Domestic & Commercial
Solutions

Our creative solutions in air conditioning, refrigeration, ventilation, heating and electrical services cater for both the domestic and commercial sectors, and we pride ourselves in providing the best result for you.

domestic air conditioning

commercial air conditioning

Welcome to Crystal Sigma

Crystal Sigma is a leading specialist in air conditioning, refrigeration, ventilation, heating and electrical services, for the home and the business place.

Our highly qualified engineers guarantee a professional and reliable service, and we specialise in being flexible and responsive to your needs.

Let Crystal Sigma inject a breath of fresh air into your space – contact us today for a free quote and consultation.

Read the latest legislation on CFC and HFC phase-out.

Our Office
Crystal Sigma Ltd
655 - 657 North Circular Road
London
NW2 7AY

Tel: 020 7183 0130
Fax: 020 8452 1010
Email: sales@crystalsigma.com
Copyright Crystal Sigma 2011
Designed by imbuu

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.