AAF International Acquires National Air Filter Service Company of New Jersey

AAF International Acquires Northeast Air Solutions

March 18, 2024

HVAC & Mechanical

AAF International (American Air Filter Co., Inc.), a global leader in air filtration and a subsidiary of Daikin Industries, acquired Northeast Air Solutions, a New England provider of clean air and HVAC solutions founded in 1946. The acquisition, effective March 18, 2024, expands AAF's branch network and access to filtration technology and technical expertise in New England.

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.

A. O. Smith Acquires Atlantic Filter Corporation

June 8, 2022

Manufacturing

A. O. Smith Corporation acquired Atlantic Filter Corporation, a third-generation family-owned water treatment equipment manufacturer and dealer based in West Palm Beach, Florida. The all-cash deal (terms undisclosed) expands A. O. Smith's North America water treatment capabilities and presence in Florida; Atlantic Filter's leadership will remain in place.

Ingersoll Rand Acquires Controlled Fluidics and Ethafilter s.r.l.

April 3, 2024

Manufacturing

Ingersoll Rand Inc. has closed two acquisitions: Controlled Fluidics, a U.S.-based thermoplastic bonding and custom plastic assembly specialist serving life sciences and other high-growth end markets, and Ethafilter s.r.l., an Italy-based producer of filters and filter elements for the compressed air sector. The deals expand Ingersoll Rand's product portfolio and aftermarket capabilities, strengthening its position in life sciences, sterile filtration, and air treatment markets.

Cleanwater1 Acquires PureAir Filtration

September 22, 2025

Environmental Services

Cleanwater1, a Baird Capital portfolio company, has acquired Atlanta-area PureAir Filtration, a manufacturer and servicer of gas‑phase air‑filtration systems and chemisorbent media. The acquisition expands Cleanwater1's gas‑phase solutions and aftermarket service capability for municipal and industrial water/wastewater and other industrial customers; PureAir's president Ashley Jameson will remain in place.

Nation Wide Products Acquires RV Air

January 19, 2022

HVAC & Mechanical

Abilene, Texas-based Nation Wide Products completed an asset acquisition of RV Air, a maker of replacement RV air conditioner filters sold through major retailers and online. Westlake Securities served as exclusive financial advisor to Nation Wide; the deal expands Nation Wide's national retail footprint and adds HVAC accessory product capabilities to its portfolio.