EnerPHit Component Step-by-Step

Theoretical case-study retrofits

Passivhaus retrofit in the UK is often associated with deep, single-phase projects targeting EnerPHit via the space heating demand method. In contrast, there are relatively few UK case studies demonstrating the staged component method.

This paper models four common UK dwelling archetypes and applies the EnerPHit component method step-by-step to explore how space heating demand, final energy, carbon emissions and energy bills evolve across successive retrofit stages.

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