Research Products Corp, including flagship brand AprilAire, joins Madison Air's premier platform of indoor air quality companies
CHICAGO, May 7, 2025 -- Madison Industries, one of the world's largest privately held companies, announced the successful acquisition of Research Products Corporation (RPC), a leader in innovative indoor air solutions for both residential and commercial environments. RPC will become a part of Madison Air's premier platform of air quality solutions.
Indoor Air innovation leader Madison Air acquires Research Products Corporation
Madison Air was established under the visionary leadership of Madison Industries Founder and CEO Larry Gies, with a mission to make the world safer, healthier and more productive. Gies set a clear goal – to build an industry-leading air solutions platform through strategic acquisition and focused growth. Today, Madison Air, led by President and CEO Jill Wyant, has rapidly established and expanded category leadership across the indoor air innovation spectrum, from residential and commercial to high-impact sectors including data centers, advanced manufacturing, education and healthcare.
"As Madison Air expands its market opportunity and scales a portfolio of best-in-class brands, we remain disciplined in our approach to M&A, acquiring only companies that align with our mission and enhance our platform," said Gies. "RPC stood out for all the right reasons: it has a phenomenal team making a real difference in people's lives, fills a critical gap in our indoor air quality offering, and strengthens our ability to deliver more value to customers."
"This acquisition marks a pivotal moment in our company's journey and opens new avenues for growth and innovation that will benefit our customers and employees," said Wyant. "RPC has a strong track record of innovation and a stellar reputation for excellence in our industry. Their expertise, offerings, people and entrepreneurial culture will extend our ability to deliver what we call Return on Air™ for our customers – the measurable impact on people and performance that our companies and brands uniquely deliver. We're excited to welcome RPC and their talented teams to the Madison Air family."
Since its founding in 1938, RPC has been dedicated to enhancing indoor environments by delivering innovative air quality solutions including humidification, dehumidification, air purification, filtration, ventilation, radon mitigation and integrated indoor air quality control systems. "Madison Air shares our passion for improving indoor air quality and our commitment to delivering industry-leading solutions," said Dale Philippi, CEO of Research Products Corporation. "By joining the Madison family, we gain greater access to resources and expertise allowing us to strengthen our ability to deliver more healthy air solutions to the markets we serve."
About Research Products Corporation
Research Products Corporation is a leading provider of residential and commercial solutions for Healthy Air where we live, learn work, and play. Headquartered in Madison, Wisconsin, RPC has been designing and manufacturing Healthy Air solutions for all types of residential and commercial environments since 1938. RPC brands (AprilAire, driSteem, Anden & RP Filter) have an unparalleled reputation with tens of thousands of professional contractors because RPC's Healthy Air solutions make a difference in the lives of the millions of people who rely on our products every day. For more information, please visit www.researchproducts.com.
About Madison Air
Madison Air, one of the world's leading privately held companies, combines the innovation and nimble, responsive service of a startup with the sophistication and scale of a global enterprise. Madison Air's best-in-class portfolio of innovative brands make the world safer, healthier and more productive through the power of better air. Our purpose is rooted in the belief that whether it's protecting valuable data or equipment, optimizing crop quality and yield, or improving the productivity, health and retention of your workers, there's a direct correlation between air and outcomes. Please visit us at www.madisonair.com.
About Madison Industries
Madison Industries is one of the largest and most successful privately held companies in the world. Madison builds entrepreneurially driven, branded market leaders that are committed to making the world safer, healthier and more productive by creating innovative solutions that deliver outstanding customer value. The team at Madison is committed to building something truly remarkable that long outlasts them while coaching others to reach their highest potential. Please visit www.madison.net to learn more.
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