Refrigeration and Air Conditioning Technology

Key differences between 8th and 7th editions

• Time lapse between current and previous editions: 4 years (2016 vs 2012).
• Originally Refrigeration and Air Conditioning Technology textbook was published in 1987.
• New content and topics in the Eighth Ed:
• WiFi thermostats.
• Fossil-fuel furnace technologies.
• Ultraviolet germicidal irradiation sterilization method.
• Biofuels and blueflame burners.
• Chapter 9:
• Hydrocarbon refrigerants, nontoxic refrigerants that have negligible ozone depletion potentials.
• Hydrofluoroolefin refrigerants, next generation refrigerants which are safe for environment, cost- and energy-effective.
• Chapter 17: Positive temperature coefficient resistor (PTCR) troubleshooting.
• Chapter 21: Digital evaporator defrost and efficiency controllers.
• Chapter 25:
• Oil pumps for refrigerant compressors
• Check valve for oil level control and partition wall.
• Chapter 42: Second-stage electric heat.
• Chapter 50:
• Operating in economizer mode.
• Dry coolers.