Mechanical

With years of experience working within the electrical and mechanical industry, DSE are here to offer our vast services with the highest standards.

  • Installation, inspection and maintenance of Domestic and industrial gas and LPG fired
  • appliances.
  • Installation, inspection and maintenance of domestic gas boilers combination boilers, water heaters, fires, cookers and range cookers
  • Installation, inspection and maintenance of commercial boilers, >70Kw, direct and
  • indirect air fired heating, radiant tube heating, water heaters. Atmospheric and forced
  • draught burners.
  • Installation, inspection and maintenance of gas pipe work, Including; solder,
  • compression, crimp, screwed, welded and flanged
  • Commissioning of gas pipework, including strength testing, tightness testing and
  • purging, hydrostatic and pneumatic
  • Installation, inspection and maintenance of domestic and industrial oil fired appliances
  • Installation, inspection and maintenance of domestic oil boilers, including combination
  • boilers and water heaters
  • Installation, inspection and maintenance of commercial oil fired boilers, indirect air
  • heating and water heaters.
  • Pre fab Pipe work sections, welded, flanged, ABS, PVC, copper, steel etc.
  • systems include LPHW, CH systems, pressurized and open vented, cold mains and chilled
  • water systems
  • Installation, inspection and maintenance of calorifiers, vented hot water cylinders and
  • unvented hot water cylinders, including controls
  • Installation gauges, valves, sensors, blow offs, pressurization units, expansion vessels
  • and dosing pots etc.
  • Installation, inspection and maintenance of one piece, sectional and split cold water
  • storage tanks
  • Installation, Inspection and maintenance of Air handling units, systems, controls and
  • filters
  • Installation, inspection and maintenance of air-conditioning systems and plant.
  • Installation, inspection and maintenance of plumbing systems, drainage and waste
  • water. Toilets, sinks, urinals and toilet suites.
  • Installation, inspection and maintenance of waste water pipework and sump pumps
  • Water treatment and equipment, water management, legionella risk assessments,
  • complying with the approved code of practice L8.


As well as all aforementioned works we are also happy to offer extended maintenance programs and

integrated facilities management


We can offer full range of services to give you the complete package.

Through high-performance and dedicated service delivery teams, we add value to your estate

management strategy by maximising the lifespan of your technical assets, supplying strategic forward

maintenance programmes and appropriately-timed recommendations on asset replacement and

professional building maintenance.


  • Complete asset management strategies including lifecycle
  • In-House 24/7 technical helpdesk
  • Planned preventative maintenance services
  • Mechanical and Electrical maintenance
  • Building fabric maintenance and repairs
  • Dilapidation strategies
  • Self delivery of projects
  • Record keeping and document management