The Hillphoenix system is in line to deliver a four-year return on investment at distribution center, exceeding original projections.
According to new study, economizers and extra compression make transcritical suitable in most European climates, saving up to 8.5% in energy consumption.
The groundwater condenses CO2, allowing the system to run subcritically during the summer, says OEM Crea.
A study by the National Technical University of Athens shows a mean 23% COP improvement via subcooling with an ammonia absorption chiller.
The Danish OEM is aiming the compact units at the fast-growing small-store segment.
The new DOE rules requires up to 40% energy reductions for condensing units and related equipment used in commercial walk-in cooler/freezers under 3,000ft2(279m2).
Retrofit of 20-year-old R404A system is Metro’s 18th CO2 system with ejectors.
A Ritchies IGA supermarket in Beechworth, Victoria, Australia has installed the country’s first transcritical CO2 system with an ejector.
China’s second transcritical CO2 system was installed at CSF Market which opened in July in Beijing.