Oslo University Hospital
Oslo University Hospital is one of Europe's largest hospital campuses. Assemblin Caverion Group installed three Tequs Aqua4 CO₂ heat pumps to supply continuous, high-reliability space heating across the site, using exhaust ventilation air as the heat source.
- Location
- Oslo, Norway
- Installed capacity (Aqua4)
- 3 × 140 kW
- Avg. COP
- 3.2
- CO₂ avoided
- ~105 t/yr
Ulf Minge, Assemblin
Tequs was the only solution compact enough to fit within the existing energy central, without sacrificing any of the output we needed.
Technical solution & results
- Heat pump model
- 3 × Aqua4
- Refrigerant
- CO₂ (R744)
- Heat source
- Exhaust ventilation air
- Application
- Space heating for a hospital campus
Results & impact
3.2 Combined COP across the three-unit installation
420 kW Total installed capacity (3 × Aqua4)
~105 t/yr Avoided CO₂ emissions, the largest reduction in the Tequs fleet
References.
Public buildingsAdO Arena
Cut district heating consumption by 30 to 40%, running at full capacity through Bergen's coldest winter in 20 years.
IndustryStatkraft, Meråker
Three units in a greenhouse, COP 5.4, around 750 tonnes of CO₂ avoided per year.
HospitalityHolmen Fjordhotell
One unit supplying space heating and hot water for 170 rooms, saving around 191,000 kWh a year.
AquacultureNekton Aquaculture
One unit delivering 85°C heat from seawater, COP 3.25, around 35 tonnes of CO₂ avoided per year.
