Verified Nov 2026
Thermal & Fluid Systems
·
Aurora, Illinois
·
Since 2017
Rensa Filtration is an air filtration manufacturer and distributor headquartered in Aurora, Illinois, United States. Founded in 2017, it has an estimated 1,000 to 5,000 employees and an estimated revenue band of $10 to 50 million. The company is privately held and serves automotive, electric-vehicle, medical, renewable-energy, and industrial-equipment sectors. Among its offerings are weld fume extraction and paint booth filtration products. In 2025 it acquired IREMA-Filter of Germany and Aeolus Filter from PINOVA Capital, according to BusinessWire.
Rensa Filtration at a glance
Revenue
$10-50M
Est. band
Employees
1,000-5,000
Founded
2017
Headquarters
Aurora, Illinois
Import activity
3
Industries
Automotive
Electric Vehicles
Medical
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
3
Named foreign suppliers
2
Top origins
Germany · Taiwan
Shared foreign counterparties do not establish that these companies buy from Rensa Filtration.
What this tells a buyer
Rensa Filtration completed acquisitions of IREMA-Filter and Aeolus Filter in September 2025, followed by Air Filters Northwest and AFNW Services in April 2026, and was reported in October 2026 to have been acquired by AEA Investors and BCI following a sale by Audax Private Equity.
The company lists weld fume extraction, dust collectors, paint booth filters, HEPA filtration, and HEGA filtration among its product lines, with products also referenced for welding, assembly, and semiconductor applications.
Rensa Filtration operates under several brands, including Rensa, Custom Filter, and Viskon-Aire, and reports over 25 manufacturing and distribution centers across North America.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
Overview
Rensa Filtration is an air filtration manufacturer and distributor headquartered in Aurora, Illinois, United States. Founded in 2017, it has an estimated 1,000 to 5,000 employees and an estimated revenue band of $10 to 50 million. The company is privately held and serves automotive, electric-vehicle, medical, renewable-energy, and industrial-equipment sectors. Among its offerings are weld fume extraction and paint booth filtration products. In 2025 it acquired IREMA-Filter of Germany and Aeolus Filter from PINOVA Capital, according to BusinessWire.
At a glance
Attribute | Detail |
|---|---|
Founded | 2017 |
Headquarters | Aurora, Illinois |
Employees | 1,000-5,000 |
Revenue | $10-50M (estimated) |
Primary capability | Thermal & Fluid Systems |
What Rensa Filtration makes
The company lists weld fume extraction, dust collectors, paint booth filters, HEPA filtration, and HEGA filtration among its product lines, with products also referenced for welding, assembly, and semiconductor applications.
Products and capabilities described on the company's own site include Welding, Assembly, Semiconductor (source: rensafiltration.com).
Trade and customs footprint
Rensa Filtration completed acquisitions of IREMA-Filter and Aeolus Filter in September 2025, followed by Air Filters Northwest and AFNW Services in April 2026, and was reported in October 2026 to have been acquired by AEA Investors and BCI following a sale by Audax Private Equity. US customs bill-of-lading records list 3 inbound shipments across 2 foreign suppliers, with top origins including Germany · Taiwan.
Latest developments
2026-10-12 — Filtration and Separation - Rensa Filtration buys Michigan distributor Aero Filter - Filtration and Separation (filtsep.com)
2026-10-08 — AEA Investors and BCI Acquire Rensa Filtration (prnewswire.com)
2026-10-08 — Audax Private Equity Completes Sale of Rensa Filtration | Audax Private Equity (audaxprivateequity.com)
2026-04-06 — Rensa Filtration Acquires Air Filters Northwest & AFNW® Services (businesswire.com)
2025-09-15 — Rensa Filtration Acquires IREMA-Filter of Germany and Aeolus Filter from PINOVA Capital (businesswire.com)
2025-06-19 — Blue River Advises Rensa Filtration on Acquisition of Air Filtration Co - Blue River (goblueriver.com)
Facilities
Rensa Filtration is headquartered in Aurora, Illinois. Public sources also reference these locations:
Aurora, Illinois — prnewswire.com
Company details
Rensa Filtration operates under several brands, including Rensa, Custom Filter, and Viskon-Aire, and reports over 25 manufacturing and distribution centers across North America. Rensa Filtration was founded in 2017, has an estimated 1,000-5,000 employees, and is headquartered in Aurora, Illinois.
Frequently asked questions
What does Rensa Filtration make?
Rensa Filtration is an air filtration manufacturer and distributor headquartered in Aurora, Illinois, United States. Founded in 2017, it has an estimated 1,000 to 5,000 employees and an estimated revenue band of $10 to 50 million. The company is privately held and serves automotive, electric-vehicle, medical, renewable-energy, and industrial-equipment sectors. Among its offerings are weld fume extraction and paint booth filtration products. In 2025 it acquired IREMA-Filter of Germany and Aeolus Filter from PINOVA Capital, according to BusinessWire.
Where is Rensa Filtration headquartered?
Rensa Filtration is headquartered in Aurora, Illinois (966 Corporate Boulevard, Aurora, Illinois, 60502).
When was Rensa Filtration founded?
Rensa Filtration was founded in 2017.
How big is Rensa Filtration?
Rensa Filtration has an estimated 1,000-5,000 employees, with revenue in the $10-50M range (estimated).
Does Rensa Filtration import from overseas suppliers?
US customs bill-of-lading records show 3 inbound shipments for Rensa Filtration, with top origins including Germany · Taiwan.
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