A local energy centre provides the building with heat, cooling and warm water. Heating demands are covered by district heating (about 30 percent), as well as the use of surplus heat from the server area using an air-to-air heat pump (about 500 MNOK (Total extra costs from TEK '10 to passive house standard 40 MNOK).
systems. KL. 11: Equipment and devices for steam and power generation comprising boilers, heat exchangers, water treatment units, scrubbers, burners, economizers, de- ashers, firing . exchangers, heating or air conditioning equipment, hot- management; cost price analysis; sales promotion; retail sales via global
ecological balance of a building, construction, operation, maintenance, demolition and disposal, CO2 balance. •. Targets for the calculation of operating costs . Natural ventilation. •. Interior air quality: Sick building syndrome: harmful materials and gases. •. Re-use of air from print / copy rooms and air conditioning.