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Lessons from Decade-Old NH3/CO2 Supermarket Installations
The system, estimated to save 30% in energy, experienced one leak, but the contractor believes it’s safe.
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Ammonia Training Videos from IIAR Now Available Online
The new online resource includes three series of videos covering ammonia refrigeration basics, safety and oil removal.
Emerson Launches Walk-In Condensing Units Meeting New U.S. Energy Rules
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).
Cutting Ammonia Charge in Industrial Systems
Danish researchers have shown that reducing recirculation rate and evaporator-tube diameter can decrease refrigerant charge in overfeed systems, without sacrificing cooling capacity.
Intelligent Pumping System Cuts Energy by 55% in Chillers
New Grundfos units use temperature sensors to regulate water flow.
Canadian Contractor Questions Rinks’ Cautious Approach to ‘Very Small’ Ammonia Leak
The Alberni Valley Multiplex in Port Alberni, British Columbia, has reopened its two ice rinks following a more than three-week closure.
Ammonia Training Center Plans Hub Where Artisans Can Train, Work and Live
The Skills City Africa project has German backing but seeks more help.
Australia Gets its First Ammonia/CO2 NewTon Systems
Five of the low-charge packaged systems were installed in July at a new cold storage center in western Sydney.
Evaporative Cooling Found to Have Lower Carbon Footprint Than Dry Cooling
This is the conclusion of a two-year study by Eurovent, which shows that refrigeration systems using wet cooling towers have the lowest year-round carbon footprint.
U.S Contractor Group Embraces NatRefs
The Arcticom Group will soon deliver an ammonia/CO2 system it built to Raley’s, and has joined NASRC to support contractor training.