Biaggini’s system is one of the first of its kind to use CO2 as the refrigerant in dual-duty air conditioning/heating system, the company said.
The Lithuanian manufacturer, specializing in hydrocarbon and CO2 products, is putting the finishing touches on a 12,000m2 factory in Vievis.
Transcritical chiller offers payback on 47% premium in a few years, says Zero Zone paper that compares CO2, NH3 and R448A.
A study by the National Technical University of Athens shows a mean 23% COP improvement via subcooling with an ammonia absorption chiller.
New Grundfos units use temperature sensors to regulate water flow.
The next-generation Gravity range boasts improved efficiencies over earlier prototypes.
Italian contributions to the natural refrigerant industry include Epta’s FTE CO2 system and a strong expertise in R290 plug-in units.