Our History

2011
EMCOR Group, Inc. acquires Bahnson, Inc.

2009
Luwa, Inc. comes full circle after 35 years and is renamed Bahnson, Inc. to reflect the rich legacy of the Bahnson name.

Robertson Airtech (RAI) service business is acquired.

2008
Luwa, Inc. U.S. management buys controlling interest of Luwa, Inc.; Hesta AG continues to participate as a minority partner.

Luwa, Inc. reaches an order intake level exceeding $200 million for the first time in its history.

Logan Heating and Air Conditioning residential business is divested.

2005
In keeping with its strategy of moving to a financial holding company, Hesta AG (Luwa parent) sells a minority position of Luwa, Inc. to the U.S. management team led by Timothy J. Whitener, president and CEO.

2002
Luwa, Inc. subsidiary Intermech, Inc. acquires Atlas Mechanical & Industrial, Inc., Idaho Falls, ID; a mechanical and process piping firm; continues the acquisition strategy within selected market sectors and geographical locations.

2001
Luwa Inc. acquires MSC, Denton, NC; a specialty mechanical and process piping firm.

Luwa Inc. acquires Environmental Specialities, Raleigh, NC; a designer, manufacturer, and installer of specialty low temperature refrigeration systems for the pharmaceutical and biotechnology markets; key for the Company’s entry into the Life Sciences market.

2000
Luwa, Inc. subsidiary Intermech, Inc. acquires Thompson Mechanical Contractors, Richland, WA; a mechanical and process piping firm; key for the Company’s DOE, DOD, and Industrial activities.

1998
Luwa, Inc. acquires Lepco, Houston, TX; a cleanroom design and construction firm; key to Company’s entry into the cleanroom market.

Luwa, Inc. achieves annual revenues in excess of $100 million for the first time in its history.

1996
Luwa, Inc. develops and begins implementation of a comprehensive strategy to diversify business activities away from the textile industry; strategy is aimed at reducing the company’s dependence upon this industry.

Luwa, Inc. acquires Logan Heating & Air Conditioning, Winston-Salem, NC; a commercial and residential contracting and service firm.

1994
Tim Whitener named Luwa, Inc. President and CEO.

1991
Flakt Bahnson is sold to Luwa AG, Zurich, Switzerland; company operates under the name Luwa Bahnson and then subsequently, Luwa, Inc.

1981
Envirotech enters into various agreements to sell the Industrial Air Group in pieces; Bahnson is sold to A.B. Svenska Flaktfabriken (Flakt). Bahnson operates as a Division of Flakt, Inc. (U.S. group) under the name Flakt Bahnson.

Contract service activity is launched under the name Flakt Service Systems.

Contracting activities are greatly expanded to include erection of utility and industrial ESP and filtration systems, process piping systems, pulp & paper and other industrial drying systems.

1980
Bahnson becomes a leading supplier of air handling and HVAC & Exhaust systems to nuclear generating facilities.

Intermech, Inc. is incorporated as a separate subsidiary of Envirotech Bahnson. Intermech is established as a union contractor.

1973
Company sold to Envirotech Corporation, Menlo Park, CA. Company operated as a standalone unit under the name Envirotech Bahnson.

1971
Company receives first order for commercial nuclear generating facility at CP&L’s (Progress Energy) Brunswick Steam Electric Station. Supply scope included HVAC and exhaust systems for two BWR units.

1968
Company is sold to Hillman Coal & Coke Company, a privately held Pittsburg, PA holding company; management and operations remain unchanged.

1964
Agnew Bahnson, Jr. dies in an airplane crash in Wooster, Ohio during a business trip. Agnew Bahnson, Sr. dies of natural causes; company is operated under the cognizance of the trust department of Wachovia Bank.

Bahnson Company begins to market its HVAC design and construction experience outside the traditional textile industry.

1950
Bahnson Service Company, a wholly owned subsidiary, is organized to execute contracting operations.

1947
Agnew Bahnson, Jr. becomes company president and treasurer. Period of major business growth begins as textile industry expands to meet pent-up demand.

1941
Compressed air operated atomizer system developed for space humidification as well boosting central station air conditioning systems.

Early 1940's
Virtual stagnation of the textile industry resulting from the war shifted manufacturing efforts into the production of aircraft subassemblies and military ordnance items for the U.S. Government. 

1940
Refrigeration is incorporated into “Humiduct” design. Payne Plant of Bibb Manufacturing Company becomes first textile mill with mechanical refrigeration.

1939
Further development of humidifier/duct system leads to the introduction of the Bahnson “humiduct” which becomes the company’s main product offering.

1937
Agnew H. Bahnson, Jr., joins company as a sales engineer and devotes attention to product and systems development.

1932
Company engineers began to develop and market the addition of fresh air intakes and ducts to humidifiers to produce evaporative cooling systems.

1931
Type “H” and Type “L” second generation humidifiers introduced.

1929
Name changed to the “The Bahnson Company”.

1926
A central automatic control (humidistat) was developed to control a group of humidifiers; the first high precision device introduced to control humidity.

1918
Name changed to the “Bahnson Humidifier Company”.

1915
Agnew H. Bahnson, Sr., Fred Bahnson, and James Gray incorporate the Normalair Company to sell and manufacture a newly developed electric centrifugal humidifier to the textile industry.