Austria
- Test site no. 1: One-family house, Ungenach
- Test site no. 2: One-family house, Graz
- Test site no. 3: One-family house, Puchenau
- Test site no. 4: One-family house, Oed
- Test site no. 5: One-family house, Nebelberg
- Test site no. 6: One-family house, Königstetten
- Test site no. 7: Two-family house, Mödling
