As one of the South East's longest running heating companies, TSS offer expertise in servicing and maintenance of commercial and industrial boilers fuelled by gas, oil and LPG. TSS hold accreditations with Gas Safe and OFTEC and all of our engineers are fully qualified to deal with all heating and hot water installations and emergencies. TSS also service and maintain domestic heating systems in Sussex, Kent and Hampshire, including: breakdown repair, safety inspections and landlords gas safety certificates. TSS is a family run business. Denis Tugwell and James Walker started the company in 1971 as Knight & Walker Refrigeration. After a full scale refurbishment, they are now comfortably settled in new offices in Portslade.