We are proud to introduce you to Castle Energy Services Ltd, established in 1993. We are specialist insulation contractors who take pride in achieving our customers' goals.  Castle Energy Services has established an excellent reputation throughout the South of England and Wales, undertaking contractors for many major housing and construction companies. View our client list.  All our operators are trained to the highest standard and all are CSCS card holders. They also undergo continuous training on site to insure the best possible installation.