Technical data

Key figures for the building and technical concept

Floor space and volume

Floor space: 30,600 m²
Gross floor area: 41,700 m²
Gross building volume: 158,900 m³


- Compact technical shell, space: 7,400 m² (4,000 m² less than the former University Library)
- Triple glazing (U-value 0.6) with highly selective solar control coating (16% energy outlet), 50:50 glazed/closed

Heating and air-conditioning

- Concrete core temperature control, 100 km mains system in the concrete ceilings, additional heated and chilled canopy ceilings around the edge of the ceiling
- Air-conditioning from the underground well water supply
- District heating system


- Source air via the hollow floors (control of air quality and presence)
- Additional ventilation valves in the façade for individual offices with automated closure


- Presence- and daylight-dependent control of the ceiling lights
- Energy-saving LED lighting at desks, with automatic switch-off
- Additional LED lights in the staircase voids and the underground garage

Photovoltaic system on the roof of the University Library

For the building’s own energy supply (approx. 10%), approx. 2,000 m² in size, approx. 750 modules, yearly output: 180 kWp 

Energy and operational costs

According to forecasts, up to 65% energy saving in comparison to the former building at comparable operating times

Key figures on the new University Library


- Around 25,000 active users with 1.2 million items borrowed per year
- 24/7 service: University Library open all day long, every day of the week, even bank holidays (since 2018-10-01 Mo - Su 7am - 12am)
- Approx. 1,750 workstations for users, of which 1,250 are individual desks in the reading rooms and 500 are designed for group work in the parlatory
- Checkout and return terminals to borrow and return media
- Wi-Fi throughout the building, multi-function photocopiers and scanners in the reading rooms
- Media centre for producing, editing and using audiovisual media
- Research reading room for using historic, rare and special materials
- Digitisation centre
- Function room for 200 people; seminar and training rooms
- Café Libresso on the ground floor; 190 seats plus outdoor seating
- Accessible library

Range of media

Shelving capacity in the new building:
- Open access (floor -1): 700,000 works
- Reading room (1st–4th floors): 230,000 works
- Stacks (floor -2 and -3): 3.5 million media


Around 250 employees (full-time equivalent: 163)

University of Freiburg