We currently provide services and support to companies and individuals in Humberside, East Yorkshire, North Lincolnshire, North East Lincolnshire, South Yorkshire, West Yorkshire, Teeside, London, Portsmouth, Plymouth, Southampton, Hampshire, Oxfordshire and Wales.

City & Guilds 6127 Technical Certificate in Air-Conditioning and Refrigeration

The City & Guilds 6127 Technical Certificate has been discontinued by City & Guilds.

Please consider if you are working within the industry that you are in a position to complete and NVQ Level 2 or 3 which can also be completed via distance learning.
  • Part P Electrical Installer
  • Fault Finding Techniques - COMING SOON
  • NVQ Level 2 in Air-Conditioning & Refrigeration
  • NVQ Level 3 in Air-Conditioning & Refrigeration
  • City & Guilds 2382-12 17th Edition
  • City & Guilds 2392 Fundamental Inspection, Testing and Initial Verification
  • City & Guilds 2391 Inspection, Testing and Certification of Electrical Installations
  • LOGIC Ground Source Heat Pumps - COMING SOON
  • LOGIC Air Source Heat Pumps - COMING SOON
    First stop…..
    EAL NVQ Level 2 in Air-Conditioning / Refrigeration

    Our Website

    This website explains how we approach, develop and implement activities and why we are recognised for our free flowing, informative delivery, bringing information alive by adopting a specialist approach for organisations. Select from the top to access our range of management courses, electrical courses, plumbing courses, air-conditioning and refrigeration courses, f-gas regulations course, ACS gas domestic, commercial & new entrants training & assessment and NEBOSH general certificate and various health & safety courses.



    REFCOM countdown to July 2011 - click here




    Freelance Assessors required in plumbing, air-conditioning, refrigeration, gas and electrical. Please email your CV and state which field of expertise you can cover.









    Head Office:

    Crownship Developments Ltd,

    Charlton House Mews,

    Bridge Street, Brigg,

    North Lincolnshire,

    DN20 8NQ


    Technical Centre:

    Crownship Technical,

    Unit 13,

    Temple Street Unit Factory Estate,

    Station Drive,


    HU5 1AD


    Telephone Number: 01652 658151

    Fax Number: 01652 658221



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    Recent Testimonials

    Here is some of our satisfied customers.