Practices

Step-by-step retrofits with Passive House Components

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This handbook, released by the EuroPHit project is intended to provide knowledge about and awareness of the special challenges of step-by-step retrofits with Passive House components.

 

Contents include:

 

Introduction

 

  • The EuroPHit project.
  • Step-by-step retrofitting according to plan.

Basics

 

  • Peculiarities of stepwise retrofit.
  • The EnerPHit-Standard.
  • The Retrofit Plan.
  • The Passive House Planning Package (PHPP).
  • Certified Passive House components.
  • Economic efficiency.
  • Minimal monitoring.

Building envelope – General Principles

 

  • Thermal bridges.
  • Airtightness.
  • Minimal requirements for thermal comfort and prevention of mould.

Building envelope - Connections in detail

 

  • Wall insulation on the outside.
  • Exterior wall with interior insulation.
  • Windows and doors.
  • Insulation of a pitched roof.
  • Insulation of the top floor ceiling.
  • Flat roof insulation.
  • Insulation of the basement ceiling and floor slab.
  • New balconies and conservatories.

Building services

 

  • Ventilation.
  • Heating and Domestic Hot Water (DHW)  systems.
  • Cooling and dehumidification.
  • Active utilisation of solar energy.

Example project

 

  • The EuroPHit observer project “Sonnenstrasse”.

For further information please visit the relevant EuroPHit webpage at the link below.