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  1. Understanding the Difference Between EPC and EIR Ratings

    Jun 15, 2023 · Differences Between EPC and EIR Ratings: Focus: The EPC rating primarily assesses a building’s energy efficiency, while the EIR rating evaluates its broader …

  2. Environmental Impact Rating (EIR) The environmental impact rating is a measure of a home’s impact on the environment in terms of carbon dioxide (CO2) emissions. The higher the rating …

  3. Technical annex for chapter 2: What EPCs measure - GOV.UK

    Dec 4, 2024 · There is also an emissions metric on the domestic EPC, called the “Environmental Impact Rating” (EIR) (see Figure 2). The EIR is calculated much like the EER, with a …

  4. Many members states in the EU, where the EPC originated, use the EIR as their headline rating. At present we have a mismatch between the main policy aim (decarbonisation) and the …

  5. Reforms to the Energy Performance of Buildings regime

    Dec 4, 2024 · For non-domestic certificates, modelled carbon dioxide emissions per square metre form the basis of the Environmental Impact Rating (EIR) headline metric.

  6. Improving energy efficiency in owner occupied homes: consultation

    Dec 19, 2019 · Domestic EPCs display an Energy Efficiency Rating (EER) and an Environmental Impact Rating (EIR). The EER is rated in terms of energy costs, while the EIR is rated in terms …

  7. EPCs currently include two ratings: the Energy Efficiency Rating (EER) and the Environmental Impact Rating (EIR). The EER is the main metric used for policy delivery. Energy Efficiency …

  8. How do we best measure the environmental impact of our home energy use ...

    Oct 2, 2020 · Change the headline rating on the domestic EPC to the Environmental Impact Rating (EIR), which estimates CO2 emissions. The EIR is already on the EPC so no additional …

  9. EPC Inspections | IR Energy Assessors

    Energy Efficiency Rating (EER) − based on fuel costs. Environmental Impact Rating (EIR) − based on carbon emissions. The above Energy Ratings are determined mathematically by the …

  10. An EIR is a measure of a homes impact on the Environment in terms of Carbon Dioxide (CO2) emissions. It tells you how much of an impact your home is having on the environment. The …

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