Ecofys VII study U-Values for Better Energy Performance of Buildings. 24 April 2008, Vilnius, Lithuania

Transcription

1 Ecofys VII study U-Values for Better Energy Performance of Buildings 24 April 2008, Vilnius, Lithuania

2 1. Who is Eurima?

3 Eurima Eurima is the European Insulation Manufacturers Association and represents the interests of all major mineral wool producers throughout Europe, including companies such as Knauf Insulation, Rockwool, Saint Gobain- Isover, Ursa Insulation, Paroc. Members of Eurima operate in Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Hungary, Ireland, Italy, Lithuania, Netherlands, Norway, Poland, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. In manufacturing mineral wool, members of Eurima help to achieve important social and environmental goals: saving energy, minimising pollution, combating noise, reducing the risk of fire and creating European jobs. Eurima represents 20,000 employees in Europe and the installation of mineral wool keeps many more Europeans at work.

4 Member companies

5 What is the role of Eurima? Eurima does scientific research on energy efficiency in buildings to contribute to the European debate on behalf of the members. Eurima is active at EU level to advocate the benefits of energy efficiency in buildings and make it work! 2006 HIT Entertainment Limited and Keith Chapman Eurima also works with national associations in most European countries.

6 2. The energy efficiency potential in buildings in Europe

7 "the most sustainable energy is saved energy" 1st: minimise energy loss 2nd: use renewable energy sources 3rd: efficient use of fossil energy sources

8 Supporting the development of a low carbon economy in Europe EU unlikely to meet Kyoto objectives No action Global Warming Action z z Buildings alone z have the potential to reach Kyoto objectives Increasing dependence on foreign energy sources No action Security of Energy Supply Action Reducing energy demand in buildings can help limit our exposure to supply issues EU Lisbon objectives not achieved No action Competitiveness Action Improving energy efficiency improves economic development

9 ECOFYS reports quantifying the potential in the building sector Climate Protection Regulation Cost Effectiveness Enlarged EU Price Scenario

10 Key figures from Ecofys reports 40% - Energy consumption by buildings in Europe. 460 million tonnes - Potential CO2 savings in the building sector in Europe. 3.3 million barrels of oil - Equivalent of what Europe s buildings consume due to a lack of energy efficiency. 270 billion - Cost due to a lack of basic energy efficiency measures in buildings. 560,000 - Job potential from an active strategy to deploy energy efficiency in buildings. 10% only - The energy saving potential tapped by the current EPBD

11 3. Ecofys VII setting up a new landscape

12 Starting point EPBD whole building energy performance National or regional whole building requirements Energy performance requirement per building component in practice + U-values either as design criteria or component requirement Economic optimum Environnemental goals

13 New recommendations for all buildings in Europe Ecofys VII Recommended U-values based on cost effectiveness and climate protection. Integrated approach with the European Directive on the Energy Performance of Buildings.

14 New recommendations to respond to heating and cooling demands Heating demand HDD climate map + Cooling demand CDD climate map

15 Rationales

16 Rising challenges Rising energy prices Rising climate change effects

17 Much more needs to be saved in the building sector 85% Potential in buildings that needs to be tapped by 2050 to achieve climate change objectives

18 Time is not on our side 85% the building stock in 2050, which has to deliver Renovation the 85% CO 2 reduction, cycle includes for a the building? buildings that is we 30 start years to renovate now! There is an urgent need for regulation in the renovation!

19 Defining and Positioning U-values in Ecofys VII

20 Background 1. Climate conditions: heating and cooling degree days maps in Europe 2. Insulation for heating and cooling Climate zones Construction type Building components Other important factors

21 Building component and insulation U-value optimum for heating and cooling demand Criteria: cost effectiveness Energy price: WEO 2006 Peak Price Investment costs Interest rate Energy mix Criteria: Post Kyoto target

22 U-value optimum for heating and cooling demand 100 cities Investments versus annual running costs Interest rate Service lifetime 30 years Impact factors Energy prices: WEO 2006 (IEA scenario) & Peak Price (=US$70 fixed); fuel mix, incremental costs for 1cm insulation/component Group starting points for cost analysing 1. Scandinavia 2. Moderate zone EU15 + Switzerland 3. Warm zone EU15 4. New EU8+2+Balkan countries

23 Savings in heating and cooling Costs + Insulation thickness Energy savings cooling + heating = Costs -

24 The principle of cost effectiveness Costs + investment costs Total costs Insulation thickness Energy savings Costs -

25 Defining cost optimum U-values Costs + Source: Better Buildings through Energy Efficiency costneutral A Roadmap for Europe page 10 minimum Minimum performance for all new buildings BEST PRACTICE Reasonable achievable with good design and building practice STATE of the ART Maximum level that can be achieved in the current context

26 Positioning cost optimum U-values Costs + EXISTING HOUSING STOCK Present NEW BUILDING REQUIREMENTS costneutral U-value? minimum BEST PRACTICE STATE of the ART 1,00 0,50 0,45 0,40 0,35 0,30 0,20 0,15 EXAMPLE

27 Current recommendations are far below what is necessary Comparison with existing U-values requirements in EU 27 confirms how much cash is being wasted. National and regional standards are far below what is necessary. We invite member states to analyze U-value requirements

28 Recommended U-values - Wall WEO wall U-value [W/m2K] 1,30 1,25 1,20 1,15 1,10 1,05 1,00 0,95 0,90 0,85 0,80 0,75 0,70 0,65 0,60 0,55 0,50 0,45 0,40 0,35 0,30 0,25 0,20 0,15 0,10 0,05 0,00 recommended U-value for wall exist.required. U-value -low for wall exist.required. U-value -high for wall HDD

29 Recommended U-values - Roof Peak price - roof 0,80 0,75 0,70 U-value [W/m2K] 0,65 0,60 0,55 0,50 0,45 0,40 0,35 0,30 0,25 0,20 0,15 0,10 0,05 0,00 recommended U-value for roof exist.required. U-value -low for roof exist.required. U-value -high for roof HDD

30 Appraisal of current insulation recommendations by Ecofys VII

31 Results on cost-effectiveness and climate protection are almost identical Optimum U-values recommendation Cost optimum = Climate ready recommendations

32 Example: U-values roof Present U-values U-values based on WEO2006 price U-values based on peak-price

33 U-values: cost effectiveness and climate The recommendations are based on cost efficiency and climate targets. Results should be understood as the minimum recommendations from EU. It is the responsibility of each country to optimize the implementation taking into account other factors: regional climate conditions, heated floor/wall, condensation risks, etc.

34 Post-Scriptum

35 Support measures are also crucial Upfront financing is key (e.g. EU Structural Funds). Audit Communication Energy refurbishment of buildings Any policy packages have to include a good set of organisational support measures. Helpdesk Training

36 THANK YOU!

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