- Passive House (PH) is a tried and true performance standard for building extremely low energy buildings.
- The up-front costs are easily absorbed over the life time of the building because expensive plant is significantly reduced and does not require as much maintenance / replacement.
- Many parts of Europe have a requirement for all their social housing & public buildings to be PH standard.
- The PH system is most beneficial to those in our community who are struggling to pay for heating.
- Through the PH Planning Package software building performance is guaranteed.
- PH buildings are very comfortable and quiet with good air quality and high occupant satisfaction.
Benefits for social housing providers
- Social housing providers would be showing leadership in building design.
- A PH building would provide an excellent learning opportunity for other providers to learn about PH.
- Tenants who currently cannot afford heating would be able to do so because heating bills would typically be less than one fifth or less compared with a typical Code built house.
- For those tenants who are not heating their homes, the PH system would still provide a healthy home.
- Because of the high surface temperatures achieved in PH homes it is not possible for black mould to grow.
- Health issues arising from poor housing would be reduced meaning that there are benefits to other social health providers.
Thermal comfort and health
- A PH building stays at a constant temperature throughout the year and there is little difference between summer and winter or day and night.
- The internal thermal comfort can be controlled by occupants leading to fewer complaints.
- The air quality is excellent.
- There are very small variations of internal ambient temperature, so no cold / hot spots which annoy occupants.
- PH houses are quiet without the constant noise of plant cycling through cooling or heating.
- Once a PH has been ‘experienced’, it is very hard to accept anything less.
Energy / Operational costs
- A Code standard house could consume over 100kWhr/m2/annum for heating but as a PH the building would consume less than 15KWhr/m2/annum.
- There is significantly less heating plant to maintain and replace.
- There are existing pre-fabricated wall systems that could be used that already have the windows installed together with an air-tightness layer for quick construction on site.
- This project would also educate the construction community in the challenges and benefits of PH.
- It is possible that local companies could supply some of the building elements such as windows.