Editor’s Note: This is the sixth and final article in our series on cold rooms.

Johnson Controls International plc has named Jeff Williams as vice president and president, Global Products, Building Technologies & Solutions, effective immediately.

As with any refrigeration system, controlling the flow of refrigerant is vital in making a cold room operate properly. Two of the most common types of refrigerant control valves are thermostatic expansion valves and solenoid valves.

Editor’s Note: This is the fourth part in our series of articles on cold rooms.

ASHRAE launched a webpage intended to encourage the advancement of refrigeration technology and its application.