You can find the list of Hotels in Padova with the indication of prices at the official site for local tourism:
You can book yourself your room.
Alternatively, booking service can be provided by SISTEMA CONGRESSI with 12.50 Euro charge.
Suggestions for Post Conference Tourist Trips:
Venice (37 km far from Padova, 30-40 min journey by train or SITA coach)
Postconference Trips 12 November:
Technical Trip: Rocca Pietore (BL) on the Alps to visit the prototype of the novel heating system Friendly-Heating