France · District heating

Fresnes geothermal heat-pump system

The project uses geothermal heat and publishes a range of operating modes. Capacity changes with the required water temperature.

Operational

Recorded project facts

Supplier or system
Friotherm Unitop 33 C
Published capacity
2.12 to 3.61 MW heating
Heat source
Geothermal source
Heat sink
Up to 71.5°C in cited modes
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 Fresnes 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 →