Jarod Hansen

Adiabatic Coolers

Carlson & Stewart Refrigeration has replaced many evaporative condensers over the years.  Most of the time they are replaced with direct replacements because the existing steel structure is available.  In some instances, the steel structures need to be replaced due to corrosion.  CSR has also observed condensers that have needed to be replaced prematurely because …

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Is an Ammonia Refrigeration Evaporative Condenser a Permit- Required Confined Space (PRCS)?

Source Article: Condenser by IIAR By Bryan Haywood Carlson & Stewart Refrigeration (CSR) has been asked this question many times in the past and we have found that many people have their own interpretations.  In larger systems we have stressed people to follow their PSM guidance. This article will explore the questions so many have …

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Propane… Possible Commercial Refrigerant?

Source Article: https://www.contractingbusiness.com/refrigeration/propane-makes-comeback In a time when refrigerants are being closely evaluated for their environmental impacts, propane (R-290) is emerging as an increasingly viable alternative. With a global warming potential (GWP) of 3 and an ozone depletion potential (ODP) of 0, R-290 poses virtually no threat to the environment. In fact, the Environmental Protection Agency (EPA) …

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