passive haus logoFrom our offices in Bristol and Brighton in Sussex, Earthwise Construction provides Passivhaus & EnerPHit design consultancy and advice at all project stages, from initial feasibility, planning applications to full design.

What is Passivhaus?

This is an internationally recognised low energy and comfort standard focusing on high performance building fabric (walls, roof and floor with continuous insulation), airtightness (draft free) and ventilation to maintain good indoor air quality.  EnerPHit is a similar standard for retrofitting existing buildings.

Darmstadt passivhaus

What are the benefits?

The benefits of building to Passivhaus are:

  • Clear defined energy target to aim at

  • Holistic design considering all aspects of low energy design

  • Quality assurance of design and build

  • Low bills for the future

  • Healthy indoor environment

Services we offer

We offer:

  • Feasibility studies for new and existing buildings

  • Passivhaus Planning Package (PHPP) energy modelling

  • Review and recommendations for designs to improve energy performance

  • Thermal element analysis, u-value & heat-loss calculations

  • Thermal bridge analysis and modelling

  • Air tightness detailing to reduce leaks and drafts

  • Construction detailing and methodology for low energy buildings

Find out more

To discuss your project, please contact us.