Lund is a medium-sized university city with a research-intensive industry. The town dates back a thousand years, but the number of inhabitants has grown, largely during the last century, and a great number of the buildings from the 1960s and 1970s now need retrofitting. Almost 90 % of the heat demand in the city is supplied by district heating, and the hospital and some office buildings are connected to a district cooling network.
The Linero district in Lund demonstration site is a housing area where the blocks Eddan and Havamal consist of 28 three-level dwellings built in early 1970s. Today they contain a total amount of 681 apartments with approximately 2,000 tenants. They are owned by the public housing company, Lunds Kommuns Fastighets (LKF) AB. Only 16 of the 28 buildings are including in the CITyFiED project, i.e. 40.400 m2of conditioned area. The retrofitting of Linero district focused on reaching a higher energy standard with maintained affordability for the tenants. Buildings after the retrofitting have an energy performance that resembles new buildings. Research, planning and efficiency of the extensive renovation strategy are at the heart of reaching such performance target.