0207 183 0130 
air conditioning / controllers
From the simplest controller to the most complex computer-based system, we have the right solution for your needs.
Contact us for advice on the best solution for your space, the best cooling system to suit your needs and budget, and for a free quote.
Crystal Sigma has become the company of choice for Central and Greater London, Hertfordshire and Buckinghamshire. With over 25 years of experience, we have become a leading specialist in air conditioning, refrigeration, ventilation, heating and electrical services, for domestic and commercial properties. Britain’s best trained and most highly qualified engineers work to rigorous health and safety standards and provide the added assurance of service and maintenance.
Our services cover workplaces, leisure environments, public sector buildings, commercial and residential properties. All aspects of our air conditioning, refrigeration, ventilation, heating and electrical services are tailor-made for each client. We are always willing to do that bit extra in providing our clients with a flexible and responsive service.
Read about the latest Altherma systems technology and check out our client testimonials.
