copyright © 2014 mitsubishi electric europe b.v. all rights reserved
TRANSCRIPT
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COPYRIGHT © 2014 MITSUBISHI ELECTRIC EUROPE B.V. ALL RIGHTS RESERVED
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Mitsubishi Electric Guide to Part L & European Legislation Affecting Use of Heat Pumps
Presented by:
COPYRIGHT © 2012 MITSUBISHI ELECTRIC EUROPE B.V. ALL RIGHTS RESERVED
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• Conservation of fuel and power• New build and refurbishment• Updated since 2002• New version came into force
April 2014• Part L (2013)
Background to Part L
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• Changes less significant than expected• Important developments none the less• Changes to calculations• More flexible approach to achieving compliance
The latest version of Part L
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• New homes – 6% reduction in CO2 against 2010 targets
• Entire build mix of dwellings• New non-dwellings – 9% reduction in CO2
against 2010 targets• Depends on building type and use
What are the carbon targets?
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Non-domestic buildings: carbon emissions targets
Distribution warehouse 4%
Deep-plan office with air conditioning 12%
Retail warehouse 8%
Shallow-plan office 13%
Hotel 12%
School 9%
Small warehouse 3%
Aggregate across build mix 9%
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• Government has made a strong commitment to zero carbon homes
• EU requires zero energy buildings from 2019• Not the same thing• Part L 2013 is an attempt to balance
both requirements
Zero carbon or zero energy?
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• Rules on achieving compliance changed• Emphasis on cost-effectiveness of methods• One in; two out• Striking a balance
Balancing legislation with cost
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• Prescribed method• Different for homes and non-dwellings• Greater emphasis on value for money• Need to show energy efficiency as well
as carbon reduction
Showing compliance with Part L
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• Standard Assessment Procedure SAP• Target Fabric Energy Efficiency TFEE• SAP compares new dwelling against a
notional dwelling• New dwelling must match or better
notional performance
Compliance – homes (dwellings)
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• Must hit Target Emission Rate (TER) – CO2
• And the new TFEE – maximum limit on energy needed • Focused on fabric performance • SAP = 15% margin added (but reducing)
Targets to hit – homes (dwellings)
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• Mix of elements • Notional building is a compliant building• BUT designers and developers have choices• Cannot offset poor fabric performance with
renewables
The elemental recipe
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• Fabric standards (TFEE) do not apply• Changes to minimum standards of building
services equipment• Target Emission Rate (TER) must include
cost/benefit analysis
Compliance – non-dwellings
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• Number of tools for calculating compliance available• SBEM developed by BRE is one of them• Updated to allow for changes to Part L 2013• Method for adding new technology –
reflects SAP Appendix Q
Compliance – non-dwellings
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You must consider: • Decentralised energy supply systems based
on energy from renewable systems• Cogeneration• District heating, particularly when based
on renewable sources• Heat pumps (air, water or ground-source)
Low carbon technologies – a new obligation
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• Section 9 Domestic Building Services Compliance Guide• Covers ground, water & air
source heat pumps• CE marking required• Targets need to be met
Heat pumps
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• Compliance Guidance• Must also comply with EU directives as
implemented in the UK • Ecodesign Directive 2009/125/EC• Energy-related products
Beyond Part L
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• Energy Labelling Directive 2010/30/EU• A++ to G• Heat pumps – ErP Lot 1,2 and 10• Must carry label from 2015 – A+ and better• All heat generator labels will look the SAME• Easier to judge comparative efficiency
Energy Labelling
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• Renewable Energy Sources Directive RES 2009/28/EC
• Promotes energy from renewables• Mandatory target of 15% by 2020• Criteria for training and certification of
installers of renewables• Also specifies standards for heat pump
performance• If heat pump does not comply it is not
‘renewable’
Renewable Energy Sources Directive
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• Promotion of energy efficiency• Reduce primary energy consumption by
20% by 2020• Due to be published in June 2014 in the UK• Public authorities obliged to buy energy
efficient products, services & buildings
Energy Efficiency Directive 2012/27/EU
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• A lot of changes on the way• Important to keep up to date• Check out the Mitsubishi Electric website• Also sources of information listed in the
CPD Guide itself
Keep up to date
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Thank you, any questions?