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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

Combined heat and power generation system

Combined heat and power (CHP) helps to reduce total fossil fuel consumption from on-site boilers and the power stations they import electricity from. As such, CHP systems help to cut energy bills and...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 2.8 Year(s)
Technology

Energy efficient cars

A comparison of a conventional car with an energy efficient one delivered positive results. The environmentally friendly car was the same model as the conventional car (gasoline-powered, efficiency...
Sector / Industry:
  • All sectors
Resources:
  • Materials
  • Carbon
Costs, savings, and payback time: High cost 10-12% 0.5 - 1 Year(s)
Technology

Draught-proofing a building

Sealing up unwanted draughts is an inexpensive way of saving small to moderate amounts of energy by improving thermal insulation. Draught-free rooms and buildings are more comfortable at lower...
Sector / Industry:
  • All sectors
  • Office and administration
  • Service sector
Resources:
  • Energy
  • Carbon
Costs, savings, and payback time: Medium cost 15-30% 2.5 - 2.8 Year(s)
Technology

Cladding and roof insulation

Heating costs through the roof? Consider cladding and insulation Cladding is used to provide an additional layer of insulation to a building which improves thermal performance and weather resistance...
Sector / Industry:
  • All sectors
Resources:
  • Energy
  • Carbon
Costs, savings, and payback time: High cost 11 - 12 Year(s)
Technology

Cavity wall insulation

Have you looked into those cavities? Cavity wall insulation Insulating wall cavities can help you cut energy use and save money by reducing heat lost through walls in colder months, and keeping it...
Sector / Industry:
  • All sectors
Resources:
  • Energy
  • Carbon
Costs, savings, and payback time: Low cost 3.5 - 4 Year(s)
Technology

Refrigeration heat recovery

Recovering heat produced during the refrigeration process is possible and can help save energy and cut costs. Heat-recovery equipment can be fitted to existing plant or integrated in new buildings,...
Sector / Industry:
  • Chemical and process engineering
  • Food processing
  • Hotel and restaurant
Resources:
  • Energy
  • Carbon
Costs, savings, and payback time: Medium cost 4 Year(s)
Technology

Retrofitting refrigeration display systems

Refrigerated display cabinets are important for marketing/selling goods that need to be kept cold while displayed, but they are notoriously energy-intensive. Taking necessary maintenance measures can...
Sector / Industry:
  • Food processing
  • Wholesale and retail
Resources:
  • Energy
Costs, savings, and payback time: Medium cost 5-10% 1 - 1.2 Year(s)
Technology

Free cooling

Free cooling can assist in cooling water which is subsequently used in industrial processes or air-conditioning systems. It is an economical system which can help reduce costs and energy uses. Free...
Sector / Industry:
  • All manufacturing industries
  • Food processing
  • Hotel and restaurant
  • Wholesale and retail
Resources:
  • Energy
  • Carbon
Costs, savings, and payback time: High cost 5-20% 5.8 Year(s)
Technology

Micro-hydro installation

Micro-hydro (or hydropower installation) is a good example of small-scale renewable energy that can help to save energy. It exploits water flows through a turbine to drive a generator and produce...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 40-80% 5 - 7 Year(s)
Technology

Solar thermal

The solar thermal identity… or should that be supremacy? Solar thermal (also called solar heating collector) is a mature renewable energy technology. Solar collectors have recently been used not only...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 25 Year(s)
Technology

Small-scale wind energy

Wind energy is a good example of how small-scale renewables can work. The electricity generated can cover part of the electricity needs of building(s). This potential varies depending on several...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 10.4 Year(s)
Technology

Photovoltaic cells

Photovoltaic (PV) cells are a good example of small-scale renewables. PV modules are panels that convert sunlight into DC electricity, and then into AC electricity. PV modules are reliable and...
Sector / Industry:
  • All sectors
Resources:
  • Energy
Costs, savings, and payback time: High cost 8.9 Year(s)