Refrigeration

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The Refrigeration School Inc. (RSI) in Phoenix, Arizona, in partnership with Clear Channel Outdoor, recently donated and installed an ice machine at Aimee's Animal Sanctuary in Queen Creek, Arizona, to help protect more than 100 special needs animals from severe heat.

Recently, the Underwriters Laboratory (UL) has approved the second edition of its UL 60335-2-89 standard, which includes higher R-290 charge limits that would expand its potential uses in commercial refrigeration.

In a recent public workshop, members of the California Air Resources Board (CARB) discussed how its ambitious HFC emission-reduction program is shaping up.

Service technicians should always remember that systematic troubleshooting is the only sure way to find the actual cause of any system problem.

Occasionally while servicing refrigeration equipment, technicians may come across a system utilizing a water-cooled condenser instead of an air-cooled condenser.

The refrigerant transition has caused concern among HVAC contractors who wonder whether it is safe to work with mildly flammable refrigerants.

GreenChill Partners in the food retail industry commit to reduce refrigerant emissions and decrease their impact on the environment.

Uwajimaya has adopted Honeywell’s Solstice N40 (R-448A) lower-GWP refrigerant for its flagship Seattle location.

So-called natural refrigerants such as CO2 and propane are becoming more popular, due to changing regulations at the state level – and likely the federal level soon.