Saothair Capital Acquires AAI, Revives Legacy Air Products and Controls Brand

Mergers and AcquisitionsImage by Gerd Altmann

WAYNE, PA — Private equity firm Saothair Capital Partners, LLC has acquired Auburn Hills-based fire and life safety manufacturer AAI from Halma Holdings Inc. in a strategic move aimed at accelerating growth and revitalizing brand identity. As part of the transaction, AAI will return to its original name, Air Products and Controls Inc. (APC)—a well-established brand in the commercial fire safety market.

Founded over four decades ago, AAI specializes in wireless smoke, heat, and carbon monoxide detection products for residential security systems and commercial applications. Its portfolio includes commercial duct smoke detectors and CO detectors, which are sold through OEM channels and commercial distributors under the APC brand. The company is known for its regulatory compliance, technical certifications, and product development expertise.

The acquisition aligns with Saothair’s strategy of partnering with specialized manufacturers in essential sectors. “We are tremendously excited to partner with Chief Executive Officer Kaid Cousineau and the senior leadership team to build on the company’s strong foundation and ensure a smooth transition,” said Kevin Madden, Co-founder and Managing Partner at Saothair.

Richard Lozyniak, Co-founder and Operating Partner, added that AAI’s commitment to quality and customer satisfaction made it an ideal investment. “We’re excited to work with the team to foster a culture of continuous improvement, strengthen the customer experience, and build upon the company’s commitment to operational excellence.”

For AAI, the shift marks a new phase of independence. CEO Kaid Cousineau expressed optimism about the company’s future under its new ownership. “We are proud of what we’ve accomplished as part of Halma, and we’re thrilled to partner with Saothair,” he said. “Their long-term mindset, operational expertise, and commitment to supporting growth will help us accelerate our strategic initiatives while delivering the quality, service, and innovation our customers expect.”

The deal was supported by McGuireWoods LLP as legal counsel for Saothair. Halma was advised by Nixon Peabody LLP on legal matters and by Houlihan Lokey as financial advisor.

By reestablishing the APC name and investing in long-term operational growth, Saothair aims to build on AAI’s legacy while positioning the business for continued success in the fire and life safety market.

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