Building Envelope Energy Assessment

Building envelope energy assessments using the Passive House Planning Package (PHPP) represent a cornerstone in achieving optimal energy efficiency and sustainability in building design. PHPP, a powerful software tool developed by the German Passivhaus Institute, enables detailed analysis and optimisation of the building envelope's thermal performance.

By accurately modelling heat loss, thermal bridging, and energy gains, PHPP empowers designers and engineers to make informed decisions to create high-performance buildings that minimise energy consumption while maximising comfort and indoor air quality.

This introduction outlines the significance of building envelope energy assessments using PHPP and highlights their role in driving the transition towards more sustainable and energy efficient buildings.

Building Geometry and Orientation:

Input the building's dimensions, orientation, and layout into PHPP.
Consider the impact of the building's orientation on solar gains and losses.

Climate Data:

Building Geometry and Orientation:

Choose the appropriate climate data for the location of the building.
PHPP uses climate data to calculate heating and cooling requirements.

Building Components:

Building Geometry and Orientation:

Building Components:

Specify the properties of building components such as walls, windows, roofs, and floors.
Input details regarding insulation thickness, U-values, and thermal bridging.

Ventilation:

Airtightness:

Building Components:

Ventilation
Heat Recovery Ventilation
HRV
Mechanical Ventilation

Include information about the ventilation system.
Specify the type of ventilation system (e.g., heat recovery ventilation) and its efficiency.

Airtightness:

Provide data on the airtightness of the building envelope.
PHPP considers the impact of airtightness on energy efficiency.

Optimization:

Airtightness:

Energy Optimisation
Building Envelope Optimisation

Use PHPP to explore different design options.
Optimize building components and parameters to achieve the desired energy performance.

Building Envelope Energy Assessment

Building Geometry and Orientation:

Building Geometry and Orientation:

Building Geometry and Orientation:

Climate Data:

Building Geometry and Orientation:

Building Geometry and Orientation:

Building Components:

Building Geometry and Orientation:

Building Components:

Ventilation:

Airtightness:

Building Components:

Airtightness:

Airtightness:

Airtightness:

Optimization:

Airtightness:

Airtightness:

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