(source article: “IIAR Moves Forward on CO2 Standard”, November 2019 Condenser Magazine) Is CO2 as a refrigerant an option for you? Carlson & Stewart Refrigeration, Inc. can help point you in the right direction. CO2 is certainly gaining in popularity in the United States and more and more experience and guidance are supporting this […]
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Source: http://r744.com/articles/9222/eevs_should_be_standard_equipment_says_u_s_energy_consultant EEVs Should be Standard Equipment, Says U.S. Energy Consultant Electronic expansion valves (EEVs), which are used in commercial display cases to automatically control the flow of liquid refrigerant into a direct expansion evaporator, should be a “standard digital piece of equipment,” said Mike Guldenstern, founder and director of energy efficiency services, llc, an energy
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Staying Cool – Basic Heat Loads by Jayson Noetzelman When it comes to refrigeration, Carlson & Stewart is in the business of helping you stay running and stay cool, but even a system running perfectly might not always be as cold as you’d like. What can be done to improve your situation? A business owner
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The typical ammonia (and other refrigerants) leak detection system consist of one or more sensors communicating to a readout or display. Internal in the sensor is a “cell” that picks up the ammonia in the environment and provides the initial signal to the sensor electronics and ultimately to the readout device. This cell has a
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