MJD have over twenty five years experience in the field of air conditioning and air movement. We are members of the Heating and Ventilating Contractors Association (HVCA) and Safe Contractor approved/ accredited both of which were achieved by inspection of our office and site based procedures. Our engineers are either City and Guilds or NVQ qualified.We offer a first class ac contractors service in system design, installation, service & maintenance work, carried out to the Heating and Ventilating Contractors Association standard