Hotchkiss Group
specialist ventilation equipment • fire resistant duct systems • duct cleaning specialists • enviromental monitoring • air conditioning

Hotchkiss.co.uk

spacerTriventek-ductcleaning.com

Hotchkissairsupply.co.uk

Ha2.co.uk Icevent.com

Triventek.com

Fireprotection.co.uk

Firespray.eu.com

Systemhygienics.co.uk


The original Hotchkiss company was founded in 1885 in Eastbourne and worked as maintenance engineers in oil, gas, hydraulic and steam engines.


Over the years the style of work changed and the company became involved with structural steelwork and architectural metalwork. In due course, a sheet metalwork division was added leading to the formation of Hotchkiss Ltd. in 1965.

The current Group Chairman, Michael Ohly, joined the company in 1971 and whilst there is now no involvement with steelwork or architectural metalwork the business has grown and diversified into specialist areas connected to the construction industry.

The Hotchkiss Group now has interests in air conditioning and ventilation ductwork contracting, manufacture and distribution of specialist ventilation equipment, manufacture of attenuation equipment, manufacture and installation of fire resistant duct systems, manufacture of fire resistant and acoustic coatings, environmental monitoring, duct cleaning and manufacturers and distributors of kitchen extract duct cleaning equipment.


Hotchkiss Limited is the leading ductwork contractor in the United Kingdom.
It operates from 4500 sq. m. facility which not only provides its fabrication capability but also CAD, engineering, contract and other support services.

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Hotchkiss Air Supply is a major manufacturer and distributor of a comprehensive range of products required for the ventilation and airconditioning market.

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Hotchkiss Air Acoustics (HA2) is a sub division within Hotchkiss Air Supply, part of the Hotchkiss Ductwork Group.
Ha2 operates from the Maidstone branch of Hotchkiss Air supply and offers a variety of acoustic products and services to the HVAC industry.

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Fire Protection Ltd. is recognised in the design and manufacture of an increasing range of coatings for fire resistant ductwork and specialist flame retardant barriers and acoustic systems into a diverse range of industrial disciplines.

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Icevent Technology International Ltd brings years of experience in specialist industrial and environmental cleaning to the sales and service of innovative dry ice, duct cleaning and aromatising equipment.

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Firespray International Ltd. is internationally recognised in the design and manufacture of an increasing range of coatings for fire resistant ductwork and specialist flame retardant barriers and acoustic systems into a diverse range of industrial disciplines.

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System Hygienics specialises in air hygiene ductwork and kitchen extract duct cleaning.

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Triventek A/S manufactures and sells worldwide duct cleaning equipment and dry ice equipment

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