Gas Alarm Systems Ltd specialise in the supply, installation and service / repair of all types of gas detection equipment. Gas Alarm Systems Ltd was formed in 1998 by Peter Gartside (formerly Service Manager of International Gas Detectors). Gas Alarm Systems Ltd has grown significantly since, winning major service contracts for the maintenance of all types of gas detection equipment for many large organisations including Yorkshire Water, Severn Trent Water, Unilever and National Grid to name but a few. We can supply gas detection for any application whether it is a small School boiler room requiring just one sensor or a large industrial site requiring hundreds.