The heat pump can replace a gas boiler in an existing home without expensive retrofitting, says Vattenfall.
The heating capacity and COP of CO2 heat pumps can decrease more then 25% during defrost, but optimal defrost can lower this to less than 10%, says Fenagy.
Electrification of buildings is expected to grow demand for heat pumps, which are currently HFC-based, according to CARB.
The deal is the largest order to date for the young company, launched in the summer of 2020.
CO2 is the best available technology for air-to-water heat pumps in the 0.5 to 5MW capacity range, according to Fenagy CEO Kim G Christensen.
The air-source Heat2O is said to deliver a COP up to 4.11.
After a forced cancellation in 2021, the event is scheduled to take place in Las Vegas from January 31 to February 2.
Introduced in Europe, MHI’s central control consoles can manage up to 16 Q-ton CO2 units and 128 air conditioners.
The 300kW unit uses cold gas defrost and an expander instead of an ejector.
Vestervig Fjernvarme’s 1.2MW heat pump, to be delivered by Danish CO2 specialist Fenagy, will replace oil and wood-chip boilers.