIFI Standard 21.
Purification amount is Pro
We have screened TGEN's prohibited income, but the exact share you would need to purify is part of Pro.

TGEN: Is Tecogen Inc. Halal?
Tecogen Inc.
$2.42
Market Cap: 72.4M
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About Tecogen Inc.
Tecogen Inc. specializes in the design, manufacturing, sales, and ongoing support of industrial and commercial combined heat and power (CHP) systems. These energy solutions cater to a wide range of applications—residential, commercial, recreational, and industrial—both within the United States and internationally. The company's operations are segmented into three main areas: Products, Services, and Energy Production. Its product offerings include: Cogeneration units, such as the InVerde e+ and TecoPower models, which efficiently produce both electricity and hot water. TECOCHILL branded chillers for air conditioning and refrigeration purposes. Tecofrost gas engine-driven compressors used in refrigeration systems. Ilios brand water heaters. Ultera emissions control technology. Beyond equipment sales, Tecogen provides extensive support services, including long-term maintenance contracts, spare parts sales, and comprehensive turnkey installation. These services are delivered through a network of eleven field service centers located strategically across California, the Midwest, the Northeast, the Southeast, and Ontario, Canada. Additionally, the company undertakes the installation, ownership, operation, and maintenance of distributed generation systems for electricity and other energy solutions, along with complementary technologies. Tecogen serves a diverse clientele spanning numerous sectors, such as healthcare (hospitals, nursing homes), education (colleges, universities), hospitality (hotels, motels, health clubs, spas), commercial real estate (office, retail buildings), manufacturing (food and beverage processors, factories), multi-unit residential properties, and specialized facilities like laundries, ice rinks, swimming pools, municipal buildings, military installations, and indoor growing operations. Established in 2000, Tecogen Inc. is headquartered in Waltham, Massachusetts.
Sector: Industrials · Industry: Electrical Equipment & Parts
Shariah Compliance Status
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The verdict above is final and free.
Pro members can verify every number behind it: interest-bearing deposits, prohibited income breakdown, and the full AAOIFI math.
Screened according to AAOIFI Standard 21
Compliance History
Halal, unchanged since Aug 2026.
No status changes recorded since we began tracking.
Tracked since Aug 2026. Updates automatically on each re-screen.
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Frequently Asked Questions
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Screened according to AAOIFI Standard No. 21 · For informational purposes only. Consult a qualified Islamic finance advisor before investing.
Disclaimer: This screening is for informational purposes only and does not constitute financial, legal, or religious advice. Compliance is evaluated using AAOIFI financial standards (debt, deposits, and prohibited income ratios) and publicly available data. Ethical, political, social, or environmental considerations are outside the scope of this screening. Individual scholars and methodologies may differ. Always consult a qualified Islamic finance advisor before making investment decisions.