Passivhaus Post Occupancy Evaluation
PHT members WARM are conducting post occupancy evaluation (POE) on a number of Passivhaus projects they have worked on and are asking those with a Passivhaus and similar data to get in touch if you would like to participate and are interested in the following questions:
- How do Passivhaus buildings actually perform?
- How are occupants finding living in low-energy homes and are Passivhaus projects living up to expectations?
Passivhaus buildings in Europe have demonstrated in-use energy consumption very close to simulated targets. This is because the standard assumes a high level of comfort as standard and the assumptions within the calculations better reflect how low energy buildings really behave.
Targets are usually calculated from computer simulation or mathematical models and can be used to compare building designs (e.g. PHPP, SAP).
Benchmarks are ideally based on data from a sample of real buildings and can be used to compare buildings in use. There is not much ‘in use’ benchmark data available worldwide as it is difficult and expensive to collect.
To address this lack of data WARM have decided to collect data on a number of projects that they have been involved with over the last few years.
The following graphs present the first stages of WARM’s Passivhaus POE analysis. The first graph looks at Carbon Emissions while the second looks at Annual Heating.
If you’ve got a project you’ve got data for and you’d like WARM to participate in this analysis, please email: caroline@peterwarm.co.uk
Further Information:
21st August 2014
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