![](https://constantair.co.uk/wp-content/uploads/2021/12/Hand-shake-256x256.jpg )
1965
1965
Incorporation of Constant Air Systems Limited
Office Opened at Shaftestbury Avenue
![](https://constantair.co.uk/wp-content/uploads/2021/12/DS-Pressure-Test-1-256x256.jpg )
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”.
![](https://constantair.co.uk/wp-content/uploads/2021/12/cas-logo-2.jpg )
1968
1968
MEFCO became an associate company
![](https://constantair.co.uk/wp-content/uploads/2021/12/IMG_20150731_123815-256x256.jpg )
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
![](https://constantair.co.uk/wp-content/uploads/2021/12/Factory-Team-2-256x256.jpg )
1970
1970
Constant Air Systems took over control of MEFCO
![](https://constantair.co.uk/wp-content/uploads/2021/12/cassaire.jpg )
1973
1973
Casaire Limited formed as a wholly-owned subsidiary
![](https://constantair.co.uk/wp-content/uploads/2021/12/IMG_20150731_123851-256x256.jpg )
1983
1983
Assisted in the formation of EMCO Acoustics Limited
![](https://constantair.co.uk/wp-content/uploads/2021/12/Prefab.-Plantrooms-1986-256x256.jpg )
1986
1986
Constant Air Systems developed the design & manufacture of pre-fabricated plant rooms
![](https://constantair.co.uk/wp-content/uploads/2021/12/Factory-Team-256x256.jpg )
1992
1992
Assisted in the formation of Environmental Cooling Systems Limited
![](https://constantair.co.uk/wp-content/uploads/2021/12/emtec.jpg )
1997
1997
Formed Emtec Products Limited as a wholly-owned subsidiary
![](https://constantair.co.uk/wp-content/uploads/2021/12/cas-logo-2.jpg )
1998
1998
MEFCO integrated with Emtec Products Limited
![](https://constantair.co.uk/wp-content/uploads/2021/12/IMG_20150731_124946-256x256.jpg )
2002
2002
The offices at Harrow and High Wycombe were amalgamated into the offices as CAS House, Hillbottom Road, Sands Industrial Estate, High Wycombe.
![](https://constantair.co.uk/wp-content/uploads/2021/12/Discussion-256x256.jpg )
2005
2005
The Birmingham office relocated to Rubery House Birmingham
![](https://constantair.co.uk/wp-content/uploads/2021/12/cas-logo-2.jpg )
2009
2009
Casaire relocated to High Wycombe Headquarters.
![](https://constantair.co.uk/wp-content/uploads/2021/12/cas-logo-2.jpg )
2010
2010
Ductwork & Fabricated Limited was dissolved.
![](https://constantair.co.uk/wp-content/uploads/2021/12/Factory-2015-256x256.jpg )
2015
2015
CAS Group (Constant Air Systems, Casaire and Emtec) moved into new premises.
Constant Air Systems celebrated its 50th anniversary of trading.
![here-to-assist](https://constantair.co.uk/wp-content/uploads/2021/09/here-to-assist.png)
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Unit L, Turnpike Way,
Cressex Business Park, High Wycombe, Buckinghamshire, HP12 3TF
01494 469 529
admin@constantair.co.uk
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