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    "A family run business with all the qualities that ensure peace of mind. The first mechanical and electrical company I had the pleasure to work with in 1991, where we carried out the BMS controls at the world famous Moorefield Eye Hospital. We have worked closely with JJ Engineers on many projects since 1991 and look forward to many more."

    Mukesh Aggarwal - Technical Sales Director, E.W.A. Controls Ltd

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    "Having worked with Paul & his team for the last eight years I can clearly say I hold JJ Engineering Co. in very high regard. In this time we have undertaken numerous projects all varying in size & value but have never once been had any reason to doubt or question their ability." Eamon O’Conner - Conner Construction Limited

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    "I look forward to our continuing relationship and would have no hesitation in recommending JJ Engineering to potential clients."

    Duncan Gill - Whole Building Services WBS Ltd

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Over Forty Years of Experience In The Engineering Industry

JJ Engineering Co. has grown steadily from a small company into a thriving business, providing engineering services in the South East of England.
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Electrical

Electrical

We carry out all types of electrical contracting work, whatever the nature of your contract we can help. We service all aspects of your electrical systems, from regular maintenance through to large projects.
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Air Conditioning

Air Conditioning

With over thirty years' experience, JJ Engineering Co. supplies air conditioning to a variety of clients, from small businesses to large PLC companies, in a wide range of industries and commercial sectors.
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Ventilation

Ventilation

Based in Essex, JJ Engineering Co. can design, supply and install a very competitive and reliable range of ventilation products to suit your exact needs.


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Heating

Heating

We offer a complete package to our clients including design, installation and maintenance service for ventilation, air conditioning, heating & electrical systems.
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We offer a range of engineering services throughout Essex and the South East of England. 
Call 020 8595 6076
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