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:

Padova (see,
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