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EREK database of resource efficiency

Measures, Technologies and Good Practices

Do you want to know how much different measures and technological solutions would cost and how much money and resources they can save for your business? This database offers such data in a concise and comprehensive format.

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Technology

Blowdown heat recovery

On a daily or weekly basis, steam boilers blow down hot water from the boiler to avoid the formation of sludge. Blowdown heat systems can recover much of this waste heat and reuse it. The system is...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 8.2 Year(s)
Technology

Energy saving in boiler performance - burner fuel...

Case for dual burners Installation of dual fuel burners to replace heavy oil burners, with the aim of increasing fuel-heat effectiveness and avoiding radiation heat loss, among others. Steam and high...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 1.3 Year(s)
Technology

Seven-day time heating-control

According to the Carbon Trust, heating can account for as much as 60 % of total energy use, yet a large proportion of the energy consumed by heating is likely to be wasted due to incorrect control...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Low cost 1.2 Year(s)
Technology

Weather compensation

According to the Carbon Trust, heating can account for as much as 60 % of total energy use, yet a large proportion of the energy consumed by heating is likely to be wasted due to incorrect control...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Medium cost 1.8 Year(s)
Technology

Optimum start control

Optimum start controls vary the times that heating systems come on, depending on the weather, occupancy, and the current heat in the building. Using optimum start instead of fixed time control can...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Medium cost 3.6 Year(s)
Technology

Heating decentralisation

Large, centralised, hot-water systems can often be inefficient. At times when demand for hot water decreases, a large system can waste energy and money. Equally, with decentralised systems it is...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Low cost 4 Year(s)
Technology

High-efficiency or condensing boilers

High-efficiency or condensing boilers reduce utility bills and increase energy efficiency compared to ageing boiler units. They are also smaller and lighter than traditional boilers. Condensing...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 5.9 Year(s)
Technology

Efficient lighting - photo sensor controls

The case for photo-sensor controls Movement- and photo-sensors, timers and other smart technology can be used to adjust lighting to conditions outside, when you are away, and to manage overall...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Low cost 2.7 Year(s)
Technology

Energy efficient lighting - occupancy sensor control

The case for occupancy sensor controls Movement- and photo-sensors, timers and other smart technology can be used to adjust lighting to conditions outside, when you are away, and to manage overall...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Medium cost 1.4 Year(s)
Technology

Energy efficient lighting - LED low bay

Case for LED low bay Fitting and lamp replacement with LED low bay, lighting suitable for industrial applications indoors and outdoors (e.g. manufacturing areas, food processing plants, warehouses,...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 11 Year(s)
Technology

Energy efficient lighting - metal halide lamp

Case for metal halide lamps  Fitting and lamp replacement with metal halide lamps; a highly efficient source, typically 80 lumens per watt covering a very large range of power ratings, with a...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Medium cost 16 Year(s)
Technology

Energy efficient lighting - T8s

Case for T8s Direct lamp replacement with energy efficient T8 fluorescents, which offer up to 22 % energy savings compared to standard 32 W T8 lamps. Making lighting energy efficient can help a...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: Low cost 0.9 Year(s)