Introduction

3 Months Ended

Mar. 31, 2026

Organization and Basis of Presentation [Line Items]

Introduction

Organization

Madison Air Solutions Corporation (the “Corporation”) was formed as a Delaware corporation on November 5, 2025. The Corporation was formed for the purpose of completing a public offering and related transactions in order to carry on the business of Madison Industries IAQ Solutions Corporation and subsidiaries (the “Company”). Following the completion of the Corporation's initial public offering ("IPO") on April 17, 2026 the Corporation is the sole manager of the Company and operates and controls all of the businesses and affairs of the Company and, through the Company, will continue to conduct the business now conducted by the Company. The Corporation’s fiscal year end is December 31.

Madison Industries IAQ Solutions Corporation

Organization and Basis of Presentation [Line Items]

Introduction

Introduction

Nature of Operations. Madison Industries IAQ Solutions Corporation (the “Company”) is an air quality solutions provider for priority commercial and residential markets. Through its portfolio of trusted brands, including Addison, AprilAire, Big Ass Fans, Broan-NuTone, Nortek Air Solutions, Nortek Data Center Cooling and Reznor, the company operates in high-value niches adjacent to traditional HVAC, helping customers improve performance, protect critical assets and create healthier indoor environments. Madison Air's mission is to make the world safer, healthier and more productive through the power of better air. The Company’s operations are classified into two reportable segments: Commercial and Residential. As of March 31, 2026 the Company is wholly owned by Madison Industries US Holdings Corporation (“Madison Industries US”), which is an indirect subsidiary of Madison Industries Holdings LLC (“Holdings”). Holdings’ other businesses are not included in these consolidated financial statements.

On April 17, 2026, Madison Air Solutions Corporation completed its IPO. Through a series of organizational transactions in connection with its IPO, as discussed in Amendment No. 2 on Form S-1 filed by Madison Air Solutions Corporation on April 6, 2026, Madison Air Solutions Corporation became the direct parent of Madison Industries IAQ Solutions Corporation. Therefore, beginning on April 17, 2026, the operations, assets, rights, duties, liabilities, obligations and cash flows of Madison Industries IAQ Solutions Corporation will be reported within Madison Air Solutions Corporation pursuant to a restructuring under common control. See Note 21. "Subsequent Events," for additional information relating to organizational transactions executed after March 31, 2026.