Sweden · District heating and cooling

Akalla-Kista district energy system

The published case sheet records several Unitop operating modes with separate heating, cooling and absorbed-power figures.

Operational

Recorded project facts

Supplier or system
Friotherm Unitop 33
Published capacity
8.6 to 8.8 MW heating per unit in cited modes
Heat source
Cooling-system heat
Heat sink
Condensing temperature 82°C
Refrigerant
Not stated in case sheet
Evidence type
Manufacturer report

Evidence boundary

The linked source was published by a supplier involved in the project. It can establish the supplier's stated scope and figures but is not independent verification of annual performance.

Values have not been normalised across projects because source temperatures, sink temperatures, system boundaries and reporting periods differ.

Evidence source

Friotherm Akalla-Kista case sheet

Record reviewed 21 August 2026. Status is shown separately so a planned system cannot be mistaken for an operating installation.

Open evidence source →