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Modern Refrigeration and Air Conditioning is the leader in the refrigeration and air conditioning field! This comprehensive text teaches fundamental principles and service techniques. The text tells and shows how to diagnose and remedy HVAC problems. It provides an excellent blend of theory with job-qualifying skills. This text contains all the most recent information and advances necessary to prepare the technician for today's world. Modern Refrigeration and Air Conditioning provides the foundation on which a solid and thorough knowledge of refrigeration and air conditioning may be based. Students, as well as practicing technicians, will benefit from the topics covered in this book. This edition includes up-to-date information on refrigerant recovery, recycling, and reclaiming. -- Chapters are divided into smaller self-standing modules for ease of use. -- Covers the operation of systems and their specific components. -- Progresses from basic to advanced principles using understandable terminology. -- Current information on the EPA rules, regulations, and guidelines. -- Identification of the various types of new refrigerants such as 134a and 123, and information on equipment needed for refrigerant recovery, recycling, and reclaiming. -- Up-to-date methods of sizing, installing, and maintaining refrigeration and air conditioning systems. -- Proper procedures for using troubleshooting charts. -- Emphasizes procedures that will help the service technician become more efficient. -- Uses both US Conventional and SI Metric units. -- Chapters include Module Title(s), Key Terms, Objectives, Review of Safety (where applicable), and Test Your Knowledge questions.
Hotels rely on efficient HVAC systems to ensure the comfort of their guests. HVAC (Heating, Ventilation, and Air Conditioning) systems are used to control the temperature, humidity, and air quality of a hotel's interior environment. By regulating a hotel's indoor environment, HVAC systems help to create a more comfortable and healthy atmosphere for guests. Hotels typically use a combination of heating and cooling systems to maintain the desired temperature in each room. Heating systems like furnaces, boilers, and heat pumps are used to warm the air during colder months, while cooling systems like air conditioners and evaporative coolers are used to cool the air in warmer months. In addition, ventilation systems are used to bring in fresh outdoor air and filter out airborne pollutants. HVAC systems in hotels must be designed and maintained to meet the specific needs of the hotel. Factors such as the size of the hotel, the number of rooms, and the climate of the local area all need to be taken into account when designing an HVAC system. It is also important to ensure that the HVAC system is energy-efficient, as this can help reduce both energy costs and the hotel's environmental impact. Hotels also rely on HVAC systems to filter out airborne pollutants, such as dust, pollen, and other allergens. Air filters and purifiers help to clean the air of these particles, helping to reduce the risk of guests developing allergies or other respiratory illnesses. Finally, the HVAC system in a hotel plays an important role in controlling humidity levels. Low humidity levels can cause guests to feel uncomfortable or even sick, while high humidity levels can lead to mold and mildew growth. By regulating humidity levels, HVAC systems help to create a more comfortable and healthy environment for guests.
“[A] history of air conditioning, chronicling the numerous gimmicks, failed attempts, con jobs, and eventual successes . . . a surprisingly interesting journey.” —San Francisco Book Review The air conditioner is often hailed as one of the modern world’s greatest inventions—yet nearly as often blamed for global disaster. It has changed everything from architecture to people’s food habits; saved countless lives, and caused countless deaths. First appearing in 1902, when Willis Carrier, an engineer barely out of college, developed the “Apparatus for Treating Air,” everyone assumed it would instantly change the world. But the story of air conditioning and its rise to ubiquity is far from simple. In Cool, Salvatore Basile tracks two fascinating stories: the struggle to perfect an effective cooling device, and the effort to convince people that they actually needed such a thing. With a cast of characters ranging from Leonardo da Vinci to Richard Nixon and Felix the Cat, Cool showcases the myriad reactions to air conditioning as it was developed and introduced to the world. Here is a unique perspective on a common convenience: how we came to rely on it today, and how it might change radically tomorrow.