1965

1965

Incorporation of Constant Air Systems Limited
Office Opened at Shaftestbury Avenue


1966

1966

Birmingham Office Opened
MEFCO formed as a subsidiary Company
Constant Air Systems purchased Ethne Engineering of Slough and formed a ductwork manufacturing company, “Ducts & Filters”.


1968

1968

MEFCO became an associate company


1969

1969

Constant Air Systems took over the family business of JW Cubbage
Ducts & Filters name changed to Ductwork & Fabrication Limited and moved to High Wycombe


1970

1970

Constant Air Systems took over control of MEFCO


1973

1973

Casaire Limited formed as a wholly-owned subsidiary


1983

1983

Assisted in the formation of EMCO Acoustics Limited


1986

1986

Constant Air Systems developed the design & manufacture of pre-fabricated plant rooms


1992

1992

Assisted in the formation of Environmental Cooling Systems Limited


1997

1997

Formed Emtec Products Limited as a wholly-owned subsidiary


1998

1998

MEFCO integrated with Emtec Products Limited


2002

2002

The offices at Harrow and High Wycombe were amalgamated into the offices as CAS House, Hillbottom Road, Sands Industrial Estate, High Wycombe.


2005

2005

The Birmingham office relocated to Rubery House Birmingham


2009

2009

Casaire relocated to High Wycombe Headquarters.


2010

2010

Ductwork & Fabricated Limited was dissolved.


2015

2015

CAS Group (Constant Air Systems, Casaire and Emtec) moved into new premises.
Constant Air Systems celebrated its 50th anniversary of trading.

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