The Engie thermeco2 unit will help Ludwigsburg’s District Office be climate neutral by 2025.
The Lithuanian manufacturer, specializing in hydrocarbon and CO2 products, is putting the finishing touches on a 12,000m2 factory in Vievis.
The company produces hydrocarbon chillers and heat pumps, and transcritical CO2 booster racks for both low- and medium-temperature applications.
The complex installation met Comersur’s refrigeration requirements, including heat recovery.
The U.K. manufacturer’s compressors suit natural refrigerants.
The spray chiller technology will deliver 5MW of cooling capacity as well as heat reclaim.
Retailer expects energy savings to yield a five-to-seven year ROI on premium paid for equipment, one of a small number of ammonia systems installed in stores worldwide.
Transcritical chiller offers payback on 47% premium in a few years, says Zero Zone paper that compares CO2, NH3 and R448A.