Analytical Instruments
Quantitative instruments for building energy analysis and renovation planning. Each module is calibrated against the EPBD Technical Reference Framework and IEA country-level datasets.
This collection of calculation instruments supports the practical side of building energy renovation: estimating the return on an insulation upgrade, sizing heating and cooling demand, comparing renovation cost indices across markets, checking a design against national NZEB primary-energy limits, and quantifying the carbon saved by a given measure. Each tool is intended for early-stage assessment and feasibility work rather than formal compliance submission.
The inputs and reference values are based on published European data - the EPBD Technical Reference Framework, Eurostat construction cost surveys and IEA grid emission factors - and the assumptions behind each calculation are described in the methodology notes below. Results are indicative: building-specific factors such as orientation, occupancy and existing fabric condition mean that a professional assessment is always required before works are specified or submitted for regulatory approval.
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All calculation tools are based on the EU EPBD Technical Reference Framework (2021-2024). Energy performance benchmarks derive from the Eurostat SILC Energy Index and the Building Performance Institute Europe (BPIE) national building stock models.
Renovation cost indices are weighted averages from Eurostat construction cost surveys across 14 member states (Q4 2023). Climate zone classifications follow the ASHRAE 169-2021 European adaptation.
Carbon emission factors: IEA Country-Level Grid Emission Factors, 2023 edition. Results are indicative — project-specific professional assessment is required for compliance submissions.