About Us Company OverviewOur HistoryWhy Use UsTestimonialsAccreditationCase StudiesUseful LinksVacanciesTechnical InformationCarbon MonoxideHeating ComponentsContact Us Corporate clients can register to view our password protected Corporate area to view additional information. Read More.. Our History Crystal Heating Limited was formed in 1989 and is a Domestic Gas Heating company, located in Isleworth, West London. Read More.. Why Use Us We believe in providing an exceptional service to our clients and are longevity is testament to the fact, we have now been trading profitably for over15 years. Read More.. Testimonials We are always flattered when we receive positive feedback from happy clients, and we would like to share this with you by including some of their comments. Read More.. Accreditation For details on our Accreditations, please visit the following page, where you will find links to the respective Associations. Read More.. Case Studies A selection of case studies, describing some of the issues our customers had and how we were able to resolve them. Read More.. Useful Links Why not visit our selection of useful links and find out more about energy savings and grant schemes. Read More.. Vacancies Find out about and apply for vacancies at Crystal Heating. This section of our Website is updated on a monthly basis, so please visit again soon. Read More.. Technical Information Some useful technical information regarding common Boiler and Central Heating issues. Read More..