What is the best strategy to introduce HVAC design procedures to undergraduates with the aim of promoting understanding of the principles, and competence in their application? Learning HVAC design ...

While servicing new reach-in coolers and freezers today, technicians will likely find these systems are using R-290 (propane) as the refrigerant. R-290 is a hydrocarbon (HC) refrigerant and is ...

The amount of liquid subcooling a refrigeration or air conditioning contains not only affects system capacity but also the effectiveness and capacity of expansion type metering devices. In today's ...