About Crystal Sigma
Crystal Sigma is a leading specialist in air conditioning, refrigeration, ventilation, heating and electrical
services for residential and business customers across the UK.
Established for over 20 years , we have developed an excellent reputation for our dedication to quality, customer centric
ethos and our commitment to exceeding your expectations. We have offices based in London, Oxford, Essex and Cambridge and
our services cover all of Greater London, Oxfordshire, Cambridgeshire, Hertfordshire and Buckinghamshire.
For more information on the areas covered by our air conditioning engineers,
please visit our coverage section.
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.
Keeping your a/c running at its best.
We dont just install new air conditioning systems, we also maintain and repair systems from all major manufacturers.
Request your FREE quotation today.
Its quick and easy to request a FREE quotation, we can visit your home or place of work and carry out a free site survey.
