INSTALLATION is what we love to do and all our staff take pride in a job well done. Everyone at GSG Surrey is passionate about their work with many year’s practical experience along with constant upgrading of skills and knowledge whenever possible. As with designing the system, we do all the work ourselves ensuring a happy customer. No job is sub-contracted out. All our staff are qualified and trained in various technologies including wood burning stoves, solar thermal, biomass boilers and heat pumps.