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U.S. Warehouse to Use 31 Low-Charge R717 Units to Support 7 Temperature Zones, Enhancing Efficiency
Shamrock Foods limits ammonia charge to less than 500lbs per packaged rooftop unit.
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A ‘Banner Year’ Expected for Digitalized Controls in 2021
Climate goals, COVID-19 and technician shortage are all driving further investments in advanced HVAC&R monitoring.
Cooling in 2021: Evapco to Unveil Its First Air-Cooled Low-Charge Ammonia Chillers
The air-cooled models are expected to cost less than water-cooled units.
Cooling in 2021: More Low-Charge Ammonia Systems Expected
Both packaged and centralized systems are on the rise.
Evapco Expands Line of Low-Charge Ammonia Chillers
The new units, with up to double the capacity of the original model, are designed for 0-35°F chilled-fluid temperatures but can be used for 44°F AC.
Low-Charge Ammonia: Packaged or Central?
Two case studies from Canada show the differences between packaged and central systems.