Name of organisation: Lunds kommuns fastighets AB
Stage of development: completed
Year of finalization: 2001
Type of project: construction
Area: urban
Scale: group of buildings
Type of building: Apartment in a block of five or less stories
Number of units/dwellings: 34
Tenure: social rental
Street: Trollebergsvägen 2,222 29
Postcode:
City: Lund
Region/ County: Skåne County
Country: Sweden
Last Update: 14.04.2015
Construction technology is conventional with a frame made of concrete but with insulated curtain walls. Half the house is founded with the slab and half have heated basement with apartment storage. Roof construction is a cold unfurnished attic.
Thermal bridges are eliminated at all connections and air leakage. Ventilation is done with an exhaust system with air intakes behind the radiators. Forcing is possible in both the kitchen and bathroom. The warmth of the water-borne heating system will primarily from an exhaust /outdoor air supplemented with district heating.
The temperature is centrally controlled in each apartment and settled quickly. Heat and hot water use is measured and charged individually. Heat in the wastewater is recycled by a waste water heat exchanger to preheat domestic hot water. A solar heating system supplemented with district heating domestic hot water. Electrical equipment is energy efficient as well as control of fans and pumps.
Certification
57 kWh/sq.m heat, hot water and electricity for the building. Energy label B.
Funding
Components included in cost of construction | Measure additional cost compared with average house (thousand SEK) |
Investment | Total investment 17 279 SEK/residential area + 16,4 % compared to an average house. |
Monitoring equipment | 136 000 SEK |
Thermal Insulation
Conventional. Walls U-value 0,15, roof 0,11. Insulation 120 mm.
Air Tightness
0,8 l/s.sq.m.
Heating and Hot Water
Exhaust air heat pump. hot water preheated with waste water, solar energy and district heating.
Windows and Shading
Triple paned U-value 1,15.
Solar Thermal
132 Sq.m, 28 770 kWh/year.
Electricity Saving Products
Appliances, lightning, fans, pumps, and elevator.
Water Saving
Water efficient appliance. Waste water recycling.
Ms Therese Rydstedt
SABO - The Swedish Association of Municipal Housing Companies
E-mail: therese.rydstedt@sabo.se
Web: www.sabo.se