AAF International Acquires Northeast Air Solutions

AAF International Acquires National Air Filter Service Company of New Jersey

August 29, 2022

Industrial Services

American Air Filter Co., Inc. (dba AAF International), a global air filtration leader and subsidiary of Daikin Industries, has acquired National Air Filter Service Company of New Jersey, a long-established full-service air filtration management firm. The change in ownership was effective August 29, 2022 and is intended to strengthen AAF's service capabilities and continuity for customers and vendors.

Daikin Applied Acquires Alliance Air Products

March 2, 2023

Manufacturing

Daikin Applied has acquired Alliance Air Products, a San Diego–based manufacturer of custom air-handling equipment. The acquisition expands Daikin’s portfolio and engineering capabilities—strengthening its data-center cooling and custom HVAC offerings while enabling faster delivery and broader end-to-end solutions for mission-critical applications.

AirX Climate Solutions Acquires Northern Air Systems

March 19, 2026

HVAC & Mechanical

AirX Climate Solutions, Inc. acquired Northern Air Systems, Inc., a designer and manufacturer of specialized, mission-critical packaged HVAC systems. The acquisition expands AirX’s engineering capabilities and presence across highly demanding verticals, while Northern Air’s founder Tim Confer transitions to a strategic advisor role and Will Rausch becomes General Manager.

Saothair Capital Partners Acquires AAI (to be Renamed Air Products and Controls)

October 14, 2025

Manufacturing

Saothair Capital Partners has completed the acquisition of AAI from Halma Holdings Inc.; following the transaction AAI will be renamed Air Products and Controls (APC). Headquartered in Auburn Hills, Michigan, AAI designs and manufactures fire and life-safety detection devices (wireless smoke, heat and CO detectors) sold to residential security OEMs, HVAC and fire-system OEMs, and commercial distributors.

AIR Control Concepts Acquires Force Equipment HVAC

July 17, 2025

HVAC & Mechanical

AIR Control Concepts, a Norfolk, Virginia–headquartered commercial HVAC platform, has acquired Force Equipment HVAC, a nine-year-old commercial HVAC manufacturers' representative based in Elkhorn, Nebraska. The add-on expands AIR's Midwest footprint—bringing additional sales, service and parts support to Nebraska customers while providing Force's team access to AIR's broader resources and network.

Rensa Filtration Acquires Air Filtration Co., Inc.

January 27, 2025

Manufacturing

Rensa Filtration, a PE-backed manufacturer and distributor of air filtration products, has acquired Air Filtration Co., Inc., a family-owned maker and distributor of spray booth and industrial air filters with production facilities in Lancaster, California and Corydon, Iowa. The deal expands Rensa's geographic footprint in California and Iowa and adds Air Filtration Co.'s spray booth filtration product line to Rensa's portfolio.