GDC is the holding company for some of the best known brands in the heating industry, including Dimplex, Creda NOBO, Faber, R ... obinson Willey, Valor, Wonderfire, Glen, Unidare, Sunhouse and Winterwarm. The company is based in Southampton and employs approximately 250 office and field staff. It is a subsidiary of the privately owned Glen Dimplex Group, which operates from Southern Ireland. The Glen Dimplex Group has over 40 companies worldwide, employing over 10,000 staff and an annual turnover of €2 billion. The company’s product portfolio consists of: An extensive commercial heating portfolio including a wide selection of air curtains from over door heaters to industrial and architectural models Domestic installed heating – including the UK’s most popular ranges of storage and panel heaters Renewable heating and hot water – we currently offer the widest range of heat pumps in the UK and an extensive range of solar thermal and solar pv packages Hot water cylinders Portable heating Electric fires - including the revolutionary Opti-myst® range and the award winning Optiflame® range, the world’s most popular flame effect Gas fires read more