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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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Good practice

Rainwater harvesting in office building

Making the most of a vital resource Opportunity to install a rainwater harvesting system as part of a major office rennovation Rainwater harvesting reduces the need for clean drinking water thus...
Sector / Industry:
  • Construction
Resources:
  • Water
Costs, savings, and payback time: High cost
Good practice

Water metering saves money in a hotel

Benchmarking for better performance Metering identifies sources of high water consumption in a hotel Targeted actions to save water reduce water bill by € 3 150 Hotel Festa Sofia is a modern, stylish...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Water
Costs, savings, and payback time: Medium cost 1 - 2 Year(s)
Good practice

Focusing on hotel energy bills

How cool pool controls can save money... Medium-sized hotel saves € 1 500 a year using pool sensor controls Other energy saving measures helped save a further € 5 000  Triada Hotel lies in the heart...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Energy
Costs, savings, and payback time: Low cost 1 - 1.5 Year(s)
Good practice

Enterprise resource planning benefits a bakery

Ask the staff how to boost the business! Efficient water management helped a bakery to reduce water bills by € 3 600 per year Programme forms important part of the company's enterprise resource...
Sector / Industry:
  • Food processing
Resources:
  • Energy
  • Water
Costs, savings, and payback time: High cost 5 - 6 Year(s)
Good practice

Environmental management for Bulgarian hotel

Proven steps to better performance Improved energy management leads to direct cost reduction Increased environment awareness leads to secondary cost reduction Sevlievo Plaza is a modern hotel located...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Energy
  • Water
  • Carbon
Costs, savings, and payback time: Medium cost 1 Year(s)
Good practice

Retrofitting for water efficiency: hotel case study

Guest rooms, the big water consumer Audit reveals where the biggest water savings can be achieved in UK hotel Water cost savings of 24 % achievable, and investment in a retrofit could be repaid...
Sector / Industry:
  • Food processing
  • Hotel and restaurant
  • Office and administration
Resources:
  • Water
Costs, savings, and payback time: Medium cost 1.25 Year(s)
Good practice

Eco-friendly hostel in Estonia

 Circular economy, the Green Key to being more eco-friendly Small hostel finds simple and cost-effective eco-friendly measures make all the difference in the circular economy Measures covering...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Energy
  • Materials
  • Water
  • Waste
Costs, savings, and payback time: Low cost
Measure

Efficient water fittings in guest areas

Water consumption in public spaces is highly variable, and depends on the services offered and the number of visitors on any given day. Installation of efficient fittings, selected through 'green'...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Energy
  • Water
Costs, savings, and payback time: Low cost 0 - 1 Year(s)
Good practice

Energy and water excellence in BREEAM certified hotel

Big investment in green solutions pays off First Czech hotel to use 100 % renewable sources for the HVAC system, cooking, washing, etc. Hotel records first water recycling system in the Czech...
Sector / Industry:
  • Hotel and restaurant
Resources:
  • Energy
  • Water
Costs, savings, and payback time: High cost
Technology

Enzymatic treatments in textile wet processing

The wet processing of textiles is energy and water intensive, as well as requiring the use of numerous chemicals. Wet processing steps, depending on the textile product, can include sizing, desizing...
Sector / Industry:
  • Textile and clothing
Resources:
  • Energy
  • Materials
  • Water
  • Waste
Costs, savings, and payback time: Low cost
Good practice

Life cycle assessment – Levi’s jeans case

LCA for 501s ... Levi's iconic 501 brand of jeans was put through a full life cycle assessment which revealed a number of valuable insights One pair of jeans uses equivalent to 3 days’ water usage by...
Sector / Industry:
  • Textile and clothing
Resources:
  • Energy
  • Materials
  • Water
  • Waste
  • Carbon
Costs, savings, and payback time: High cost
Technology

Water-saving WC pans and flushing devices for medium-...

A company with 100 employees can save about 300 m3 of fresh water per year by using water-saving WC pans (6 litre volume) and a two-volume flush cistern instead of WC pans with a flushing-water...
Sector / Industry:
  • All sectors
Resources:
  • Water
Costs, savings, and payback time: Medium cost