Thermal Modelling
Thermal modelling is a vital part of the building design process for both new buildings and refurbishment projects throughout the UK. We have in depth technical knowledge of Building Regulations in the UK including the National Calculation Methodology. This allows us to propose solutions to better the targets set by the regulations and ensure good efficient design.
Our Modellers can offer a range of services using the IES VE Apache and compliance engines including:
- Compliance (Part L, Section 6)
- Domestic EPCs
- Overheating (CIBSE TM52, CIBSE TM59)
- Heating/cooling load
We have CIBSE accredited Low Carbon Energy Assessors able to produce Level 5 EPCs in both England and Scotland and Section 63 Action Plans in Scotland.
Our Team complete overheating assessments to CIBSE TM52/TM59 standard which assess the potential risk for developments to overheat and provide guidance on how to reduce the risk. This guidance may include external shading, reducing window sizes, solar control glazing and thermal mass. For schools, we follow the Building Bulletin 101 framework to assess the overheating risk.
“Closing the Performance Gap” within buildings is essential to ensuring the UK can achieve Net Zero Carbon. To assess the likely in-use energy performance, our Modellers can complete both Design for Performance using Apache HVAC and CIBSE TM54 modelling.
In order to size heating and cooling plant, our Modellers are skilled in assessing the likely heating and cooling loads for buildings taking into account the building orientation, fabric and internal gains. This allows us to design heating and cooling plant that is not oversized and is therefore is more efficient.
Our Team complete overheating assessments to CIBSE TM52/TM59 standard which assess the potential risk for developments to overheat and provide guidance on how to reduce the risk. This guidance may include external shading, reducing window sizes, solar control glazing and thermal mass. For schools, we follow the Building Bulletin 101 framework to assess the overheating risk.
“Closing the Performance Gap” within buildings is essential to ensuring the UK can achieve Net Zero Carbon. To assess the likely in-use energy performance, our Modellers can complete both Design for Performance using Apache HVAC and CIBSE TM54 modelling.
In order to size heating and cooling plant, our Modellers are skilled in assessing the likely heating and cooling loads for buildings taking into account the building orientation, fabric and internal gains. This allows us to design heating and cooling plant that is not oversized and is therefore is more efficient.
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Apache HVAC
Over the last two years we have invested heavily in training our Energy Engineers to use the IES programme Apache HVAC. This was originally so that we could offer the NABERS Design for Performance framework however we now use it as standard on all our CIBSE TM54 assessments required for BREEAM and the London Plan.
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Is CIBSE TM59 too onerous?
When assessing whether a residential building will overheat, CIBSE Guide TM59 should be used. This is not only considered a robust design methodology step, but is a requirement for London Plan and the new Part L 2021.
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