Its role Investor / Financier
Protair-X Americas, Inc. is a Delaware corporation established as the purchaser in a Series A Preferred Unit Purchase Agreement with Aemetis Biogas LLC dated December 20, 2018. Acting with Third Eye Capital Corporation as agent, the company acquired up to 6 million Series A Preferred Units for up to $30 million to finance the development of a dairy biogas-to-renewable natural gas (RNG) project in Keyes, California. The investment supports a phased network of dairy digesters, pipelines, and upgrading facilities that convert manure into pipeline-quality RNG injected into the PG&E grid.
The entity forms part of the Protair-X group, which includes Protair-X Technologies Inc., a Toronto-based designer and manufacturer of patented anti-viral and anti-microbial air filtration systems, face masks, and hand sanitizers. The group specializes in biosecurity and environmental solutions for agriculture (barn filtration to improve animal health), HVAC applications, healthcare, and institutional sectors, emphasizing durable, washable, recyclable polypropylene membrane filters with antimicrobial properties.
As a portfolio company of Third Eye Capital, an alternative investment firm, Protair-X Americas focuses on equity financing for sustainable projects in North America. Its primary activities center on supporting low-carbon technologies, including methane capture and RNG production from agricultural waste. The company maintains a position in the renewable fuels and environmental technology investment space, with ongoing involvement in the Aemetis Biogas expansion as evidenced by multiple amendments to the preferred unit agreement extending redemption terms into 2026.
Also known as Protair-X Technologies Inc..
chemXplore tracks 1 project involving Protair-X Americas, of which one is active.
Dairy RNG output and a September 45Z model revision lifted tax‑credit revenue and profitability while Keyes MVR progress and two new digesters expand capacity.
Two digesters added to a 14-unit network feeding 36 miles of pipeline to a Keyes RNG plant; Keyes fueling station to begin truck deliveries in November 2026.
Revenue rose 20% to $62.7M; operating income turned positive; Adjusted EBITDA $9.7M; Dairy RNG volumes grew 38%; two dairy digesters expected Q3 2026.
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