| Year | Author | Article |
| 1997 | Feist, Wolfgang | Requirements for building services in Passive Houses |
| 1997 | Rochard, Ulrich; Werner, Johannes | Development of a compact heat pump unit for ventilation and hot water supply in Passive Houses/progress report |
| 1997 | Stärz, Nobert | Efficient hot water generation in Passive Houses |
| 1997 | Rockendorf, Gunter | Solar heating systems for Passive Houses |