Diamond Gas & Heating are boiler and central heating specialists. We supply, install, service and repair all types of heating systems and boilers. We can work on gas, LPG and oil boilers. We are accredited installers of Worcester Bosch, Ideal, Viessmann and Vaillant boilers, offering upto 12 years parts and labour warranty. We understand a new boiler installation isn't always a planned purchase so can offer a number of different finance packages to assist with your boiler installation. For a free quote call our office or pop in. We offer a number of different service plans from boiler only to full central heating system and plumbing cover. Our Gas Safe engineers work throughout Portsmouth, Southampton, Guildford and everywhere in between.