CO2 performance targets
- A separate, temporary specification is proposed for electric resistance heating in new dwellings. This will eventually have the same fabric specification as other fuels and be based on a heat pump solution. Furthermore, this change will be made progressively to give the electrical heating industry time to create the new technologies. For non-dwellings, the 2010 targets are based on the amount of glazing in each building.
- SAP(Standard Assessment Procedure) and SBEM(Simplified Building Energy Model) or DSM(Dynamic Simulation Model) to be retained, but the software packages updated. Changes are currently being consulted on by DECC (Department of Energy and Climate Changed).
- The present regulatory framework is to be retained, with builders free to select their own CO2 reducing solutions.
- All new non-domestic buildings to be zero carbon by 2019.
- An aggregated 25% improvement on 2006 standards for all new buildings, resulting in an overall reduction rather than a 25% reduction on every building.
- CO2 emissions from the actual building should be compared with a TER(Target Emissions Rate) based on hypothetical reference building of the same shape and size.
Limits of design flexibility
- In new builds, builders are free to consider using renewable technologies to hit emissions based targets.
- It is proposed the present system of ‘backstops’ is to adjusted to strike a balance between energy efficiency and design flexibility.
- Builders have the option of being innovative in their designs, which can judged on a case by case basis.
Efficient operation
- Produce information using the guidance in CIBSE TM31 building log book toolkit for non-domestic buildings to ensure the building is being operated and maintained correctly.
- A suitable set of operating and maintenance instructions should be created for use in new homes to ensure the building is being used and maintained correctly.
- The occupiers should also be given the recommendations report from the energy performance certificate.
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