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OFTEC Registration No. C9071 GAS SAFE Registration No. 5035 
Established since 1988. VAT Registration No. 488287974
Company Registered in England No. 2258560. Registered Name & Office Address:
HEVENTECH Mechanical Services Limited
30 Mead Close,
GRAYS, Essex, RM16 2TR, UK


01375 41 41 11

Office hours : 8:30 am to 5:00 pm, Monday to Friday.

Fax: 0844 443 6733

Our fresh new web site is now live with more comprehensive content for all your industrial and commercial gas heating and oil heating needs.
"Click here to check it out"

Information About The Company & Us

Management & Key Staff
Directors: Claire Wilkinson, Lee Wilkinson, Laurie Ash.

A family run business established in 1988, this year celebrating 25 years in business.

Registered in England as a private limited company in June 1988.

CORGI registration awarded 1988. Registration No. 5035.

OFTEC registration awarded in 2008. Registration no. C9071.

GAS SAFE registration awarded April 2009. Registration no. 5035.

Appointed approved installers and service agents for Transco, Calor Gas, Shell Gas, Pakaway, Benson, Schwank UK, Perrymatic, Jetaire, Air Care, Ambi Rad, NordAir, Powrmatic, Robur, Stanley, Combat, Space Ray, Roberts Gordon and other leading industrial heater and boiler manufacturers.

On going training of all site operatives and staff to recognised standards and certification achieved to comply with the latest and relevant Health & Safety legislation for our trade and business activities including ACS, IPAF, WAHR and asbestos awareness.

On going product training courses to keep our staff up to date with newly introduced technology and product development.

Activities & General Information

Our specialist industrial / commercial heater, heating and associated services are available regionally to London, the Home Counties, South East England and East Anglia including:

• Ilford Essex
• London
• Southend on Sea
• Chelmsford
• Maidstone
• Reading Berks
• Enfield Middx
• Watford Herts
• Erith
• Southampton
• Portsmouth
• Colchester
• Luton Beds
• Ipswich Suffolk
• Basildon
• Harlow
• Gatwick East Sussex
• Stansted
• Cambridge Cambs
• Grays Thurrock
• Croydon Surrey
• Crawley
• Barking East London
• Romford
• Letchworth
• Stevenage
• Bishops Stortford
• Dartford
• Gravesend
• Ashford Kent
• Chatham
• Orpington

Our specialist team of field operatives and friendly office staff are fully experienced and are trained to very high standards of workmanship, health & safety, and customer care.

As an OFTEC, GAS SAFE REGISTER and CORGI registered company, all our engineers are fully trained to the highest CITB / ACS standards and safety in Natural Gas, LPG (propane) Gas and Oil Firing for the relevant "industrial and commercial" gas and oil firing catagories.

Importantly, "HEVENTECH for Quality & Reliabilty", means that all our existing and prospective customers buy with confidence and piece of mind. 

Our wide ranging industrial and commercial client base includes blue chip companies, small companies and organisations, local and public authorities alike. 

Company Mission

Our mission is to provide unparalled service to our customers. We are here to offer a supportive hand in providing you with impartial advice and practical solutions to your industrial and commercial heating and air conditioning needs. It is only through satisfied customers that our company mission can truly be fulfilled. 
Useful Links

Below are a few links that might be of interest.

Get social with us and visit our Facebook and Twitter pages regulary for energy saving advice, seasonal tips, ideas and updates. 

OFTEC are the Oil Firing Technical Association offering help and advice for consumers, manufacturers and technicians. This site offers practical advice on all matters of safety, quality, environmental, regulations and H & S standards.
Our oil heating engineers are fully qualified oil heater engineers and OFTEC registered for work on light commercial oil firing heaters, oil heating appliances and oil storage tank installations.

Gas Safe Register

From 1 April 2009, Gas Safe Register™ will be the official stamp for gas safety in Great Britain. The register is overseen by the Health and Safety Executive responsible for regulating gas safety in Great Britain.

Our commercial gas heating engineers are fully qualified gas heater engineers and GAS SAFE registered for work on commercial non-domestic mains Natural Gas and LPG propane gas firing heaters, gas heating appliances and gas installations. 

Dedicated to promoting gas safety, CORGI offers practical advice on matters of gas safety.


The International Powered Access Federation (IPAF) website promotes the safe and effective use of powered access equipment.

All our engineers are fully qualified and IPAF registered with certification for operating all types of scissor lifters and boom lifters for high level works access.

ECA Scheme

Official web site for the ECA (Enhanced Capital Allowance) scheme where you will find information and to apply for Tax benefits for installing qualified energy efficient heating appliances and sytems, applicable to replacement appliances and new heating installations.

HEVENTECH Mechanical Services Ltd
Our fresh new web site is now live.
Click here to check it out. 

(last update on 20 April 2015)

OFTEC Registration No. C9071 
GAS SAFE Registration No. 5035
CORGI Registration No. 5035
Established since 1988
HEVENTECH for "Quality & Reliability"